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BQ40Z80: 4灯LED应用中,当LED1亮起时,LED3也会同时亮(微弱)

Part Number: BQ40Z80


Hi 大家好!

在BQ40Z80的4灯LED应用中,某些场景只需要LED1闪烁,但当LED1闪烁时LED3也会跟着闪(微弱)。将电路修改为6灯应用,则由于LED5钳位,仅LED5与LED1同时闪,LED3不亮。

似乎LED1闪烁时,LEDC管脚不处于高阻态?是否修改配置或电路可以避免?