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bq76930-Alert pin的下拉电阻

zehua hu
Expert 1255 points


Hi ，

手册上写到“An external pull-down resistor of 500 kΩ–1 MΩ from ALERT to VSS is highly recommended.”

好像这个下拉电阻，过大和过小都不行，请问是为什么？

谢谢！