DRV8432: Static power consumption of DRV8432

Yang Wang

Part Number: DRV8432

Is there has the data of Static power consumption of DRV8432, PVDD=25V and 50V, in PBTL、BTL、SE mode. For there is only static power consumption of GVDD in datasheet.

over 2 years ago

+1 Ryan Kehr over 2 years ago

TI__Guru 54645 points

Yang,

For PVDD current, it is specified in the datasheet for the RESET condition. For active state, the current will be the current flowing in the bridge as PVDD is only connected to the internal MOSFETs.

Regards,

Ryan

0 Yang Wang over 2 years ago in reply to Ryan Kehr

TI__Prodigy 385 points

Hi Ryan，

Thank you for your reply！ I want to know when turn off RESET mode and IC is on， but there is no input signal， in this condition， how much is the PVDD current？

0 Yang Wang over 2 years ago in reply to Ryan Kehr

TI__Prodigy 385 points

Hi Ryan，

My customer Harman use this power stage as a lass-D audio amp， so we concern that if there is no music signal input， but also a 50% duty PWM input， in this condition， how much is the total power consumption ？

+1 Ryan Kehr over 2 years ago in reply to Yang Wang

TI__Guru 54645 points

Yang,

Again, if there is no current in the load, then there will be no current from PVDD. PVDD only supplies the high-side internal FETs. It is completely dependent on the load conditions. If no voltage drop across the load, it should be nearly zero.

Regards,

Ryan

Motor drivers

Motor drivers forum

DRV8432: Static power consumption of DRV8432