TPS40322: overshoot when its power on

FRANK1

Expert 7835 points

Part Number: TPS40322

Hi Team,

Can you help me to review the schematic? and provide some advice.

Thanks a lot.

问题整理 (1).docx

原理.pdf

over 2 years ago

0 Derrick Su over 2 years ago

TI__Intellectual 2845 points

Hi Frank,

Could you try to reduce the switching frequency and larger soft start time? And measure output voltage, PWM signal with a better resolution waveforms.

And what does "There is no overshoot when its input P12V." mean?

Power management

Power management forum

TPS40322: overshoot when its power on