DRV8452: "Junction-to-ambient thermal resistance RθJA” between DRV8452 and DRV8434

Shotaro Sakai

Expert 3410 points

Part Number: DRV8452
Other Parts Discussed in Thread: DRV8434,

Hello team,

Can you tell me the reason why RθJA value is different in spite of same package?

Best regards,

Shotaro

over 2 years ago

+1 Pablo Armet over 2 years ago

TI__Mastermind 37683 points

Hi Shotaro,

The thermal metrics are a factor of package, leadframe, and Die size. Although the package is the same, the leadframe and Die size are different between these two drivers.

Regards,

Pablo Armet

Motor drivers

Motor drivers forum

DRV8452: "Junction-to-ambient thermal resistance RθJA” between DRV8452 and DRV8434