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100W Adjustable Power Supply with USB PD Input

Overview

This USB Power Delivery (PD) sink design efficiently converts power from USB Type-C® to the required voltage, supporting outputs from 5V to 20V and delivering up to 100W. Adjustable voltage and current settings via controller-connected registers enable easy implementation of a highly efficient USB PD sink. This design simplifies voltage and current adjustments, optimizing power delivery for cost efficiency and high performance across various USB PD applications.

System Benefits​:

  • High power efficiency with a high-performance controller and power devices
  • Easily adjust voltage and power by changing the control voltage of the controller
  • Reference design streamlines the development process
  • Meets USB Type-C and USB PD application requirements

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4:3 ratio MOSFETMOSFETMOSFETChassis GroundSheet.247Sheet.248Sheet.290Sheet.291Sheet.292Sheet.293Sheet.295Sheet.296Sheet.297Sheet.298Sheet.299Sheet.300Sheet.302Connector.231Connector.232Connector.233Sheet.306H-BridgeH-Bridge x4H-Bridgex4Sheet.441Sheet.377Sheet.385Sheet.273Sheet.274Sheet.275Sheet.276Sheet.277Sheet.278Sheet.279Sheet.280Sheet.281Line.308Line.311Left arrow.312Line.313Sheet.286Connector 1.61Connector 1.62Connector 1.63Sheet.308Sheet.380Sheet.409Sheet.410Sheet.411Sheet.412Sheet.413Sheet.414Sheet.415Sheet.416Sheet.417Sheet.418Line.308Line.311Left arrow.312Line.313Sheet.423Connector 1.61Connector 1.62Connector 1.63Sheet.427Sheet.445Path ControlPath ControlPath ControlSheet.1Sheet.2Sheet.3Sheet.4JP214JP214JP214Buck RegulatorBuck RegulatorBuck RegulatorUSB-CUSB-CUSB-CUSB-CSheet.206Sheet.207Sheet.208Sheet.209Sheet.210Sheet.211Sheet.212Sheet.213Sheet.214Sheet.215Sheet.216Sheet.217Sheet.218Resistor - FixedSheet.94Sheet.95Sheet.96Sheet.97Sheet.98Sheet.99Sheet.100Sheet.101Sheet.102Sheet.103Sheet.104Sheet.105Sheet.106Connector.231Connector.232Connector.233Sheet.110Sheet.113Sheet.114Connector 1.115Sheet.116Chassis Ground.124Sheet.125Sheet.126Sheet.173Sheet.174Sheet.175Sheet.176Sheet.177Sheet.178Sheet.179Sheet.180Sheet.181Sheet.182Sheet.183Sheet.184Sheet.185Connector.231Connector.232Connector.233Sheet.189Sheet.192Sheet.193Connector 1.194Sheet.195Chassis Ground.196Sheet.197Sheet.198Sheet.200Sheet.201Sheet.463Sheet.464Sheet.467Sheet.238Sheet.239Resistor - Fixed.128Sheet.241Resistor - FixedChassis GroundSheet.244Sheet.245Sheet.230Sheet.231Resistor - Fixed.128Sheet.237Resistor - FixedChassis GroundSheet.235Sheet.236Sheet.469Sheet.470Sheet.471Sheet.472Sheet.473Connector 1.156Sheet.475Connector 1.156.476Sheet.477Sheet.478Sheet.479Connector 1.156.480Sheet.4813.3V3.3V3.3VCCCCCCSheet.484Sheet.485Sheet.4865-20V/5A VBUS5-20V/5A VBUS5-20V/5AVBUSConnector 1.156.488Sheet.489Sheet.490Connector 1.156.491Sheet.255Sheet.256Sheet.258Sheet.257Sheet.259Sheet.260Sheet.261Sheet.262Line.34Line.35Left arrow.36Line.37Sheet.268Connector 1.156.269Connector 1.156.270Connector 1.156.271Sheet.307Sheet.391Sheet.392Sheet.393Sheet.394Sheet.395Sheet.396Sheet.397Sheet.398Sheet.399Line.400Line.401Left arrow.402Line.403Sheet.404Connector 1.405Connector 1.406Connector 1.407Sheet.408Sheet.429Sheet.430Sheet.431Sheet.432Sheet.433Sheet.434Sheet.435Sheet.436Sheet.437Sheet.439Sheet.440Sheet.442Sheet.443Sheet.444Sheet.446Sheet.447Connector 1.448Sheet.449Connector 1.156.450Sheet.452Sheet.453Connector 1.156.454Sheet.455InputBuck-Boost ConverterBuck-Boost ConverterBuck-Boost ConverterSheet.459Sheet.460Sheet.461Sheet.462Output Voltage SettingOutput Voltage SettingOutput Voltage SettingOutput Current SettingOutput Current SettingOutput Current SettingSheet.497Connector 1.156.498Sheet.499Sheet.500Sheet.501Sheet.503DC OutDC OutDC OutSheet.505Sheet.506Sheet.508Sheet.509Sheet.511Sheet.512Sheet.514Sheet.515Connector 1.156.516Connector 1.156.5175V/9V/12V/15V/18V/20V 1A/2A/3A/4A/5A Selectable up to 100W5V/9V/12V/15V/18V/20V 1A/2A/3A/4A/5A Selectable up to 100W5V/9V/12V/15V/18V/20V 1A/2A/3A/4A/5A Selectable up to 100WDischargeDischargeDischargeUSB PD ControllerUSB PD ControllerUSB PD ControllerUSB PD ControllerADCADCADCI2CI2CI2CSheet.545Sheet.556Sheet.557Sheet.558Sheet.572MOSFET 1MOSFET x2MOSFET x2Sheet.24Sheet.25Sheet.27Sheet.28Sheet.29Sheet.30Sheet.32Sheet.33Sheet.34Sheet.35Sheet.36Sheet.37Sheet.38Connector 1.156.39Connector 1.156.40Connector 1.156.41Sheet.562Sheet.563Sheet.47Sheet.48Sheet.49Sheet.50Sheet.51Sheet.52Sheet.53Sheet.54Line.308Line.311Left arrow.312Line.313Sheet.60Connector 1.61Connector 1.62Connector 1.63Sheet.573MOSFET 2MOSFET x2MOSFET x2Sheet.565Sheet.566Sheet.137Sheet.138Sheet.140Sheet.141Sheet.143Sheet.144Sheet.145Line.146Line.147Left arrow.148Line.149Sheet.150Connector 1.151Connector 1.152Connector 1.153Sheet.142Sheet.156Sheet.157Sheet.158Sheet.159Sheet.160Sheet.161Sheet.162Sheet.163Sheet.164Line.165Line.166Left arrow.167Line.168Sheet.169Connector 1.170Connector 1.171Connector 1.172Sheet.191Sheet.190Sheet.112Sheet.111Sheet.451Sheet.26Sheet.139Sheet.202

MOSFET

Power MOSFETs

MOSFET

Power MOSFETs

Buck Regulator

Buck Regulators (Integrated FETs)

USB PD Controller

USB-C & Power Delivery

H-Bridge

Power MOSFETs

Buck-Boost Converter

Buck-Boost Controllers (External FETs)

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