AC-DC PSU for Server and Telecom

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AC-DC Power Supply Units (PSU) are used in servers and telecom infrastructures to increase system efficiency, improve power factor and meet the requirements of the 80 PLUS® voluntary certification program, to reach gold, platinum or titanium levels. Device reliability is a key feature in AC-DC power supplies to ensure continuous operation or use in redundant systems. In order to address these challenging performance targets, architectures implementing advanced control algorithms are built using high-performance digital controllers.

To support the design of efficient PSUs with a high-power density, ST offers a range of power MOSFETs and rectifiers – including devices based on Silicon Carbide (SiC) technology – as well as advanced analog and digital controllers. Useful tools for designing PSUs also include high-performance STM32 microcontrollers with their advanced peripherals such as high-resolution PWM timers, low-latency and high-resolution ADCs, fast comparators, high-bandwidth and low-offset PGA, as well as our reference designs, our hardware and software evaluation and development tools.

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Application Notes (5 of 14)

	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	AN4930 500 W fully digital AC-DC power supply (D-SMPS) evaluation board 1.0	13 Sep 2018	13 Sep 2018 AN4930 500 W fully digital AC-DC power supply (D-SMPS) evaluation board 1.0
PDF	AN2644 An introduction to LLC resonant half-bridge converter 2.0	13 Sep 2018	13 Sep 2018 AN2644 An introduction to LLC resonant half-bridge converter 2.0
PDF	AN4656 Bootloading procedure for STLUX™ and STNRG™ digital controllers 3.1	24 Mar 2020	24 Mar 2020 AN4656 Bootloading procedure for STLUX™ and STNRG™ digital controllers 3.1
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	AN4689 EVLSTNRG-1KW: 1 kW SMPS digitally controlled multiphase interleaved converter using the STNRG388A 1.1	13 Sep 2018	13 Sep 2018 AN4689 EVLSTNRG-1KW: 1 kW SMPS digitally controlled multiphase interleaved converter using the STNRG388A 1.1
PDF	AN4720 Half bridge resonant LLC converters and primary side MOSFET selection 1.0	13 Sep 2018	13 Sep 2018 AN4720 Half bridge resonant LLC converters and primary side MOSFET selection 1.0
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	AN2450 LLC resonant half-bridge converter design guideline 6.0	13 Sep 2018	13 Sep 2018 AN2450 LLC resonant half-bridge converter design guideline 6.0
PDF	AN4406 MDmesh™ M2: the new ST super-junction technology ideal for resonant topologies 1.0	13 Sep 2018	13 Sep 2018 AN4406 MDmesh™ M2: the new ST super-junction technology ideal for resonant topologies 1.0
PDF	AN4789 Monolithic Schottky diode in ST F7 LV MOSFET technology: improving application performance 1.1	22 Jan 2019	22 Jan 2019 AN4789 Monolithic Schottky diode in ST F7 LV MOSFET technology: improving application performance 1.1
PDF	AN4856 STEVAL-ISA172V2: 2 kW fully digital AC - DC power supply (D-SMPS) evaluation board 1.0	13 Sep 2018	13 Sep 2018 AN4856 STEVAL-ISA172V2: 2 kW fully digital AC - DC power supply (D-SMPS) evaluation board 1.0
PDF	AN4277 Using STM32 device PWM shut-down features for motor control and digital power conversion 4.0	06 Feb 2020	06 Feb 2020 AN4277 Using STM32 device PWM shut-down features for motor control and digital power conversion 4.0

User Manual (3)

	Resource title	Latest update
PDF	UM2088 Getting started with the 2 kW fully digital AC-DC power supply (D-SMPS) evaluation board 1.0	13 Sep 2018	13 Sep 2018 UM2088 Getting started with the 2 kW fully digital AC-DC power supply (D-SMPS) evaluation board 1.0
PDF	UM2064 Getting started with the 500 W fully digital AC-DC power supply (D-SMPS) evaluation board 1.0	13 Sep 2018	13 Sep 2018 UM2064 Getting started with the 500 W fully digital AC-DC power supply (D-SMPS) evaluation board 1.0
PDF	UM2076 Getting started with the STEVAL-ISF003V1 2.1	17 Dec 2019	17 Dec 2019 UM2076 Getting started with the STEVAL-ISF003V1 2.1

Presentations (2)

	Resource title		Latest update
PDF	L6699: Double-ended controller specific to series-resonant half-bridge topology 2.0		26 Jun 2018	26 Jun 2018 L6699: Double-ended controller specific to series-resonant half-bridge topology 2.0
PDF	Power Factor Corrector controllers portfolio		23 Aug 2018	23 Aug 2018 Power Factor Corrector controllers portfolio

Flyers (3)

	Resource title	Latest update
PDF	ST Diodes Finder : the new app for Android and iOS 2.0	23 Mar 2020	23 Mar 2020 ST Diodes Finder : the new app for Android and iOS 2.0
PDF	STEVAL-IPFC01V1 3 kW three-channel interleaved PFC 1.0	09 Nov 2018	09 Nov 2018 STEVAL-IPFC01V1 3 kW three-channel interleaved PFC 1.0
PDF	STNRGPF01 - Shift into high gear with digital power 03.2017	25 Feb 2020	25 Feb 2020 STNRGPF01 - Shift into high gear with digital power 03.2017

Brochures (1)

	Resource title		Latest update
PDF	STM32F3 series - Mainstream 32-bit MCUs 17.09		05 Dec 2018	05 Dec 2018 STM32F3 series - Mainstream 32-bit MCUs 17.09

Magazine Articles (1)

	Resource title		Latest update
PDF	Digital Controller Eases Design Of Interleaved PFC For Multi-kilowatt Converters by Rosario Attanasio, Giuseppe Di Caro, Sebastiano Messina, and Marco Torrisi, STMicroelectronics, Schaumburg, Ill and Catania, Italy 1.0		16 Nov 2018	16 Nov 2018 Digital Controller Eases Design Of Interleaved PFC For Multi-kilowatt Converters by Rosario Attanasio, Giuseppe Di Caro, Sebastiano Messina, and Marco Torrisi, STMicroelectronics, Schaumburg, Ill and Catania, Italy 1.0

All tools & software

Software Development Tools

Part number	Status	Description	Type	Supplier
ST MCU Finder	Active	STM32 and STM8 product finder for mobile devices and desktops	STM32 Utilities	ST	ST MCU Finder Description: STM32 and STM8 product finder for mobile devices and desktops

Finders Apps

Part number	Status	Description	Type	Supplier
ST Diode Finder	Active	Diode product finder application for Android and iOS	Finders Apps	ST	ST Diode Finder Description: Diode product finder application for Android and iOS
ST Voltage Regulator Finder	Active	Linear and switching voltage regulators and voltage reference applications for smartphones and tablets	Finders Apps	ST	ST Voltage Regulator Finder Description: Linear and switching voltage regulators and voltage reference applications for smartphones and tablets
STPOWER MOSFET Finder	Active	STPOWER MOSFET finder mobile app for tablets and smartphones	Finders Apps	ST	STPOWER MOSFET Finder Description: STPOWER MOSFET finder mobile app for tablets and smartphones

Converter

Converter

DC/DC AC/DC

Input

Volt. Min V This option is required. And must be less than or equal to Volt. Max [V]

Volt. Max V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

Voltage V This option is required and must be a number.

Current A This option is required and must be a number.