DRV8305_15 Datasheet, PDF (33/53 Pages) Texas Instruments – DRV8305 Three Phase Gate Driver With Current Shunt Amplifiers and Voltage Regulator

www.ti.com
7.6.5 0x3 IC Faults
BIT
R/W
10
R
9
R
8
R
7
R
6
R
5
R
4
R
3
R
2
R
1
R
0
R
DRV8305
SLVSCX2A – AUGUST 2015 – REVISED SEPTEMBER 2015
Table 12. IC Faults Register Description
NAME
PVDD_UVLO2
WD_FAULT
OTS
Reserved
VREG_UV
AVDD_UVLO
VCP_LSD_UVLO
Reserved
VCPH_UVLO
VCPH_OVLO
VCPH_OVLO_ABS
DEFAULT
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
DESCRIPTION
PVDD undervoltage 2 fault
Watchdog fault
Overtemperature fault
VREG undervoltage fault
AVDD undervoltage fault
Charge pump low-side gate driver fault
Charge pump high-side undervoltage 2 fault
Charge pump high-side overvoltage fault
Charge pump high-side overvoltage ABS fault
7.6.6 0x4 Gate Driver VGS Faults
Table 13. Gate Driver VGS Faults Register Description
BIT
R/W
NAME
DEFAULT
DESCRIPTION
10
R
FETHA_VGS
0x0
VGS monitor fault for high-side FET A
9
R
FETLA_VGS
0x0
VGS monitor fault for low-side FET A
8
R
FETHB_VGS
0x0
VGS monitor fault for high-side FET B
7
R
FETLB_VGS
0x0
VGS monitor fault for low-side FET B
6
R
FETHC_VGS
0x0
VGS monitor fault for high-side FET C
5
R
FETLC_VGS
0x0
VGS monitor fault for low-side FET C
4:0
R
Reserved
0x0
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: DRV8305
Submit Documentation Feedback
33