LED Traffic Signals

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Whether for traffic lights or message panels, the use of LED traffic signals is increasingly widespread in both permanent and portable, battery-operated systems with photo-voltaic panels. In addition to the basic display function – with ambient light sensors to adjust for brightness – traffic signals can be connected to a control center for re-programming and monitoring purposes and might have GPS tracking to enable effective monitoring and maintenance.

We offer a complete range of LED driving and AC-DC and DC-DC conversion solutions together with environmental MEMS sensors and 32-bit STM32 microcontrollers as well as wireless and wired connectivity solutions to help develop advanced traffic signal solutions.

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Application Notes (5 of 21)

Flyers (3)

	Resource title	Latest update
PDF	HVLED: Lighting the future 12.2018	04 Jan 2019	04 Jan 2019 HVLED: Lighting the future 12.2018
PDF	LED770x LED drivers 1.0	25 Feb 2020	25 Feb 2020 LED770x LED drivers 1.0
PDF	STTS75 2.2	26 Feb 2020	26 Feb 2020 STTS75 2.2

Selection Guides (1)

	Resource title		Latest update
PDF	Linear and Switching Voltage Regulators Selection Guide 3.0		04 Jan 2021	04 Jan 2021 Linear and Switching Voltage Regulators Selection Guide 3.0

Brochures (1)

	Resource title		Latest update
PDF	Products and solutions for Smart industry 3.0		26 Nov 2020	26 Nov 2020 Products and solutions for Smart industry 3.0

All tools & software

MCU & MPU Embedded Software

Part number	Status	Description	Type	Supplier
STSW-ST7055	Active	Fan speed controller based on STDS75 or STLM75 digital temperature sensor and ST72651AR6 MCU	Legacy MCUs Embedded Software	ST	STSW-ST7055 Description: Fan speed controller based on STDS75 or STLM75 digital temperature sensor and ST72651AR6 MCU

	Resource title	Latest update
PDF	AN5034 12 V - 210 W converter based on STCMB1, combo TM PFC, HB LLC and SRK2001, adaptive SR controller 2.0	24 Mar 2020	24 Mar 2020 AN5034 12 V - 210 W converter based on STCMB1, combo TM PFC, HB LLC and SRK2001, adaptive SR controller 2.0
PDF	AN5106 150 V – 150 W LED driver using the STCMB1 transition mode PFC and HBR resonant tank combo controller 3.0	24 Mar 2020	24 Mar 2020 AN5106 150 V – 150 W LED driver using the STCMB1 transition mode PFC and HBR resonant tank combo controller 3.0
PDF	AN5335 35W transition-mode flyback converter with ultra-low THD based on HVLED007 1.2	19 Dec 2019	19 Dec 2019 AN5335 35W transition-mode flyback converter with ultra-low THD based on HVLED007 1.2
PDF	AN2809 6-row / 30-mA LED driver with boost converter for the backlight of LCD panels 2.2	28 Feb 2020	28 Feb 2020 AN2809 6-row / 30-mA LED driver with boost converter for the backlight of LCD panels 2.2
PDF	AN2810 6-row 85 mA LED driver with boost converter for LCD panel backlighting 1.2	28 Feb 2020	28 Feb 2020 AN2810 6-row 85 mA LED driver with boost converter for LCD panel backlighting 1.2
PDF	AN4607 Basics on the thyristor (SCR) structure and its application 2.0	13 Sep 2018	13 Sep 2018 AN4607 Basics on the thyristor (SCR) structure and its application 2.0
PDF	AN5264 EVL400W-EUPL7 400W SMPS demonstration board 2.0	24 Mar 2020	24 Mar 2020 AN5264 EVL400W-EUPL7 400W SMPS demonstration board 2.0
PDF	AN5351 EVL80WLED-STCH03: 80W-1A primary side current loop control LED driver with STCH03 for street lighting applications 1.0	02 Sep 2019	02 Sep 2019 AN5351 EVL80WLED-STCH03: 80W-1A primary side current loop control LED driver with STCH03 for street lighting applications 1.0
PDF	AN2680 Fan speed controller based on STDS75 or STLM75 digital temperature sensor and ST72651AR6 MCU 1.4	24 Mar 2020	24 Mar 2020 AN2680 Fan speed controller based on STDS75 or STLM75 digital temperature sensor and ST72651AR6 MCU 1.4
PDF	AN2531 Generating multicolor light using RGB LEDs 2.2	13 Sep 2018	13 Sep 2018 AN2531 Generating multicolor light using RGB LEDs 2.2
PDF	AN4496 How to get a high power factor with the HVLED815PF device 1.0	13 Sep 2018	13 Sep 2018 AN4496 How to get a high power factor with the HVLED815PF device 1.0
PDF	AN4608 How to select the right thyristor (SCR) for your application 1.0	13 Sep 2018	13 Sep 2018 AN4608 How to select the right thyristor (SCR) for your application 1.0
PDF	AN934 How to use the digital calibration feature in TIMEKEEPER® and serial real-time clock (RTC) products 4.1	13 Sep 2018	13 Sep 2018 AN934 How to use the digital calibration feature in TIMEKEEPER® and serial real-time clock (RTC) products 4.1
PDF	AN1216 Implementing a periodic alarm with TIMEKEEPER® and serial real-time clocks (RTCs) 2.0	13 Sep 2018	13 Sep 2018 AN1216 Implementing a periodic alarm with TIMEKEEPER® and serial real-time clocks (RTCs) 2.0
PDF	AN2648 Increasing the resolution of analog temperature sensors 1.4	28 Feb 2020	28 Feb 2020 AN2648 Increasing the resolution of analog temperature sensors 1.4
PDF	AN4606 Inrush-current limiter circuits (ICL) with Triacs and Thyristors (SCR) and controlled bridge design tips 2.2	03 Apr 2020	03 Apr 2020 AN4606 Inrush-current limiter circuits (ICL) with Triacs and Thyristors (SCR) and controlled bridge design tips 2.2
PDF	AN3981 LED array drivers 1.1	13 Sep 2018	13 Sep 2018 AN3981 LED array drivers 1.1
PDF	AN2141 LED array reference design board 3.2	13 Sep 2018	13 Sep 2018 AN2141 LED array reference design board 3.2
PDF	AN3168 Non-insulated SCR / Triac control circuits 1.2	13 Sep 2018	13 Sep 2018 AN3168 Non-insulated SCR / Triac control circuits 1.2
PDF	AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0	24 Mar 2020	24 Mar 2020 AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
PDF	AN303 Thyristors and TRIACs: latching current 3.4	16 Jan 2019	16 Jan 2019 AN303 Thyristors and TRIACs: latching current 3.4