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PS ZVS FB Converter

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In a phase-shifting, zero voltage switching full-bridge converter, the two legs of the full-bridge are switched with two square waves whose phase shift is modulated by the converter’s control loop and the resulting square wave is fed into the primary of the transforms that provides primary-secondary isolation and voltage scaling. Parasitic resonance between the capacitance of the transistors and the transformer’s leakage inductance is exploited to ensure a soft turn-on – ideally zero voltage switching (ZVS) - for all four switches in the primary. To also extend the ZVS range at light loads, a resonance inductor is introduced in series with the primary winding of the transformer. Read more

Advantages of ZVS

ZVS helps reduce switching losses and stress in addition to removing the need for primary snubbers. It also enables higher switching frequencies which helps in the design of converters with higher efficiency and power density, making this converter well suited for high-power (> 600 W), high-frequency applications.

Our products and solutions

ST offers a range of advanced digital controllers, rectifiers and power MOSFETs with improved reverse recovery time of their intrinsic diode. Our high-performance STM32 microcontrollers with an extended range of dedicated peripherals including high-resolution PWM timers and high-speed ADCs together with our hardware and software evaluation and development tools as well as reference designs enable developers to fully exploit the benefits of full-bridge phase-shift ZVS converters.

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	Resource title	Version	Latest update
PDF	1200 V SiC diodes, 2 to 40 a in surface-mount and through-hole packages	1.0	25 May 2021	25 May 2021 1200 V SiC diodes, 2 to 40 a in surface-mount and through-hole packages 1.0
PDF	ST Diodes Finder : the new app for Android and iOS	2.0	02 Jul 2021	02 Jul 2021 ST Diodes Finder : the new app for Android and iOS 2.0

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Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu	STPOWER MOSFET Finder	Active	STPOWER MOSFET finder mobile app for tablets and smartphones	Finder Apps	ST	STPOWER MOSFET Finder Description: STPOWER MOSFET finder mobile app for tablets and smartphones

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Part Number	Description	Core product	Tool Type	Supplier	Sort by: part number
STEVAL-ISA172V2 Active	2 kW fully digital AC-DC power supply (D-SMPS) evaluation board	STM32F334C8	PSU and Converter Solution Eval Boards	ST	STEVAL-ISA172V2 Active 2 kW fully digital AC-DC power supply (D-SMPS) evaluation board

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Bookmark

PS ZVS FB Converter

Advantages of ZVS

Our products and solutions

All resources

Application Notes (5 of 16)

Flyers (2)

All tools & software

Finder Apps

ST Voltage Regulator Finder

STPOWER MOSFET Finder

All Hardware Evaluation Tools

Evaluation Tools

STEVAL-ISA172V2

	Resource title	Version	Latest update
PDF	AN1768 ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES	1.1	23 Apr 2021	23 Apr 2021 AN1768 ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES 1.1
PDF	AN4656 Bootloading procedure for STLUX™ and STNRG™ digital controllers	3.1	19 Mar 2021	19 Mar 2021 AN4656 Bootloading procedure for STLUX™ and STNRG™ digital controllers 3.1
PDF	AN2025 CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION	1.1	13 Sep 2018	13 Sep 2018 AN2025 CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION 1.1
PDF	AN604 Calculation of conduction losses in a power rectifier	3.2	06 Jul 2021	06 Jul 2021 AN604 Calculation of conduction losses in a power rectifier 3.2
PDF	AN4021 Calculation of reverse losses in a power diode	1.0	06 Jul 2021	06 Jul 2021 AN4021 Calculation of reverse losses in a power diode 1.0
PDF	AN5028 Calculation of turn-off power losses generated by a ultrafast diode	1.0	13 Sep 2018	13 Sep 2018 AN5028 Calculation of turn-off power losses generated by a ultrafast diode 1.0
PDF	AN4381 Current sharing in parallel diodes	1.0	06 Jul 2021	06 Jul 2021 AN4381 Current sharing in parallel diodes 1.0
PDF	AN2626 MOSFET body diode recovery mechanism in a phase-shifted ZVS full bridge DC/DC converter	1.4	13 Sep 2018	13 Sep 2018 AN2626 MOSFET body diode recovery mechanism in a phase-shifted ZVS full bridge DC/DC converter 1.4
PDF	AN1453 NEW FAMILY OF 150V POWER SCHOTTKY	1.1	06 Jul 2021	06 Jul 2021 AN1453 NEW FAMILY OF 150V POWER SCHOTTKY 1.1
PDF	AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages	4.0	23 Apr 2021	23 Apr 2021 AN5046 Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages 4.0
PDF	AN5088 Rectifiers thermal management, handling and mounting recommendations	2.0	06 Jul 2021	06 Jul 2021 AN5088 Rectifiers thermal management, handling and mounting recommendations 2.0
PDF	AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting	3.6	03 May 2021	03 May 2021 AN533 SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting 3.6
PDF	AN443 SERIES OPERATION ON FAST RECTIFIERS	2.1	06 Jul 2021	06 Jul 2021 AN443 SERIES OPERATION ON FAST RECTIFIERS 2.1
PDF	AN4856 STEVAL-ISA172V2: 2 kW fully digital AC - DC power supply (D-SMPS) evaluation board	1.0	19 Mar 2021	19 Mar 2021 AN4856 STEVAL-ISA172V2: 2 kW fully digital AC - DC power supply (D-SMPS) evaluation board 1.0
PDF	AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION	1.1	23 Apr 2021	23 Apr 2021 AN1542 THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION 1.1
PDF	AN869 Tj max limit of Schottky diodes	2.2	06 Jul 2021	06 Jul 2021 AN869 Tj max limit of Schottky diodes 2.2

Search History

Bookmark

PS ZVS FB Converter

Advantages of ZVS

Our products and solutions

All resources

Application Notes (5 of 16)

Flyers (2)

All tools & software

Finder Apps

ST Voltage Regulator Finder

STPOWER MOSFET Finder

All Hardware Evaluation Tools

Evaluation Tools

STEVAL-ISA172V2

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