quetions about TPS65381

Jiaming Sun

Other Parts Discussed in Thread: TMS570LS3137

I make several boards using TPS65381 to supply voltage for TMS570LS3137 ,most work well ,but 2 TPS65381 don't work .The 27 pin VDD6 don't give 6V voltage ,but 10.87V , I want to know why ,

hope to get answer soon.Thank you.

over 12 years ago

0 Haixiao Weng over 12 years ago

TI__Genius 13810 points

I think it is a hardware problem. Did you short the pin 28 and 29? or pin27 does not solder well? I think should check the assembly around pin 27, 28,29 to find out the problem.

Regards,

Haixiao

0 Jiaming Sun over 12 years ago in reply to Haixiao Weng

Expert 1300 points

Thank you for your reply ,I have found the problem ,because the inductance for pin 28 is not soldef well.

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quetions about TPS65381