Power Control & Conversion

HV Digital Power Controller

150 W Digital Switch Mode Power Supply with PFC and LLC Stage featuring STNRG011 digital combo controller. Fast and easy digital power supply design with maximum configurability and high-end performance.

  • Wide configurability and calibration of the key application parameters through intuitive GUI
  • Power monitoring, communication and black box recording through UART/I2C interface
  • Maximum efficiency and low no-load consumption, compliant with major energy directives

ST parts: STNRG011, EVLSTNRG011-150


Ultra-low Power Converters

Expanding the VIPerPlus family of offline converters with Viper12 and Viper31. Efficient AC/DC converters with integrated high-voltage MOSFET. High performance converter for offline flyback and buck converters.

  • The VIPer31x is an energy saving SMPS for applications up to 16 W. Standby power < 10 mW
  • The integrated 730 V MOSFET of the VIPer12x provides an optimized BOM for AC/DC buck converters
  • Bring a Plus to your design with VIPerPlus. Simplied BOM, high efficiency, high-voltage

ST parts: VIPER31, VIPER122, STEVAL-VP12201B


Digital Power Control with STM32

Featuring the STM32G4 series with high resolution timer (184 ps) and math accelerators (CORDIC, FMAC). Ecosystem support from our partner Biricha Digital for digital power supply (ST WDS) and power factor correction (ST PLD) design tools as well as hands on workshop training.

  • Performance Arm® Cortex®-M4 at 170 MHz, 213 DMIPS and 550 CoreMark® power consumption (163 µA/MHz) ART Accelerator™ mathematical accelerators CCM-SRAM routine booster
  • Integrated analog and digital op-amps, DACs, comparators, 12-bit ADCs 4 Msps CAN-FD (8 Mbps) hi-resolution timer (184 ps), USB type-C PD 3.0 1% RC accuracy [-5°..90 °C]
  • Safety and security focus dual bank Flash with ECC securable memory area AES-256, SIL, Class-B SRAM with parity bit

ST parts: STM32G474RE, B-G474E-DPOW1, NUCLEO-G474RE



Data Center Power Delivery

A Complete Solution from AC to Point of Load

Complete power distribution for servers from AC input to DC PoL maximizing overall efficiency and power density. The AC-DC stage delivers 500 W at 48 V, followed by ST proprietary architecture (Stacked Buck) to convert 48 V to regulated 12 V, and a multiphase digital architecture to power digital ASIC.

  • ST innovative PFC+LLC architecture achieves a peak efficiency of 96.8% @ 230 VAC input
  • Second stage regulated stacked buck delivers up to 3.2 kW with peak efficiency of 98.5% @ 54 V input
  • 12 V digital multiphase converter using proprietary STVCOT control delivers 96.1% efficiency @ 360 W

ST parts: PM6764, PM6766, PM6776, STPRDC02, STPRDC01, STPDDC60, PM7080, STEF12H60



SiC-based PFC systems

15 kW Bi-directional Vienna PFC

Digitally controlled PFC system enabling bi-directional power transfer for EV and energy storage applications

  • Bridgeless PFC topology with > 98% efficiency due to 2nd gen SiC MOSFETs and smart digital control
  • Turn-key system solution based on STM32, isolated drivers, and the latest in STPower technology



3.6 kW Totem-Pole PFC + Inrush Current Limiter

Bridgeless PFC system for single phase AC inputs with digitally controlled SCR bridge for inrush current limiting

  • Innovative SCR based control of input stage for inrush current limiting
  • 97.5% efficiency enabled by 650 V 2nd generation SiC MOSFETs

ST parts: SCTW35N65G2V, TN3050H-12WY, STGAP2S, STM32F334



Intelligent Lighting Solutions

Offline High Voltage Mesh Networked LED Lighting Solution

HVLED001B and HVLED002 provide efficient primary and secondary power conversion in the STEVAL-LLL008V1 evaluation board.

  • Power factor correction provides excellent distortion performance (<15%)
  • Deep dimming capability down to 1%
  • ST power conversion and lighting solutions enable high efficiency smart lighting solutions

The Spirit sub-1GHz module delivers 6LoWPAN mesh networking capability.



Power over Ethernet LED Lighting Solution up to 99 W

Intelligent lighting solution for up to 99 W compliant with 802.3bt with compact design

  • PM8805 is the smallest 802.11bt PoE interface solution in the industry
  • Data and power on single low voltage cable
  • Additional connectivity provided SPBTLE-1S Bluetooth Module

ST parts: PM8805, LED6000, SPBTLE-1S, VIPER012XS, STTH102A, STPS3L60U, 2STF1360, STEVAL-POEL45W1



Electric Traction Solutions

SiC-Based High Voltage 3-phase inverter

Compact high power motor drive and control system for 400 V and 800 V Electric Vehicle busses

  • Utilizes compact ACEPACK DRIVE module and isolated automotive gate drivers for 360 kW peak power
  • Both 1200 V rated power module for 800 V bus sytems, or 750 V rated modules for 400 V bus systems

ST parts: ADP86012W2, STGAP1AS, SPC560P50L3, A7986, A6902, STPSxx, ESDCAN05-2BWY



High power module housing SiC MOSFETs for EV traction inverters

  • At 30% smaller size than the HybridPACK module, ACEPACK Drive enables > 100 kW inverter drives
  • 1200 V/3.5m Ω and 750 V/2.0m Ω 2nd generation SiC MOSFETs based inverters

ST parts: ADP86012W2, ADP450120W3 (Contact an ST sales rep for details)



Modular Offline Power Conversion

21 kW Offline Power Converter with Inrush Current Limiter

3x7 kW Module power converter ideal for 3-phase input on-board charging of electric vehicles or industrial power supplies

  • Bridgeless PFC and resonant DC/DC utilize latest in SiC and MDMesh super-junction MOSFET technology
  • Innovative SCR based control of input stage for in-rush current limiting

ST parts: SCTH35N65G2, STPSC20065GY, STTH30L06GY, TN3050H-12GY, STB46N60DM6AG, STGAP1AS, SPC58xx


Power Packages Display: HV, SLLIIMM, ACEPACK SMIT, IGBT, 1200 V

ST's latest power packaging offerings for high voltage applications

ST parts: ACEPACK, HB2 series IGBT, SLLIMM