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Data center power requirements are constantly increasing and traditional power systems are no longer sufficient to meet this growing demand. The power distribution chain, from the frontend AC-DC stage to the backend DC-DC power distribution, needs to deliver the best performance in term of efficiency, power density and ability to interface with the digital world. It must ensure an optimized usage of energy thanks to different strategies, such as workload redistribution, dynamic resource allocation or virtualization.

ST offers a full set of products and solutions to ensure the most optimized power design across all the distribution chain. Our digital and analog controllers combined with MOSFETs and drivers are key ingredients for implementing the most efficient and most dense AC-DC power delivery. On the backend DC-DC power distribution, ST offers advanced solutions for the Point-of-Load conversion and a recently developed innovative DC-DC conversion from the 48V DC supply.

power distribution digital power block diagram

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Power Delivery for Data Centers 
Power Delivery for Data Centers 

Efficient Power Delivery for Modern Data Center

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Technical Documentation

    • Description Version Size Action
      		AN5118
      12 V – 150 W power supply based on STNRG011 digital combo and SRK2001 adaptive synchronous rectifier controller       		1.1
      5.26 MB
      		PDF
      		AN4930
      500 W fully digital AC-DC power supply (D-SMPS) evaluation board       		1.0
      8.73 MB
      		PDF
      		AN2644
      An introduction to LLC resonant half-bridge converter       		2.0
      1.27 MB
      		PDF
      		AN4656
      Bootloading procedure for STLUXâ„¢ and STNRGâ„¢ digital controllers       		3.1
      588.34 KB
      		PDF
      		AN5497
      Buck current mode with the B-G474E-DPOW1 Discovery kit       		1.0
      9.96 MB
      		PDF
      		AN5496
      Buck voltage mode with the B-G474E-DPOW1 Discovery kit       		1.0
      8.83 MB
      		PDF
      		AN4689
      EVLSTNRG-1KW: 1 kW SMPS digitally controlled multiphase interleaved converter using the STNRG388A       		1.1
      5.33 MB
      		PDF
      		AN4720
      Half bridge resonant LLC converters and primary side MOSFET selection       		1.0
      1.4 MB
      		PDF
      		AN5119
      How to design an application from draft with STNRG011       		1.1
      343.91 KB
      		PDF
      		AN4671
      How to fine tune your SiC MOSFET gate driver to minimize losses       		1.1
      555.54 KB
      		PDF
      		AN2450
      LLC resonant half-bridge converter design guideline       		6.0
      746.74 KB
      		PDF
      		AN4406
      MDmeshâ„¢ M2: the new ST super-junction technology ideal for resonant topologies       		1.0
      652.78 KB
      		PDF
      		AN4789
      Monolithic Schottky diode in ST F7 LV MOSFET technology: improving application performance       		1.1
      1,006.7 KB
      		PDF
      		AN4242
      New generation of 650 V SiC diodes       		2.0
      4.75 MB
      		PDF
      		AN4856
      STEVAL-ISA172V2: 2 kW fully digital AC - DC power supply (D-SMPS) evaluation board       		1.0
      4.25 MB
      		PDF
      		AN4277
      Using STM32 device PWM shut-down features for motor control and digital power conversion       		4.0
      834.03 KB
      		PDF
      AN5118

      12 V – 150 W power supply based on STNRG011 digital combo and SRK2001 adaptive synchronous rectifier controller

      PDF
      AN4930

      500 W fully digital AC-DC power supply (D-SMPS) evaluation board

      PDF
      AN2644

      An introduction to LLC resonant half-bridge converter

      PDF
      AN4656

      Bootloading procedure for STLUXâ„¢ and STNRGâ„¢ digital controllers

      PDF
      AN5497

      Buck current mode with the B-G474E-DPOW1 Discovery kit

      PDF
      AN5496

      Buck voltage mode with the B-G474E-DPOW1 Discovery kit

      PDF
      AN4689

      EVLSTNRG-1KW: 1 kW SMPS digitally controlled multiphase interleaved converter using the STNRG388A

      PDF
      AN4720

      Half bridge resonant LLC converters and primary side MOSFET selection

      PDF
      AN5119

      How to design an application from draft with STNRG011

      PDF
      AN4671

      How to fine tune your SiC MOSFET gate driver to minimize losses

      PDF
      AN2450

      LLC resonant half-bridge converter design guideline

      PDF
      AN4406

      MDmeshâ„¢ M2: the new ST super-junction technology ideal for resonant topologies

      PDF
      AN4789

      Monolithic Schottky diode in ST F7 LV MOSFET technology: improving application performance

      PDF
      AN4242

      New generation of 650 V SiC diodes

      PDF
      AN4856

      STEVAL-ISA172V2: 2 kW fully digital AC - DC power supply (D-SMPS) evaluation board

      PDF
      AN4277

      Using STM32 device PWM shut-down features for motor control and digital power conversion

      PDF
    • Description Version Size Action
      		UM2088
      Getting started with the 2 kW fully digital AC-DC power supply (D-SMPS) evaluation board       		1.0
      1.3 MB
      		PDF
      		UM2064
      Getting started with the 500 W fully digital AC-DC power supply (D-SMPS) evaluation board       		1.0
      1.15 MB
      		PDF
      		UM2076
      Getting started with the STEVAL-ISF003V1       		2.1
      3.09 MB
      		PDF
      		UM2342
      Getting started with the STEVAL-PCC020V1: USB to I²C UART interface board and associated GUI for STNRG products       		1.0
      2.65 MB
      		PDF
      		UM2340
      STNRG011 NVM parameters description       		1.0
      612.53 KB
      		PDF
      UM2088

      Getting started with the 2 kW fully digital AC-DC power supply (D-SMPS) evaluation board

      PDF
      UM2064

      Getting started with the 500 W fully digital AC-DC power supply (D-SMPS) evaluation board

      PDF
      UM2076

      Getting started with the STEVAL-ISF003V1

      PDF
      UM2342

      Getting started with the STEVAL-PCC020V1: USB to I²C UART interface board and associated GUI for STNRG products

      PDF
      UM2340

      STNRG011 NVM parameters description

      PDF

Presentations & Training Material

    • Description Version Size Action
      		L6699: Double-ended controller specific to series-resonant half-bridge topology 2.0
      430.88 KB
      		PDF
      		Power Factor Corrector controllers portfolio
      1.22 MB
      		PDF
      		ST 48V Conversion Solutions Overview about PSA and ST Products 2.0
      1.93 MB
      		PDF

      L6699: Double-ended controller specific to series-resonant half-bridge topology

      PDF

      Power Factor Corrector controllers portfolio

      PDF

      ST 48V Conversion Solutions Overview about PSA and ST Products

      PDF

Publications and Collaterals

    • Description Version Size Action
      		Field-Effect Rectifier Diodes Advantageously replace Schottky (60V and 100V) 1.0
      1.29 MB
      		PDF
      		ST Diodes Finder : the new app for Android and iOS 2.0
      1.46 MB
      		PDF
      		STNRGPF01 - Shift into high gear with digital power 03.2017
      714.28 KB
      		PDF
      		Turnkey PLC chipset for smart-energy infrastructure 10.2017
      775.07 KB
      		PDF

      Field-Effect Rectifier Diodes Advantageously replace Schottky (60V and 100V)

      PDF

      ST Diodes Finder : the new app for Android and iOS

      PDF

      STNRGPF01 - Shift into high gear with digital power

      PDF

      Turnkey PLC chipset for smart-energy infrastructure

      PDF
    • Description Version Size Action
      		Diodes and rectifiers selection guide 2.0
      815.09 KB
      		PDF
      		Linear and Switching Voltage Regulators Selection Guide 3.0
      370.88 KB
      		PDF

      Diodes and rectifiers selection guide

      PDF

      Linear and Switching Voltage Regulators Selection Guide

      PDF
    • Description Version Size Action
      		ST 48 V power conversion Turnkey solution for servers 03.2018
      6.02 MB
      		PDF
      		STM32F3 series - Mainstream 32-bit MCUs 17.09
      2.18 MB
      		PDF
      		VIPerPlus - Bring a Plus to your SMPS design 05.2020
      481.54 KB
      		PDF
      		VIPerPlus evaluation boards 05.2018
      1,002.52 KB
      		PDF

      ST 48 V power conversion Turnkey solution for servers

      PDF

      STM32F3 series - Mainstream 32-bit MCUs

      PDF

      VIPerPlus - Bring a Plus to your SMPS design

      PDF

      VIPerPlus evaluation boards

      PDF