DRV8320 Datasheet, PDF (52/80 Pages) Texas Instruments – 6 to 60-V Three-Phase Smart Gate Driver

DRV8320, DRV8320R
DRV8323, DRV8323R
SLVSDJ3 – FEBRUARY 2017
www.ti.com
8.6.1.2 Fault Status Register 2 (address = 0x01h)
The fault status register 2 is shown in Figure 45 and described in Table 12.
Register access type: Read only
Figure 45. Fault Status Register 2
10
SA_OC
R-0b
9
SB_OC
R-0b
Bit Field
10
SA_OC
9
SB_OC
8
SC_OC
7
OTW
6
CPUV
5
VGS_HA
4
VGS_LA
3
VGS_HB
2
VGS_LB
1
VGS_HC
0
VGS_LC
8
SC_OC
R-0b
7
OTW
R-0b
6
CPUV
R-0b
5
VGS_HA
R-0b
4
VGS_LA
R-0b
3
VGS_HB
R-0b
2
VGS_LB
R-0b
1
VGS_HC
R-0b
0
VGS_LC
R-0b
Table 12. Fault Status Register 2 Field Descriptions
Type
R
R
R
R
R
R
R
R
R
R
R
Default
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
Description
Indicates overcurrent on phase A sense amplifier (DRV8323xS)
Indicates overcurrent on phase B sense amplifier (DRV8323xS)
Indicates overcurrent on phase C sense amplifier (DRV8323xS)
Indicates overtemperature warning
Indicates charge pump undervoltage fault condition
Indicates gate drive fault on the A high-side MOSFET
Indicates gate drive fault on the A low-side MOSFET
Indicates gate drive fault on the B high-side MOSFET
Indicates gate drive fault on the B low-side MOSFET
Indicates gate drive fault on the C high-side MOSFET
Indicates gate drive fault on the C low-side MOSFET
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