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High Efficiency ZVS 140W USB-C Power Supply

Overview

Enhance system efficiency with Renesas' 140W USB-C power supply, featuring SuperGaN technology and an advanced USB PD product portfolio. This design optimizes performance across various loads with adaptive zero voltage switching (ZVS) and smart PFC On/Off control. Compliant with the USB PD 3.1 EPR standard up to 28V and regulatory obligations, it minimizes BOM costs while setting new standards in efficient power delivery. It addresses industry trends toward high-efficiency power supplies by offering a compact design that reduces size and weight, optimizing both cost-effectiveness and ease of integration. Its high performance ensures reliable operation in demanding applications, making it an ideal choice for modern power delivery needs.

System Benefits:

  • Adaptive ZVS control for efficiencies exceeding 95% at 28V/5A
  • Cost-optimized BOM
  • Smart PFC On/Off control for enhanced efficiencies at light loads
  • Compliance with USB PD 3.1 EPR standard up to 28V

Block Diagram

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4:3 ratioSheet.649Ground - Earth.673Sheet.674Sheet.675Sheet.676Sheet.677Connector Line.678GaN FET.679GaN FETGaN FETSheet.680Sheet.681Sheet.682Sheet.683Sheet.684Sheet.685Sheet.686Sheet.687Sheet.688Sheet.689Ground - EarthSheet.669Sheet.670Sheet.671Sheet.672Connector Line.667Connector LineSheet.1Sheet.2Sheet.3Sheet.4WS007WS007WS007Capacitor Non-polarizedSheet.36Sheet.37Sheet.38Sheet.39Ground (earth)Sheet.41Sheet.42Sheet.43Sheet.44Transformer Inductor Coreless (Air conductor).89Sheet.46Sheet.47Sheet.48Sheet.49Sheet.50Sheet.51Sheet.52Sheet.53Sheet.54Sheet.55Sheet.56Sheet.57Sheet.58Sheet.59Sheet.60Sheet.61Sheet.62Sheet.63Sheet.64Sheet.65Connector.231Connector.232Connector.233Sheet.69AC Power SourceSheet.79Alternating Current90~264VAC90~264VAC90~264VACConnector 1.174Connector 1.544Capacitor Non-polarized .227Sheet.142Sheet.143Sheet.144Sheet.145Ground (earth).232Sheet.148Sheet.149Sheet.150Connector 1.237Signal Ground.260Sheet.163Sheet.164Sheet.165Sheet.166Sheet.167Capacitor Non-polarized .266Sheet.169Sheet.170Sheet.171Sheet.172Connector 1.277Connector 1.371DiodeSheet.286Sheet.287Sheet.288Diode.411Sheet.290Sheet.291Sheet.292Connector 1.417Connector 1.439Sheet.447Sheet.448Sheet.449Sheet.450Sheet.451Sheet.452Sheet.453Sheet.454Sheet.455Sheet.456Sheet.457Connector.231Connector.232Connector.233Sheet.461Sheet.502Diode.480Sheet.481Sheet.482Sheet.483AC/DCAC/DC RegulatorAC/DC RegulatorPFCPFC ControlPFC ControlACDC ControllerACDC ControllerACDC ControllerPhotocouplerPhotocouplerPhotocouplerPhotocouplerPhotocouplerPhotocouplerSheet.512Sheet.513Sheet.514Sheet.515Sheet.516Sheet.517Sheet.519Sheet.520Sheet.521Sheet.522Sheet.524Sheet.536Sheet.537Sheet.538Sheet.539Sheet.540Sheet.541Sheet.542Sheet.543Sheet.544Sheet.545Sheet.549Sheet.550Sheet.551Sheet.552Sheet.553Sheet.554Sheet.555Sheet.556Sheet.557Sheet.558Sheet.559Sheet.560Sheet.561Sheet.563Sheet.564Sheet.565Connector 1.174.566Connector 1.174.567Capacitor Non-polarized .568Sheet.569Sheet.570Sheet.571Sheet.572Connector 1.174.57912V DC12V DC12V DCConnector 1.174.582Connector 1.174.583Capacitor Non-polarized .585Sheet.586Sheet.587Sheet.588Sheet.589Connector 1.594TransformerLine.841Inductor Air Core.509Sheet.599Sheet.600Sheet.601Sheet.602Sheet.603Sheet.604Sheet.605Sheet.606Sheet.607Line.29Inductor Air Core.212Sheet.610Sheet.611Sheet.612Sheet.613Sheet.614Sheet.615Sheet.616Sheet.617Sheet.618Sheet.619Sheet.620Sheet.621Connector 1.174.623Connector 1.174.624Rectifier ControllerRectifier ControllerRectifier ControllerShuntSheet.628Sheet.629Sheet.630Connector 1.174.631Connector 1.174.632Connector 1.174.633VBUSVBUSVBUSGNDGNDGNDCC2CC2CC2CC1CC1CC1D+D+D+D-D-D-Signal Ground.641Sheet.642Sheet.643Sheet.644Sheet.645Sheet.646Connector 1.647Connector 1.174.648USB PD3.1 ControllerUSB PD3.1 ControllerUSB PD3.1 ControllerConnector 1.174.650Connector 1.174.6515~28V DC max 5A5~28V DC max 5A5~28V DC max 5AGaN FET.654GaN FETGaN FETSheet.655Sheet.656Sheet.657Sheet.658Sheet.659Sheet.660Sheet.661Sheet.662Sheet.663Sheet.664

PFC Control

Power Factor Correction (PFC) Controllers

AC/DC Regulator

Non-Isolated AC/DC Buck Converters

AC/DC Controller

Flyback & Forward Controllers

Rectifier Controller

Synchronous Rectifier Controllers

USB PD 3.1 Controller

Synchronous Rectifier Controllers

Photocoupler

Photocouplers/Optocouplers Transistor Output

Photocoupler

Photocouplers/Optocouplers Transistor Output

GaN FET

GaN Power Discretes

GaN FET

GaN Power Discretes

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