Infineon Technologies REF_XDPS21081_65W1 USB-PD SMPS Reference Design

Infineon Technologies REF_XDPS21081_65W1 USB-PD SMPS Reference Design features a digital flyback controller, 600V CoolMOS™ C7 Superjunction MOSFET, OptiMOS™ PD synchronous-rectification MOSFET, a 30V OptiMOS™ MOSFET which serves as a safety switch and a small-signal-MOSFET. The Reference Design meets various regulatory limits and allows for small form factor designs.

The Infineon REF_XDPS21081_65W1 USB-PD SMPS Reference Design is a 65W USB-PD type C charger with a universal input voltage range of 90VAC~264VAC. The Design supports a 5V/3A, 9V/3A, 12V/3A, 15V/3A, and 20V/3.25A output.

Features

Universal input voltage range 90~264VAC
Up to 65W continuous power with peak efficiency of more than 93%

Fixed output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A
Meets EU CoC Tier 2 and DoE Energy Star Level VI average efficiency and no-load input power requirements

Applications

USB-PD
Charging
Consumer goods

Power supply
SMPS

List of Components

• Forced Quasi-Resonant ZVS Flyback Controller (XDPS21081)
• 600V CoolMOS™ C7 Power Transistor (IPL60R185C7)
• OptiMOS™ Small-Signal Transistor (BSL606SN)
• OptiMOS™ 5 100V Power Transistor (BSC0802LS)
• OptiMOS™ PD Power Transistor (BSZ0905PNS)

Simplified demo circuit

Infineon Technologies REF_XDPS21081_65W1 USB-PD SMPS Reference Design

PCB Layout

Infineon Power and Sensing Selection Guide