Part Number:DRV8701
Hi team,
The customer is using DRV8701P. The customer's issue is once the power is supplied for his board, all Mosfets are disable.
a. VM is 12.3V and it is stable. VCP is 22V. VREF is set 3V. AVDD is 4.8V and DVDD is 3.3V.
b. SNSOUT pin is the high level. nsleep pin is the high level.
c. The IN1,IN2,nFault,GH1,GL1,GH2,GL2,SH1 and SH2 waveforms are in the attach. nFault pin is the low level for a long time.
d. Please check the customer's schematic in the attach.
(Please visit the site to view this file)
GH1_1
GH1_2
GH2
GL1
GL2
IN1
IN2
nFault
SH1
SH2
Would you provide some suggestions for the customer's issue?
Best Wishes,
Mickey Zhang
Asia Customer Support Center
Texas Instruments
