Part Number: TPS25762-Q1
Hi Teams,
he customer is using TI's USB PD controller TPS25762-Q1, and the PD charging function is normal. However, a problem was found in the experiment, which is that different devices have different performance when plugged in externally
USB flash drive: normal read and write operations
PAD: PD charging is normal, but the device cannot be recognized. If the device is connected to our domain controller through a USB HUB, it can
Pico VR device: PD charging is normal, but the device cannot be recognized. Not even through USB HUB
They suspected that there was a negotiation issue with the DFP UFP role, but the PD did indeed output voltage normally, so they were very puzzled. Request technical support
The customer's design is shown in the following figure, but it is connected to a TypeC interface externally, without a battery inside, and directly connected to a DCDC output. The goal is to only provide external power supply,
