8000 CH343 (CH9102F) Reports Wrong bMaxPower · Issue #65 · WCHSoftGroup/ch343ser_linux · GitHub
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CH343 (CH9102F) Reports Wrong bMaxPower #65

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IsaacNez opened this issue May 19, 2025 · 0 comments
Open

CH343 (CH9102F) Reports Wrong bMaxPower #65

IsaacNez opened this issue May 19, 2025 · 0 comments

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@IsaacNez
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Using usbmon, the bMaxPower is 0x44 or 136mA. This causes our devices (ESP32) to get stuck. Is there a way to fix this at the driver level or should I change the CH9102F?

This only happens on Linux. MacOS and Windows report bMaxPower to be 500mA (USB2.0 standard)
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