ZHCSMP9 November 2021 DRV8231A
PRODUCTION DATA
The DRV8231A device enters a fault mode when a fault is encountered. This is utilized to protect the device and the output load. The device behavior in the fault mode is described in Table 8-4 and depends on the fault condition. The device will leave the fault mode and re-enter the active mode when the recovery condition is met.
| FAULT | CONDITION | H-BRIDGE | INTERNAL CIRCUITS | RECOVERY |
|---|---|---|---|---|
| VM undervoltage (UVLO) | VM < VUVLO,falling | Disabled | Disabled | VM > VUVLO,rising |
| Overcurrent (OCP) | IOUT > IOCP | Disabled | Operating | IOUT < IOCP |
| Thermal Shutdown (TSD) | TJ > TTSD | Disabled | Operating | TJ < TTSD – THYS |