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TPA2005D1-Q1 Does not switching

Other Parts Discussed in Thread: TPA2005D1-Q1, TPA2005D1, TPD2E2U06-Q1

Hello,

Customer tested TPA2005D1-Q1 on their trial board and no Vo+/Vo- switching with load and no load as attached file.

E2E_TPA2005D1-Q1.pptx

 

They tried to remove two 0.1uF capacitor at Vo+/Vo- terminal and Vo+/Vo- becomes switching, and can hear sin wave form speaker. 

 

Please explain the reason of no Vo+/Vo- switching with 0.1uF capacitor.

Did short circuit detect worked?

 

Best Regards.