5V, 1A ultra-thin charger design based on iW1677-00

EG129N+00

SEMTECH RCLAMP0524P SLP2510P8 5V ES

Summary:

This reference design supports a universal AC input, 5V/1A output isolated flyback power adapter. It is based on iWatt's iW1677-00 device. This reference design contains a complete specification of the power adapter, a detailed circuit diagram, a bill of materials, and test data with important performance.

Design features:

• AC input range: 90-264V AC
• DC output 5V, 1.00-1.10A
• Satisfied - "30mW" no-load standby power requirements
• Satisfied - "EPA2.0" requirements
• Meet - "USB3.0" dynamic load response requirements
• Satisfied - "MoU" requirements

Ultra-thin charger PCB angle diagram

Ultra-thin charger circuit diagram

Ultra-thin charger PCB layout

Test result data

iW1677-00 5V, 1A ultra-thin charger reference design see PDF document