SLVSE39B November 2017 – July 2018 DRV8304
UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.
Refer to the PDF data sheet for device specific package drawings
The DRV8304 device is fully protected against VM undervoltage, charge pump undervoltage, MOSFET VDS overcurrent, gate driver shorts, and overtemperature events.
FAULT | CONDITION | CONFIGURATION | REPORT | GATE DRIVER | LOGIC | RECOVERY |
---|---|---|---|---|---|---|
VM undervoltage
(UVLO) |
VVM < VUVLO | — | nFAULT | Hi-Z | Disabled | Automatic:
VVM > VUVLO |
Charge pump undervoltage
(CPUV) |
VVCP < VCPUV | DIS_CPUV = 0b | nFAULT | Hi-Z | Active | Automatic:
VVCP > VCPUV |
DIS_CPUV = 1b | None | Active | Active | |||
VDS overcurrent
(VDS_OCP) |
VDS > VVDS_OCP | OCP_MODE = 00b | nFAULT | Hi-Z | Active | Latched:
CLR_FLT, ENABLE Pulse |
OCP_MODE = 01b | nFAULT | Hi-Z | Active | Retry:
tRETRY |
||
OCP_MODE = 10b | nFAULT | Active | Active | No action | ||
OCP_MODE = 11b | None | Active | Active | No action | ||
VSENSE overcurrent
(SEN_OCP) |
VSP > VSEN_OCP | OCP_MODE = 00b | nFAULT | Hi-Z | Active | Latched:
CLR_FLT, ENABLE Pulse |
OCP_MODE = 01b | nFAULT | Hi-Z | Active | Retry:
tRETRY |
||
OCP_MODE = 10b | nFAULT | Active | Active | No action | ||
OCP_MODE = 11b or DIS_SEN = 1b | None | Active | Active | No action | ||
Gate driver fault
(GDF) |
Gate voltage stuck > tDRIVE | DIS_GDF = 0b | nFAULT | Hi-Z | Active | Latched:
CLR_FLT, ENABLE Pulse |
DIS_GDF = 1b | None | Active | Active | No action | ||
Thermal warning
(OTW) |
TJ > TOTW | OTW_REP = 1b | nFAULT | Active | Active | Automatic:
TJ < TOTW – THYS |
OTW_REP = 0b | None | Active | Active | No action | ||
Thermal shutdown
(OTSD) |
TJ > TOTSD | — | nFAULT | Hi-Z | Active | Automatic:
TJ < TOTSD – THYS |