走马观花

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Overview

vesc75300, it is verified that it can be driven, but I don’t know whether it was a misoperation or a design problem that caused the MCU to burn out. Due to personal energy, financial resources and other reasons, it has been put on hold indefinitely. Commercial use without permission is prohibited, and verification must be open source. It is best to replace ldo with rt9193 and 3.3v tantalum capacitor with tvs (such as smaj3.3). My abilities are limited, so please don’t criticize me. I hope someone can improve this solution.
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at the end, conflict! My superman!
2022 06 26 Latest news, after replacing the drive resistor with 22 ohms, the drive was successful, and the vbus was much more stable than before.

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Update:2025-06-23 13:01:53

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