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drv8711芯片高发热,冲电泵的电压只有9.7v,怎样提高充电泵的电压?

Other Parts Discussed in Thread: DRV8711drv8711芯片高发热,功率受到影响。手册上说充电泵的 电压是12v,可实际电压只有9.7v,这是导致芯片发热的主要原因。那么,怎样提高充电泵的电压呢?