Infineon has released a reference design, REF_140W_HFB_PAG2S, that was developed for USB-PD adaptor use. The design has a wide input range of 90 to 264 V AC, 50-60 Hz, and supports an output voltage range of 5 to 28 V(USB-PD 3.1 specification).
It features the industry’s first PD3.1 28 V EPR secondary-side controller EZ-PD PAG2S-PS that integrates ISB PD and synchronous rectification. The primary controller is a hybrid flyback combination controller XDPS2221.
The circuit also provides for firmware upgrade availability. With a low standby consumption of less than 75 mW, and a small form factor, this reference design is suitable for use in designs where high power density is required.
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