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BQ40Z60的降压MOSFET驱动，板子按照EVM的设计MOSFET选用跟EVM上同型号的。但是在40Z60在驱动的时候PWM波被拉变形了。未接上MOSFET示波器观察正常。这是什么问题
ji检查以下MOSFET的驱动电流是否过大， 或者MOSFET的g级漏电流过大。
