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eSTore

Introducing the eSTore dedicated initially to offer the convenience of buying boards and development kits directly from our site. Supported by our logistics and order fulfillment partner, the eSTore makes possible a quick and simple access to our available inventory of development kits and boards.

  • EVAL6520-1421
    14 W / 21 W T5 miniature ballast driven by L6520 and STT13005D bipolar transistors

    The EVAL6520-1421 is a demonstration board able to drive either a 14 W or 21 W linear T5 fluorescent lamp with the L6520 low voltage ballast controller.

    The half bridge consists of NPN high voltage power transistors driven by a suitable pulse transformer.

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    Price:  $42.87

    Availability:  3

    Orderable Qty:  1

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  • EVAL6574B

    EVAL6574B
    L6574 CFL/TL Ballast Driver Preheat and Dimming Evaluation Board

    This design was developed to drive a TL fluorescent lamp of up to 58 W. It is composed of two sections: the PFC using the L6561 controller, and the ballast based on the L6574. The application includes a current feedback that can be used to control the power (and, if necessary, the dimming function) by varying the switching frequency during normal lamp operation. The application also features safety circuitry which activates when an open load or faulty lamp ignition is detected. The PFC pre-regulator allows connection of the application to a wide input voltage range (85 Vac to 265 Vac) providing a Power Factor higher than 0.99 and a THD lower than 10%.

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    Price:  $25.72

    Availability:  1

    Orderable Qty:  1

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  • EVALHVLED805
    HVLED805 based evaluation board: 4.2 W isolated LED driver with primary side current regulation

    The EVALHVLED805 is a demonstration board equipped with the new HVLED805 PWM current mode LED driver and is designed for European mains. It can control, with very good accuracy, from 1 to 3 LEDs having a nominal current of 350 mA. The HVLED805 has integrated high voltage startup and an 800 V power MOSFET. The high MOSFET's breakdown voltage allows very robust and reliable applications and reduces the size of the snubber and the relative power dissipation. Its accurate primary-current control eliminates the need of the optocoupler which impacts the cost, the compactness and the lifetime of the application while still maintaining a very good LED accuracy (below 5 %). Moreover, this converter, specifically designed for quasi-resonant (QR) flyback converters, enables very low turn-on losses and EMI emissions.

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    Price:  $24.50

    Availability:  8

    Orderable Qty:  1

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    EVLHVLED815W15
    HVLED815 based evaluation board: 15 W European range high power factor LED driver with primary side current regulation

    The LED driver board is based on a flyback topology using the STMicroelectronics®HVLED815PF device.

    The HVLED815PF device is a high voltage primary switcher intended for operating directly from the rectified mains with minimum external parts and enabling high power factor (> 0.95) to provide an efficient, compact and cost effective solution for LED driving. It combines a high-performance low voltage PWM controller chip and an 800 V, avalanche rugged Power MOSFET, in the same package. There is no need for the optocoupler thanks to the patented primary sensing regulation (PSR) technique. The device assures protection against LED string fault (open or short).

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    Price:  $85.75

    Availability:  2

    Orderable Qty:  1

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  • STEVAL-ILB007V1
    2 x 58 W wide-range ballast based on the L6585DE combo IC

    The STEVAL-ILB007V1 demonstration board is capable of driving 2 x 58 W linear T8 fluorescent tubes, and with simple modifications can also be adapted for 2 x 36 W linear T8 fluorescent tubes.

    The ballast is controlled by the L6585DE device, which integrates PFC and half-bridge control circuits, the relevant drivers, and the circuitry to manage all lamp operating phases (pre-heating, ignition and run mode). Protection against failures such as lamp disconnection, anti-capacitive mode and PFC over-voltage are guaranteed and achieved using a minimum number of external components.

    An electronic ballast consumes less power and therefore dissipates less heat than an electromagnetic ballast. The energy saved can be estimated to be in the range of 20-25% for a given lamp power.

    Finally, the electronic solution allows better control of the filament current and lamp voltage during pre-heating, resulting in an increase in lamp life.

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    Price:  $111.90

    Availability:  2

    Lead Time:  5

    Orderable Qty:  1

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  • STEVAL-ILB009V1
    2 x 28 W electronic ballast with active PFC based on the STD3N62K3 and STD845DN40 BJT devices

    The STEVAL-ILB009V1 demonstration board is able to drive a 2 x 28 W electronic lamp ballast with active PFC. The ballast is formed by a PFC section and a self-oscillating half bridge converter.

    The circuit has been designed for a nominal input voltage of 230 Vrms ± 15% and 50-60 Hz.

    The key components are the power bipolar transistor (STD845DN40), MOSFET device (STD3N62K3) and ST power switching driver for the PFC section.

    The purpose of the STEVAL-ILB009V1 is to show a simple and cheap lighting application optimized in terms of power factor (PFC), THD harmonic distortion, and electrical efficiency.

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    Price:  $128.62

    Availability:  2

    Orderable Qty:  1

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  • STEVAL-ILB010V1
    2 x 58 W high frequency ballast for T8 fluorescent tubes based on L6562A, L6569, and STL13NM60N in PowerFlat package

    The STEVAL-ILB010V1 demonstration board is an electronic ballast capable of driving two 58 W linear T8 fluorescent tubes. It consists of two sections: a power factor correction (PFC) pre-regulator employing the L6562A, and a lamp ballast stage based on the L6569. The purpose of the demonstration is to provide a platform for testing the electrical features of the new PowerFlat™ package, and to allow comparison of its thermal behavior versus the “DPAK” package.

    Fluorescent lamps are more and more frequently driven by electronic ballasts rather than electromagnetic ballasts, mainly because fluorescent lamps can produce around 20% more light for the same input power when driven above 20 kHz, instead of 50/60 Hz. Operation at high frequency also eliminates light flickering and audible noise.

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    Price:  $122.50

    Availability:  1

    Lead Time:  8

    Orderable Qty:  1

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  • STEVAL-ILD003V1
    Analog wall dimmer for CFL/LED lamps based on the TS820 (EU version 220 V)

    The STEVAL-ILD003V1 demonstration board is designed to propose a low-cost analog dimmer topology using a sensitive SCR TS820-600FP. The dimmer can drive typical low-consumption lamps, particularly CFL and LED dimmable lamps.

    Through-hole technology is used for the most important components such as LC filter, gate resistor, turn-on delay capacitor, etc., in order to allow board modification, if needed.

    The STEVAL-ILD003V1 eliminates flickering thanks to its continuous current applied through the sensitive SCR gate. This dimmer could easily replace a standard low-cost analog Triac light dimmer using a Diac-controlled circuit.

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    Price:  $85.75

    Availability:  5

    Lead Time:  2

    Orderable Qty:  1

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  • STEVAL-ILD003V2
    Analog wall dimmer for CFL/LED lamps based on the TS820 (USA version 110 V)

    The STEVAL-ILD003V2 demonstration board is designed to propose a low-cost analog dimmer topology using a sensitive SCR TS820-600FP. The dimmer can drive typical low-consumption lamps, particularly CFL and LED dimmable lamps.

    Through-hole technology is used for the most important components such as LC filter, gate resistor, turn-on delay capacitor, etc., in order to allow board modification, if needed.

    The STEVAL-ILD003V2 eliminates flickering thanks to its continuous current applied through the sensitive SCR gate. This dimmer could easily replace a standard low-cost analog Triac light dimmer using a Diac-controlled circuit.

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    Price:  $86.97

    Availability:  2

    Lead Time:  5

    Orderable Qty:  1

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  • STEVAL-ILD004V1
    Digital wall dimmer for halogen and low-consumption lamps

    The STEVAL-ILD004V1 demonstration board is designed to propose an innovative and low cost power topology for a light wall dimmer using two sensitive TS820-600FP SCRs and a single STGF10NC60KD IGBT to dim the following lamp types: low-voltage halogen lamps, SELV halogen lamps through magnetic or electronic transformers, and new CFL and LED dimmable lamps.

    Control of the board is achieved with the STM8S103F2 microcontroller.

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    Price:  $67.37

    Availability:  6

    Lead Time:  26

    Orderable Qty:  1

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  • STEVAL-ILH004V1
    70 W electronic ballast for metal halide lamp (HID) based on the L6382D5 and ST7FLITE49K2

    The STEVAL-ILH004V1 demonstration board implements a digital ballast for a 70 W HID lamp (sodium or metal halide) used in general lighting applications. The ballast is composed of a boost converter (power factor controller PFC) working in transition mode and an inverter composed of a half-bridge that drive the lamp in low-frequency square wave.

    Both the half-bridge and the PFC stage are managed by the ST7LITE49K2 that controls the L6382D5, activating all the power switches.

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    Price:  $124.95

    Availability:  1

    Orderable Qty:  1

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  • STEVAL-ILL003V2
    HB LED without Diagnostic (32 Led) based on STP16CP05

    This evaluation board represents a cost effective solution to drive an array of high brightness LEDs, using the LED driver STP16CP05. This driver provides the same constant current for each of its output channels, thus there is no difference in brightness and color between the LEDs.

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    Price:  $45.32

    Availability:  3

    Lead Time:  4

    Orderable Qty:  1

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  • STEVAL-ILL009V5
    New RGB color demonstration board based on the STP04CM05 and ST1S10

    The STEVAL-ILL009V5 demonstration board was designed in order to allow evaluation and testing of the new DC-DC converter ST1S10 and new LED drivers STP04CM05 and STP08CP05. This board replaces the previous version STEVALILL009V1.

    Thanks to the ST1S10 DC-DC converter, the size of the inductor and board dimensions are reduced. The dimensions of the STEVAL-ILL009V5 are 120 mm x 47 mm, instead of 151 mm x 47 mm for the STEVAL-ILL009V1.

    The input voltage for this board ranges from 7 V to 18 V. The new LED drivers allow faster communications and higher output voltage. Other features such as software, brightness and color regulation, microcontroller and temperature protection, are identical on both the STEVALILL009V1 and the new STEVAL-ILL009V5.

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    Price:  $67.91

    Availability:  2

    Orderable Qty:  1

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  • STEVAL-ILL013V1
    80 W offline PFC and LED driver demonstration board with dimming based on the L6562A

    The use of high power LEDs in lighting applications is becoming increasingly popular due to rapid improvements in lighting efficiency, longer life, higher reliability and overall cost effectiveness. Dimming funtions are more easily implemented in LEDs, and they are more robust and offer wider design flexibility compared to other light sources.

    The STEVAL-ILL013V1 demonstration board is an 80 W offline dimmable LED driver with high power factor (PF) intended for 350 mA, 700 mA and 1 A LEDs.

    The converter is designed as a constant current source to achieve the best lighting performance from the LEDs, and can be used for lighting applications from low power, low voltage to high power, high voltage. This allows designers to cover a wide range of different LED systems using a single topology.

    Additionally, in lighting applications where the input active power is higher than 25 W and a high power factor is required, the high PF converter can be connected as the first stage, before the modified BUCK converter.

    This demonstration board design is complaint with standard EN61000-3-2 (limits for harmonic current emissions).

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    Price:  $105.47

    Availability:  3

    Lead Time:  13

    Orderable Qty:  1

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  • STEVAL-ILL015V1
    High brightness RGB LED array with LED error detection based on the STP24DP05 and STM32

    The STEVAL-ILL015V1 demonstration board provides a platform for the testing and evaluation of STMicroelectronics’ Power Logic LED driver STP24DP05.

    The STP24DP05 device is a 24-bit constant current LED sink driver with output error detection, suitable for applications such as largearea displays and full-color board panels where improvement in RGB LED resolution and reduction of system cost are important.

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    Price:  $83.60

    Availability:  1

    Lead Time:  4

    Orderable Qty:  1

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  • STEVAL-ILL016V2
    New 15 W offline TRIAC dimmable LED driver based on L6562AD and TSM1052 (USA Market - 115 V)

    The STEVAL-ILL016V2 15 watt regulated Triac-dimmable LED driver is an upgraded version of the STEVAL-ILL016V1. Its purpose is to make development for different LED combinations easier to implement, and to incorporate improvements based on lessons learned from the first version.

    Improvements from the previous version include easy configuration of the LED voltage and current, flexible input filter layout, and sufficient space for easy modification of the basic circuitry.

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    Price:  $108.04

    Availability:  3

    Lead Time:  4

    Orderable Qty:  1

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  • STEVAL-ILL017V1
    3.5 W not-isolated offline constant current LED driver based on VIPER17HN

    The STEVAL-ILL017V1 demonstration board is a 2 W non-isolated offline constant current LED driver based on the VIPer17. The board operates with an input ranging from 176 V to 264 VAC and provides 500 mA of constant current from a 7 VDC source, suitable for illuminating two LEDs in series.

    The VIPer17 device is an offline converter with an 800 V rugged power section, a PWM control, overcurrent protection, overvoltage and overload protection, hysteretic thermal protection, soft-start and safe auto-restart after the removal of a fault condition. The brown-out protection function is embedded into the high voltage start-up.

    Burst mode operation and the very low consumption of the device combine to meet standby energy saving regulations. Advanced frequency jittering reduces EMI filter cost.

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    Price:  $63.02

    Availability:  3

    Lead Time:  4

    Orderable Qty:  1

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  • STEVAL-ILL019V1
    35 W offline LED driver for 4 channels HB RGGB LED based on L6562A

    The STEVAL-ILL019V1 demonstration board implements an isolated high-PF flyback converter based on the L6562A transition-mode PFC controller, capable of supplying 4 constant-current outputs for 4 different RGGB LED modules.

    Each module can contain 5 to 13 LEDs, with each current channel set to 350 mA.

    It is possible to choose between automatic color change mode or manual color adjustment mode (in the latter case some external components are required).

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    Price:  $105.35

    Availability:  2

    Lead Time:  3

    Orderable Qty:  1

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  • STEVAL-ILL020V1
    LCD panels backlight demonstration board based on the LED7706

    This demonstration board is based on the LED7706 and implements a high efficiency monolithic boost converter and six controlled current generators (rows) specifically designed to supply LEDs arrays used in the backlight of LCD panels.

    The device can manage an output voltage up to 36 V (i.e. ten white-LEDs per row).

    The generators can be externally programmed to sink up to 30 mA and can be dimmed via a PWM signal (1% dimming duty cycle at 20 kHz can be managed).

    The device allows to detect and manage the open and shorted LED faults and to let unused rows floating.

    Basic protections (output overvoltage, internal MOSFET overcurrent and thermal shutdown) are provided.

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    Price:  $57.87

    Availability:  3

    Orderable Qty:  1

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  • STEVAL-ILL021V1
    LCD panels backlight demonstration board based on the LED7707

    This demonstration boards is based on the LED7707 and implements a high efficiency monolithic boost converter and six controlled current generators (rows) specifically designed to supply LEDs arrays used in the backlight of LCD panels.

    The device can manage an output voltage up to 36 V (i.e. ten white-LEDs per row).

    The generators can be externally programmed to sink up to 85 mA and can be dimmed via a PWM signal (1% of minimum dimming duty cycle at 1kHz can be managed).

    The device allows to detect and manage the open and shorted LED faults and to let unused rows floating.

    Basic protections (output overvoltage, internal MOSFET overcurrent and thermal shutdown) are provided.

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    Price:  $57.87

    Availability:  2

    Lead Time:  14

    Orderable Qty:  1

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  • STEVAL-ILL023V1
    High-efficiency switching LED driver demonstration board for high-current LEDs based on L6726A

    Rapid advances in LED technology has led to increases in their output current capabilities in recent years. 0.350 A LEDs, for example, were soon followed by 0.7 A LEDs, and then 1 A devices appeared shortly thereafter. Currently, LEDs with currents as high as several amps are present on the market. However, these high currents increase the requirements of the driving circuitry of the LEDs, particularly in terms of efficiency.

    The STEVAL-ILL023V1 demonstration board is based on the L6726A single phase PWM controller, with two external MOSFETS for synchronous rectification. Designed for 2.8 A LEDs (1-3 in a series string), the main benefit of the solution is its exceptional efficiency. Ease of dimming and scalability to even higher currents are additional advantages of the design.

    The solution is also much safer with regard to border conditions, since the current limit is based solely on the selection of the MOSFETS.

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    Price:  $51.45

    Availability:  1

    Orderable Qty:  1

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  • STEVAL-ILL025V1
    LED matrix display panel based on STP16DP05

    The STEVAL-ILL025V1 LED matrix display panel demonstrates the capabilities of the STP16DP05 LED driver to drive an LED matrix panel. This board is the display unit of a complete LED matrix display demonstration system that also includes the STEVAL-ILL024V1 LED matrix control unit.

    The control unit is an STM32F103VB microcontroller-based system used for configuring the settings of the STP16DP05 display driver.

    The display can be configured with a PS2 keyboard for any of nine available display modes and nine different speeds, and the display settings configured through Windows® HyperTerminal™ using the serial interface included on the control unit.

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    Price:  $147.92

    Availability:  1

    Orderable Qty:  1

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  • STEVAL-ILL027V2
    18 W single-stage offline LED driver based on the L6562A (European version)

    The STEVAL-ILL027V2 implements a non-isolated, soft-switched, single-stage, high power factor offline LED driver.

    The buck-boost converter is chosen for this application due to its simplicity and low cost.

    The converter operates with constant peak current for constant power control and in transition mode (boundary mode between CCM and DCM), to achieve soft switching, using the L6562A controller.

    This single-stage buck-boost converter provides a cost-effective solution for offline non-isolated LED applications and it also has open load and short-circuit protection.

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    Price:  $60.02

    Availability:  5

    Orderable Qty:  1

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  • STEVAL-ILL035V1
    Multi-channel LED driver with integrated boost controller for medium, large LCD panel backlight based on LED7708 and STM32F103C6T6A

    The purpose of the STEVAL-ILL035V1 demonstration board is to provide an application example of a compact LED backlight driver using the LED7708 device.

    The board is equipped with a 16-channel LED driver with integrated boost controller (the LED7708), power section components, and an STM32 microcontroller to easily control all the features via a USB connection.

    The output voltage required by the LED strings connected to the output channels is derived from a single input rail and continuously adjusted to minimize the voltage drop (and power dissipation) across them, despite an independent PWM duty cycle for each one. The brightness of each LED string is digitally controlled with 12- or 16-bit dimming resolution.

    Embedded, programmable fault detection and management circuitry can be set to automatically disconnect faulty channels without the need for intervention by the host controller.

    The board has been designed as a demonstration of a solution for medium/large LCD panel backlight drivers, but is suitable for any application involving several LEDs assembled in strings (e.g. advertisement panels, signs, gaming, etc.).

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    Price:  $121.27

    Availability:  2

    Lead Time:  5

    Orderable Qty:  1

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  • STEVAL-ILL037V1
    3.2 W LED power supply based on HVLED805

    The STEVAL-ILL037V1 demonstration board implements a 3.2 W (16 V / 0.2 A) wide range LED driver to support from 3 to 5 LEDs for LED lamps (e.g. E27 and GU10).

    The HVLED805 is an offline all-primary sensing switching regulator, specific to offline LED drivers, based on quasi-resonant ZVS (zero voltage switching at switch turn-on) flyback topology, due to its simplicity and low cost.

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    Price:  $44.10

    Availability:  2

    Lead Time:  2

    Orderable Qty:  1

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  • STEVAL-ILL039V1
    Step-up current controller for 2 LEDs based on the STLDC08 driver

    The purpose of the STEVAL-ILL039V1 demonstration board is to provide an example for applications of an LED driver using the step-up controller STLDC08.

    The STLDC08 is designed for handheld equipment supplied by AA or AAA batteries and provides a precise constant current starting from a variable input voltage source.

    The LED current is set by an external sense resistor inserted between the feedback pin (FB) and GND.

    A regulation loop holds the voltage drop at the sense resistor at a constant level (100 mV typ.).

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    Price:  $45.32

    Availability:  4

    Orderable Qty:  1

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  • STEVAL-ILL039V2
    Step-up current controller for 4 LEDs based on the STLDC08 driver

    The purpose of the STEVAL-ILL039V2 demonstration board is to provide an example for applications of an LED driver using the step-up controller STLDC08.

    The STLDC08 is designed for handheld equipment supplied by AA or AAA batteries and provides a precise constant current starting from a variable input voltage source.

    The LED current is set by an external sense resistor inserted between the feedback pin (FB) and GND.

    A regulation loop holds the voltage drop at the sense resistor at a constant level (typ. 100 mV).

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    Price:  $45.32

    Availability:  5

    Orderable Qty:  1

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  • STEVAL-ILL041V1
    A 93% efficient LED driver solution for the US market

    The STEVAL-ILL041V1 demonstration board implements an LED driver that meets the present requirements for the US market.

    The STEVAL-ILL041V1 utilizes ST’s L6564 power factor controller in an unconventional circuit to regulate the input power to a step-down switching regulator. The circuit also compensates for variations in LED voltage drop, to maintain the average output current in a tight band over a wide range of line voltage and LED characteristics.

    While the input current waveform is not perfectly sinusoidal, power factor and harmonic content are well within the requirements for the US commercial market.

    The form factor was designed to fit into the PAR38 envelope and the driver and LEDs can be used to replace 65 W incandescent flood lamps.

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    Price:  $69.82

    Availability:  2

    Orderable Qty:  1

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  • STEVAL-ILL043V1
    High end, 75 W high power factor flyback LED driver based on the L6562A with two dimmable strings

    The STEVAL-ILL043V1 demonstration board is a high-PF flyback configuration in order to drive a new design of the 75 W LED array based on the L6562A controller, with a much reduced BOM cost.

    This configuration uses an isolated feedback with an optocoupler and a secondary side reference/error amplifier. The inverse buck converter based on the L6562A is used for constant voltage and constant current control in double dimmable channels.

    The L6562A is a PFC controller operating in Transition mode. The highly linear multiplier includes a special circuit, able to reduce AC input current distortion, that allows wide-range-mains operation with an extremely low THD, even over a large load range.

    The inverse buck converter shows good performance in terms of power switch control and conditioning circuitry signal for the current sensing. In fact, this topology of converter allows easy driving of the switch referred to ground by using an L6562A driver.

    An integrated auxiliary power supply provides an energy saving action and a remote control monitoring function for the system.

    This ballast designed by using the L6562A and the buck inverse converter offers more advantages in terms of output current and voltage stability.

    The key benefit is the very high efficiency that, at full load, is almost 90%.

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    Price:  $175.17

    Availability:  4

    Orderable Qty:  1

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  • STEVAL-ILL044V1
    9 W Triac dimmable, high power factor, isolated LED driver based on the HVLED815PF (for US market)

    The STEVAL-ILL044V1 demonstration board showcases ST’s new LED driver chip, HVLED815PF. It solves the problem of low-cost drive circuitry for LED replacements for 40 W incandescent or equivalent compact-fluorescent lamps.

    The HVLED815PF is a new integrated power controller using primary-side control to achieve LED current regulation within +/-5%. (It also has primary-side voltage regulation, used here for open load protection).

    The device incorporates an 800 V avalanche-rated FET and fits in a standard SO-16 package. An internal startup circuit eliminates the need for external rapid-start circuitry.

    The PFC-flyback power converter operates in transition mode for the highest efficiency and best use of components. With the addition of a few extra components the HVLED815PF is made to draw near-sinusoidal input current from the AC line. The circuit regulates LED current over a wide range of line voltage and LED string voltage, and is dimmable with standard Triac-based dimmers.

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    Price:  $55.12

    Availability:  2

    Lead Time:  15

    Orderable Qty:  1

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  • STEVAL-ILL045V1
    9 W, A19 format, triac dimmable, High Power Factor, non-isolated LED driver based on HVLED815PF for US market

    The STEVAL-ILL045V1 demonstration board showcases ST’s new LED driver chip, HVLED815PF. It solves the problem of low-cost drive circuitry for LED replacements for 40 W incandescent or equivalent compact-fluorescent lamps.

    The HVLED815PF is a new integrated power controller using primary-side control to achieve LED current regulation within +/-5%. (It also has primary-side voltage regulation, used here for open load protection.)

    The device incorporates an 800 V avalanche-rated FET and fits a standard SO-16 package. An internal startup circuit eliminates the need for external rapid-start circuitry.

    The PFC-flyback power converter operates in transition mode for the highest efficiency and best use of components.

    With the addition of a few extra components the HVLED815PF is made to draw near-sinusoidal input current from the AC line.

    The circuit regulates LED current over a wide range of line voltage and LED string voltage, and it is dimmable with standard Triac-based dimmers.

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    Price:  $50.22

    Availability:  1

    Lead Time:  8

    Orderable Qty:  1

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  • STEVAL-ILL046V1
    HB LED driver with inhibit based on the ST1CC40 in a QFN package

    The STEVAL-ILL046V1 demonstration board is based on the ST1CC40, which is an 850 kHz fixed switching frequency monolithic step-down DC-DC converter designed to operate as a precise constant current source with an adjustable current capability of up to 3 A DC.

    In closed loop operation, the ST1CC40 feedback pin voltage is 100 mV thus the sensing resistor calculation is expressed as Rs = 100mV/ILED

    The STEVAL-ILL046V1 is provided with 660 mA by connecting a 150 mΩ sensing resistor to the feedback pin.

    The overall application size is minimized, thanks to the high switching frequency and ceramic output capacitor compatibility.

    The STEVAL-ILL046V1 demonstration board is fully protected against overheating, overcurrent and output short-circuit.

    The inhibit mode minimizes the current consumption in standby (6 μA) to maximize battery life in portable devices.

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    Price:  $35.52

    Availability:  3

    Lead Time:  4

    Orderable Qty:  1

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  • STEVAL-ILL046V2
    HB LED driver with inhibit based on the ST1CC40 in an SO-8 BW package

    The STEVAL-ILL046V2 demonstration board is based on the ST1CC40, which is an 850 kHz fixed switching frequency monolithic step-down DC-DC converter designed to operate as a precise constant current source with an adjustable current capability of up to 3 A DC.

    In closed loop operation, the ST1CC40 feedback pin voltage is 100 mV, thus the sensing resistor calculation is expressed as Rs = 100mV/ILED

    The STEVAL-ILL046V2 is provided with 660 mA by connecting a 150 mΩ sensing resistor to the feedback pin.

    The overall application size is minimized, thanks to the high switching frequency and ceramic output capacitor compatibility.

    The STEVAL-ILL046V2 demonstration board is fully protected against overheating, overcurrent and output short-circuit.

    The inhibit mode minimizes the current consumption in standby (6 μA) to maximize battery life in portable devices.

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    Price:  $35.52

    Availability:  10

    Lead Time:  3

    Orderable Qty:  1

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  • STEVAL-ILL051V1
    3 A HB LED driver with dimming function based on the LED2000 in an SO-8 Batwing package

    The STEVAL-ILL051V1 demonstration board provides a platform for evaluating the LED2000, an 850 kHz fixed switching frequency monolithic step-down DC-DC converter designed to operate as precise constant current source with an adjustable current capability up to 3 A DC.

    The embedded PWM dimming circuitry features LED brightness control. The regulated output current is set by connecting a sensing resistor to the feedback pin.

    Application size is minimized thanks to the high switching frequency and ceramic output capacitor compatibility.

    The device is fully protected against overheating, overcurrent and output short-circuit.

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    Price:  $31.85

    Availability:  12

    Lead Time:  8

    Orderable Qty:  1

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  • STEVAL-ILL051V2
    3 A HB LED driver with dimming function based on the LED2000 in a QFN package

    The purpose of the STEVAL-ILL051V2 demonstration board is to aid in the evaluation of the LED2000, an 850 kHz fixed switching frequency monolithic step-down DC-DC converter. The LED2000 is designed to operate as a precise constant current source with an adjustable current capability up to 3 A DC.

    The embedded PWM dimming circuitry features LED brightness control. The regulated output current is set by connecting a sensing resistor to the feedback pin.

    The size of the overall application is minimized thanks to the high switching frequency and ceramic output capacitor compatibility.

    The device is fully protected against overheating, overcurrent and output short-circuit.

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    Price:  $30.62

    Availability:  2

    Lead Time:  8

    Orderable Qty:  1

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  • STEVAL-ILL052V1
    48 V - 130 W high efficiency converter with PFC for LED street lighting applications based on L6562 and L6599 - European version

    The STEVAL-ILL052V1 demonstration board implements a 130 W LED power supply for street lighting.

    The circuit is composed of two stages: a front-end PFC using the L6562AT and an LLC resonant converter based on the L6599AT.

    What distinguishes this design is its very high efficiency, extended European input mains range (177-277 VAC) operation, and long-term reliability.

    Because reliability MTBF (mean time between failures) in power supplies is typically affected by the high failure rate of electrolytic capacitors, unless using very high-end, expensive types, the STEVAL-ILL052V1 demonstration board offers an innovative design approach using film capacitors from EPCOS in place of electrolytic capacitors.

    Thanks to the high efficiency achieved, no heatsinks are required.

    The STEVAL-ILL052V1 demonstration board also provides protection against overload or short-circuit, open-loop by each stage, or input overvoltage, with auto-restart.

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    Price:  $177.62

    Availability:  3

    Lead Time:  4

    Orderable Qty:  1

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  • STEVAL-ILL053V1
    48 V - 130 W high efficiency converter with PFC for LED street lighting applications based on L6562 and L6599

    The STEVAL-ILL053V1 demonstration board implements a 130 W LED power supply for street lighting.

    The circuit is composed of two stages: a front-end PFC using the L6562AT and an LLC resonant converter based on the L6599AT.

    The strengths of this design are its very high efficiency; wide input mains range (85-305 VAC) operation and long-term reliability.

    Because reliability MTBF (mean time between failures) in power supplies is typically affected by the high failure rate of electrolytic capacitors, unless using very high-end, expensive types, the STEVAL-ILL053V1 demonstration board offers an innovative design approach using film capacitors from EPCOS in place of electrolytic capacitors.

    Thanks to the high efficiency achieved, just a small heatsink for the PFC stage is needed, while the other power components employ SMT (surface mount technology), like most of the passive components, thereby decreasing production labor cost.

    The STEVAL-ILL053V1 demonstration board also provides protection against overload or short-circuit, open-loop by each stage, or input overvoltage, with auto-restart.

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    Price:  $184.97

    Availability:  4

    Lead Time:  8

    Orderable Qty:  1

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  • STEVAL-ILL054V1
    4 A HB LED driver with dimming function based onthe LED2001 in a QFN package

    The purpose of the STEVAL-ILL054V1 demonstration board is aid in the evaluation of the LED2001, an 850 kHz fixed switching frequency monolithic step-down DC-DC converter. The LED2001 is designed to operate as a precise constant current source with an adjustable current capability up to 4 A DC.

    The embedded PWM dimming circuitry features LED brightness control. The regulated output current is set by connecting a sensing resistor to the feedback pin.

    The size of the overall application is minimized thanks to the high switching frequency and ceramic output capacitor compatibility.

    The device is fully protected against overheating, overcurrent and output short-circuit.

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    Price:  $30.62

    Availability:  1

    Lead Time:  3

    Orderable Qty:  1

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  • STEVAL-ILL054V2
    4 A HB LED driver with dimming function based on the LED2001 in an HSOP8 package

    The purpose of the STEVAL-ILL054V2 demonstration board is to aid in the evaluation of the LED2001, an 850 kHz fixed switching frequency monolithic step-down DC-DC converter. The LED2001 is designed to operate as a precise constant current source with an adjustable current capability up to 4 A DC.

    The embedded PWM dimming circuitry features LED brightness control. The regulated output current is set by connecting a sensing resistor to the feedback pin.

    The size of the overall application is minimized thanks to the high switching frequency and ceramic output capacitor compatibility.

    The device is fully protected against overheating, overcurrent and output short-circuit.

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    Price:  $30.62

    Availability:  3

    Lead Time:  3

    Orderable Qty:  1

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  • STEVAL-ILL056V1
    3 A buck LED driver board based on the LED5000

    The STEVAL-ILL056V1 is a product evaluation board based on the LED5000, an 850 kHz fixed switching frequency monolithic step-down DC-DC converter designed to operate as a precise constant current source with an adjustable current capability up to 3 A DC. The embedded PWM dimming circuitry features LED brightness control. The regulated output current level is set by connecting a sensing resistor to the feedback pin. The 200 mV typical RSENSE voltage drop enhances performance in terms of efficiency. The size of the overall application is minimized thanks to the high switching frequency and its compatibility with ceramic output capacitors. The device is fully protected against overheating, overcurrent and output short-circuit.

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    Price:  $34.30

    Availability:  1

    Lead Time:  4

    Orderable Qty:  1

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  • STEVAL-ILL061V1
    High brightness RGB LED array driver with local dimming and diagnostics based on LED1642GW and STM32

    The STEVAL-ILL061V1 is a high brightness RGB LED array driver system evaluation board with local dimming and diagnostics based on LED1642GW independent PWM LED driver controlled through an STM32 microcontroller SPI interface.

    An ST L7981 DC-DC converter provides the voltages/power for overall functioning of the board.

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    Price:  $66.65

    Availability:  4

    Lead Time:  2

    Orderable Qty:  1

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  • STEVAL-ILM001V1
    Plug-in hardware module for the STM8S-DISCOVERY interface for DALI communication

    The STEVAL-ILM001V1 is a plug-in module for the STM8S-DISCOVERY kit and SW DALI library, to create a fully working DALI slave application. The STM8S-DISCOVERY + STEVAL-ILM001V1 work as a DALI slave device and can be connected to and controlled by any DALI network.

    The LD1 on the STM8S-DISCOVERY kit is used as a light source. Its brightness, fade-in/out times, etc., as defined by the DALI standard, can be controlled through DALI to simulate a normal lamp behavior.

    The DALI (Digital Addressable Lighting Interface) standard is a communication protocol widely used in intelligent lighting applications. Its use is not limited to fluorescent tube lamp dimmable ballasts, for which it was initially designed, but also for future LED applications.

    The user is expected to be familiar with the DALI standard and its details.

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    Price:  $57.57

    Availability:  1

    Lead Time:  20

    Orderable Qty:  1

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  • STEVAL-TLL001V1
    White LED Controller based on STLD40D

    This evaluation board is based on the STLD40D that is a boost converter that operates from 3.0 V to 5.5 V and can provide an output voltage as 37 V and can drive up to 10 white LEDs in series. The converter is a PFM (pulse frequency modulation) inductor switches and can work in discontinuous (DCM) mode operation. A minimum OFF time of the embedded boost switch TSW is fixed internally and allows limiting the switching frequency. The output current capability is 20 mA with an output voltage of 37 V. The regulation is done by sensing the led current through the resistor RLED. The device can be turned ON/OFF through the logic enable signal pin EN. Applying a low frequency PWM signal the LEDs can be dimmed. The maximum peak inductor current can be programmed.

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    Price:  $39.20

    Availability:  2

    Orderable Qty:  1

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  • STEVAL-TLL006V2
    New high-power LED driver demo board for single flash with I²C interface based on STCF06 (with motherboard based on uPSD)

    The STEVAL-TLL006V2 demonstration board implements a flash LED driver using the STCF06 device, which is a buck-boost current mode converter with an I2C interface.

    As technology for external components has greatly improved, in this new version “V2” it was possible to shrink the original application and maintain the same level of performance or similar.

    The flash LED driver STCF06 has a high operational frequency (1.8 MHz) which allows the use of small external components.

    The STEVAL-TLL006V2 is designed for driving a single LED with a forward voltage range from 2.7 to 5 V.

    For easy connection to the PC, a motherboard is supplied based on μPSD which is used as a bridge.

    The STCF06 motherboard uses a USB human interface device class to communicate with the PC. It is not necessary to install any driver, if the operating system is able to enumerate USB human interface devices.

    Connect the motherboard to the PC through the USB cable (AB type). Wait until the computer enumerates the control board and displays the message that new hardware has been found and is ready to use. It is then possible to run the data packet creator application by pressing the “Connect board” button.

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    Price:  $96.77

    Availability:  7

    Lead Time:  2

    Orderable Qty:  1

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  • STEVAL-TLL007V1
    High-power LED driver demonstration board for dual flash with I2C interface based on the STCF05

    This demonstration board is dedicated to the STCF05 flash LED driver IC, which is a boost current mode converter with an I2C interface and internal current source. The STCF05 is designed to drive two LEDs in series with a total forward voltage from 5.3 V to 10.2 V.

    For easy connection to a PC, the STEVALTLL007V1 uses a μPSD-based motherboard used as a bridge.

    The STCF05 motherboard uses a USB human interface device to communicate with the PC. It is not necessary to install a driver, if the operating system in use is capable of enumerating USB human interface devices.

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    Price:  $154.35

    Availability:  2

    Orderable Qty:  1

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  • STEVAL-TLL008V1
    Camera flash with SuperCap based on the STCF04

    The STEVAL-TLL008V1 demonstration board is a flash LED driver using the STCF04 device, which is a buck-boost converter with an I²C interface dedicated to charging a SuperCap.

    All LEDs with a forward voltage range from 2.5 V to 5 V are compatible with the STCF04. The forward voltage spread of any selected LED must, however, be within this range (2.5 V to 5 V). It is possible to set the level of the LED current in Flash mode and Torch mode by setting the dimming registers. The maximum level of the LED current in Flash mode can be set by changing the external flash resistor.

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    Price:  $106.57

    Availability:  1

    Orderable Qty:  1

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  • STEVAL-TLL009V1
    Camera flash based on the STCF07

    The STEVAL-TLL009V1 demonstration board demonstrates the performance of the STCF07, a dedicated and size-optimized solution for driving a power LED.

    This device is a buck-boost converter which guarantees proper LED current control over all possible battery voltage and LED forward voltage conditions.

    The output current control ensures good current regulation over the forward voltage spread characteristics of high-brightness LEDs.

    The device also includes various functions to protect the chip and the power LEDs, such as an optional external NTC that is supported to protect the LEDs against overheating.

    It is possible to separately program the current intensity in HIGH and LOW mode using the SEL pin.

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    Price:  $60.02

    Availability:  1

    Orderable Qty:  1

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  • STEVAL-TLL011V1
    Driver for up to 40 white LEDs for mid-sized LCD display backlight based on the STLD41

    The STEVAL-TLL011V1 demonstration board demonstrates the performance of the STLD41, a boost converter that operates from 3.0 V to 21 V and which can provide an output voltage as high as 38 V.

    It can drive up to 40 white LEDs connected in 4 strings of 10 LEDs in series. The total output current capability is 120 mA at an output voltage of 38 V.

    Regulation is performed by the internal error amplifier which works with the feedback voltage from the sensing resistor.

    The device can be turned ON/OFF by way of the logic signal connected to the EN pin.

    The LEDs can be dimmed by applying a PWM signal to the PWM input.

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    Price:  $116.37

    Availability:  1

    Orderable Qty:  1

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  • STEVAL-TLL013V1
    5-channel (2 LEDs in series per channel) step-up white LED driver demonstration board based on the STLED25

    The STEVAL-TLL013V1 demonstration board was designed to demonstrate the performance of the STLED25, a fixed frequency, high-efficiency, boost DC-DC converter with five parallel high-side current sources.

    The STLED25 is able to provide 125 mA of total current with a maximum voltage of 7.5 V on each channel.

    Each current source supports single or dual LED connections. The output voltage of the step-up converter is automatically set at 100 mV above the highest voltage required on any driver to guarantee the proper operation of the linear current sources. The device implements a self-test feature to detect any failure of the LEDs and to disable the related channel.

    The failure status is reset as soon the IC is disabled. This mode of failure detection allows the device to continue operating driver channels that are operating normally, while avoiding excessive power consumption or associated thermal issues.

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    Price:  $64.92

    Availability:  2

    Orderable Qty:  1

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