DRV8305_16 Datasheet, PDF (38/59 Pages) Texas Instruments – Three Phase Gate Driver

DRV8305
SLVSCX2B – AUGUST 2015 – REVISED FEBRUARY 2016
7.6.1.3 IC Faults (Address = 0x3)
Table 11. IC Faults Register Description
BIT
R/W
NAME
DEFAULT
DESCRIPTION
10
R
PVDD_UVLO2
0x0
PVDD undervoltage 2 fault
9
R
WD_FAULT
0x0
Watchdog fault
8
R
OTSD
0x0
Overtemperature fault
7
R
RSVD
0x0
-
6
R
VREG_UV
0x0
VREG undervoltage fault
5
R
AVDD_UVLO
0x0
AVDD undervoltage fault
4
R
VCP_LSD_UVLO2
0x0
Low-side gate supply fault
3
R
RSVD
0x0
-
2
R
VCPH_UVLO2
0x0
High-side charge pump undervoltage 2 fault
1
R
VCPH_OVLO
0x0
High-side charge pump overvoltage fault
0
R
VCPH_OVLO_ABS
0x0
High-side charge pump overvoltage ABS fault
7.6.1.4 VGS Faults (Address = 0x4)
Table 12. Gate Driver VGS Faults Register Description
BIT
R/W
NAME
10
R
VGS_HA
9
R
VGS_LA
8
R
VGS_HB
7
R
VGS_LB
6
R
VGS_HC
5
R
VGS_LC
4:0
R
RSVD
DEFAULT
0x0
0x0
0x0
0x0
0x0
0x0
0x0
DESCRIPTION
VGS gate drive fault for high-side MOSFET A
VGS gate drive fault for low-side MOSFET A
VGS gate drive fault for high-side MOSFET B
VGS gate drive fault for low-side MOSFET B
VGS gate drive fault for high-side MOSFET C
VGS gate drive fault for low-side MOSFET C
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