TAS5630B: TAS5630 failure(IC permanently damaged)

Prodigy 120 points

Replies: 6

Views: 47

Part Number: TAS5630B

Dear all, Please help me.

I make TAS5630 PCB. It good sound. After 3 hours of checked sound. 

It have 4ohm speaker.

I have not turned off the  power.

I don't give input, Only have white noise. 

The next morning I checking sound 30minutes.  But IC have permanently damaged.

One IC BST_D short to GND(30 ohm) and GVDD short to GND.(30 ohm).

Another IC OUT_C short to GND(120 ohm).

I don't know cause. 

6 Replies