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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

Block Diagram

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4:3 ratio MOSFET MOSFET MOSFET Chassis Ground Sheet.247 Sheet.248 Sheet.290 Sheet.291 Sheet.292 Sheet.293 Sheet.295 Sheet.296 Sheet.297 Sheet.298 Sheet.299 Sheet.300 Sheet.302 Connector.231 Connector.232 Connector.233 Sheet.306 H-Bridge H-Bridge x4 H-Bridgex4 Sheet.441 Sheet.377 Sheet.385 Sheet.273 Sheet.274 Sheet.275 Sheet.276 Sheet.277 Sheet.278 Sheet.279 Sheet.280 Sheet.281 Line.308 Line.311 Left arrow.312 Line.313 Sheet.286 Connector 1.61 Connector 1.62 Connector 1.63 Sheet.308 Sheet.380 Sheet.409 Sheet.410 Sheet.411 Sheet.412 Sheet.413 Sheet.414 Sheet.415 Sheet.416 Sheet.417 Sheet.418 Line.308 Line.311 Left arrow.312 Line.313 Sheet.423 Connector 1.61 Connector 1.62 Connector 1.63 Sheet.427 Sheet.445 Path Control Path Control Path Control Sheet.1 Sheet.2 Sheet.3 Sheet.4 JP214 JP214 JP214 Buck Regulator Buck Regulator Buck Regulator USB-C USB-C USB-C USB-C Sheet.206 Sheet.207 Sheet.208 Sheet.209 Sheet.210 Sheet.211 Sheet.212 Sheet.213 Sheet.214 Sheet.215 Sheet.216 Sheet.217 Sheet.218 Resistor - Fixed Sheet.94 Sheet.95 Sheet.96 Sheet.97 Sheet.98 Sheet.99 Sheet.100 Sheet.101 Sheet.102 Sheet.103 Sheet.104 Sheet.105 Sheet.106 Connector.231 Connector.232 Connector.233 Sheet.110 Sheet.113 Sheet.114 Connector 1.115 Sheet.116 Chassis Ground.124 Sheet.125 Sheet.126 Sheet.173 Sheet.174 Sheet.175 Sheet.176 Sheet.177 Sheet.178 Sheet.179 Sheet.180 Sheet.181 Sheet.182 Sheet.183 Sheet.184 Sheet.185 Connector.231 Connector.232 Connector.233 Sheet.189 Sheet.192 Sheet.193 Connector 1.194 Sheet.195 Chassis Ground.196 Sheet.197 Sheet.198 Sheet.200 Sheet.201 Sheet.463 Sheet.464 Sheet.467 Sheet.238 Sheet.239 Resistor - Fixed.128 Sheet.241 Resistor - Fixed Chassis Ground Sheet.244 Sheet.245 Sheet.230 Sheet.231 Resistor - Fixed.128 Sheet.237 Resistor - Fixed Chassis Ground Sheet.235 Sheet.236 Sheet.469 Sheet.470 Sheet.471 Sheet.472 Sheet.473 Connector 1.156 Sheet.475 Connector 1.156.476 Sheet.477 Sheet.478 Sheet.479 Connector 1.156.480 Sheet.481 3.3V 3.3V 3.3V CC CC CC Sheet.484 Sheet.485 Sheet.486 5-20V/5A VBUS 5-20V/5A VBUS 5-20V/5AVBUS Connector 1.156.488 Sheet.489 Sheet.490 Connector 1.156.491 Sheet.255 Sheet.256 Sheet.258 Sheet.257 Sheet.259 Sheet.260 Sheet.261 Sheet.262 Line.34 Line.35 Left arrow.36 Line.37 Sheet.268 Connector 1.156.269 Connector 1.156.270 Connector 1.156.271 Sheet.307 Sheet.391 Sheet.392 Sheet.393 Sheet.394 Sheet.395 Sheet.396 Sheet.397 Sheet.398 Sheet.399 Line.400 Line.401 Left arrow.402 Line.403 Sheet.404 Connector 1.405 Connector 1.406 Connector 1.407 Sheet.408 Sheet.429 Sheet.430 Sheet.431 Sheet.432 Sheet.433 Sheet.434 Sheet.435 Sheet.436 Sheet.437 Sheet.439 Sheet.440 Sheet.442 Sheet.443 Sheet.444 Sheet.446 Sheet.447 Connector 1.448 Sheet.449 Connector 1.156.450 Sheet.452 Sheet.453 Connector 1.156.454 Sheet.455 Input Buck-Boost Converter Buck-Boost Converter Buck-Boost Converter Sheet.459 Sheet.460 Sheet.461 Sheet.462 Output Voltage Setting Output Voltage Setting Output Voltage Setting Output Current Setting Output Current Setting Output Current Setting Sheet.497 Connector 1.156.498 Sheet.499 Sheet.500 Sheet.501 Sheet.503 DC Out DC Out DC Out Sheet.505 Sheet.506 Sheet.508 Sheet.509 Sheet.511 Sheet.512 Sheet.514 Sheet.515 Connector 1.156.516 Connector 1.156.517 5V/9V/12V/15V/18V/20V 1A/2A/3A/4A/5A Selectable up to 100W 5V/9V/12V/15V/18V/20V 1A/2A/3A/4A/5A Selectable up to 100W 5V/9V/12V/15V/18V/20V 1A/2A/3A/4A/5A Selectable up to 100W Discharge RJK0651DPB Discharge Discharge USB PD Controller USB PD Controller USB PD Controller USB PD Controller ADC ADC ADC I2C I2C I2C Sheet.545 Sheet.556 Sheet.557 Sheet.558 Sheet.572 MOSFET 1 MOSFET x2 MOSFET x2 Sheet.24 Sheet.25 Sheet.27 Sheet.28 Sheet.29 Sheet.30 Sheet.32 Sheet.33 Sheet.34 Sheet.35 Sheet.36 Sheet.37 Sheet.38 Connector 1.156.39 Connector 1.156.40 Connector 1.156.41 Sheet.562 Sheet.563 Sheet.47 Sheet.48 Sheet.49 Sheet.50 Sheet.51 Sheet.52 Sheet.53 Sheet.54 Line.308 Line.311 Left arrow.312 Line.313 Sheet.60 Connector 1.61 Connector 1.62 Connector 1.63 Sheet.573 MOSFET 2 MOSFET x2 MOSFET x2 Sheet.565 Sheet.566 Sheet.137 Sheet.138 Sheet.140 Sheet.141 Sheet.143 Sheet.144 Sheet.145 Line.146 Line.147 Left arrow.148 Line.149 Sheet.150 Connector 1.151 Connector 1.152 Connector 1.153 Sheet.142 Sheet.156 Sheet.157 Sheet.158 Sheet.159 Sheet.160 Sheet.161 Sheet.162 Sheet.163 Sheet.164 Line.165 Line.166 Left arrow.167 Line.168 Sheet.169 Connector 1.170 Connector 1.171 Connector 1.172 Sheet.191 Sheet.190 Sheet.112 Sheet.111 Sheet.451 Sheet.26 Sheet.139 Sheet.202

MOSFET

Power MOSFETs

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)