[ DRV8303 ] Bulk Capacitance for PVDD
Hi,
The selection of bulk cap for PVDD is always discussion at my customer side. Can anyone help me to understand more about bulk cap selection?
- DRV8303 for 3 phase BLDC
- Output power: more than 200W (rated), more than 400W (peak)
- Peak current: around 30A - 40A
- PVDD: around 40V
For circuit above, my customer uses 2200uF, but always discuss whether this value is enough or not. (or may be too small)...
I know that the DRV8301 datasheet has some description about Bulk Capacitance, but if someone know further more information, it's really helpful.
Regards,
Ken