Part Number:DRV8320
Hi,
My customer has a question.
In the designs with DRV8320, can three current sense resistors be used?
My cutomer refered the description in the datahseet of CSD88599 as shown in below. This is the background the question.
However, for cost sensitive applications, current sensors are generally replaced with current sense resistors.
• For designs using the 60-V three-phase smart gate driver DRV8320SRHBR, only one current sense resistor
RCS can be placed between common source terminals for all three power block devices CSD88599Q5DC to
PGND as depicted in Figure 22 above.
• For designs using the 60-V three-phase gate driver DRV8323RSRGZT, three current sense resistors RCS1,
RCS2, and RCS3 can be used between each CSD88599Q5DC source terminals to GND. The three-phase
driver IC should be placed as close as possible to the power block gate GL and GH terminals.
Best Regards, Taki