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求助贴TPA2014

求助,各位大神,自己做的板子,TPA2014的引脚SDb,无论给高电平还是低电平,升压之后的VCC都会等于供电电源电压VDD,电感用5.6uH.5A的,电阻配置成463KΩ和51KΩ,想知道是我哪里配置错了吗,感谢