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TPS65150: TPS65150电压输出异常

Part Number: TPS65150

请教下,按照这个电路,Vdisp最后输出只有5V,VGH和VGL均无输出,烦请帮分析下原因,谢谢!

测试R13电阻只有80K左右,拆出来测试电阻值820K没问题。