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TPS61196: 单独主芯片可以正常点亮背光,并从芯片背光上电闪一下就熄灭。

Part Number: TPS61196


只用一块tps61196主芯片可以正常点亮背光,但是并上从芯片背光上电闪一下就熄灭了。断掉主芯片REF和从芯片COMP的连接主芯片可以正常点亮背光,但是从芯片无法点亮。不知道是什么原因?救救!