SLVSFU5B February 2020 – August 2021 DRV8220
PRODUCTION DATA
The DRV8220 enters fault mode when encountering a fault. This protects the device and the output load. Device behavior in fault mode depends on the fault condition, as described in Section 8.3.3 and depends on the fault condition. The device leaves the fault mode and re-enters active mode once the recovery condition is met. Table 8-9 summarizes the fault conditions, response, and recovery.
FAULT | CONDITION | H-BRIDGE | RECOVERY |
---|---|---|---|
Undervoltage Lockout (UVLO) | VM < VUVLO falling | Disabled | VM > VUVLO rising |
Overcurrent (OCP) | IOUT > IOCP | Disabled | tRETRY |
Thermal Shutdown (TSD) | TJ > TTSD | Disabled | TJ < TTSD – THYS |