5W/1A mini charger design based on iW1700-01, including circuit diagram, PCB diagram, PCB layout, component list, test number

Summary:

This reference design is an isolated flyback power adapter that supports universal AC input (90-264VAC), 5V/1A output. This reference design is based on iWatt's W1700-01 device. This reference design includes the design of the power adapter. Complete power specification, detailed circuit diagram, bill of materials, and test data with important performance.

Main features:

  • AC input range: 90-264V AC
  • DC output: 5V, 1.00–1.20A (CC)
  • Meet "ZeroPower" no-load standby power requirements
  • Meets the requirements of "EPA2.0", 26AWG/1.2m DC cable
  • Meets the dynamic load response requirements of "USB 3.0"
  • Meet the "MoU" regulations

PCB diagram of mini charger

Mini charger circuit diagram

PCB layout of mini charger

Test result data

iW1700-01 5V1A mini charger reference design see PDF document

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