65W USB-PD switching power supply reference design using XDPS21081

This is a reference design for a 65W USB-PD type C charger with a small form factor. Reference designs are designed to demonstrate performance by meeting various industry specifications and allowing for small form factor design requirements. Using Infineon digital flyback controller XDPS21081, 600V CoolMOS™ C7 superjunction MOSFET (IPL60R185C7), OptiMOS™ PD synchronous rectification MOSFET (BSC0802LS), 30V OptiMOS™ MOSFET (BSZ0905PNS) as a safety switch, small signal MOSFET (BSL606SN) and the EZ-PD™ CCG3PA USB Type-C controller.

This 65W USB-PD3.0 type C charger has a universal input voltage range of 90~264 VAC. The supported output voltages are 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A. It has a peak efficiency of 93% and low standby input power of less than 65mW.

Feature description

Universal input voltage range 90~264VAC
continuous power up to 65W, with peak efficiency greater than 93%
Fixed output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A
compliant with EU CoC Level 2 and US DoE Energy Star Level VI average efficiency and no-load input power requirements

Advantage

Easy to customize, compact appearance,
high efficiency, low standby power consumption, meeting international industry standards

Potential applications

USB-PD
charging
consumer products
power
switching power supply