ZHCSER7C October 2015 – November 2018 DRV8885
PRODUCTION DATA.
If the die temperature exceeds safe limits, all FETs in the H-bridge will be disabled and the nFAULT pin will be driven low. Once the die temperature has fallen to a safe level operation will automatically resume. The nFAULT pin will be released after operation has resumed.
| FAULT | CONDITION | ERROR REPORT | H-BRIDGE | CHARGE PUMP | INDEXER | DVDD | RECOVERY |
|---|---|---|---|---|---|---|---|
| VM undervoltage (UVLO) | VM < VUVLO
(max 7.8 V) |
nFAULT | Disabled | Disabled | Disabled | Disabled | VM > VUVLO
(max 8.0 V) |
| VCP undervoltage (CPUV) | VCP < VCPUV
(typ VM + 2.0 V) |
nFAULT | Disabled | Operating | Operating | Operating | VCP > VCPUV
(typ VM + 2.7 V) |
| Overcurrent (OCP) | IOUT > IOCP
(min 2.1 A) |
nFAULT | Disabled | Operating | Operating | Operating | tRETRY |
| Thermal Shutdown (TSD) | TJ > TTSD
(min 150°C) |
nFAULT | Disabled | Operating | Operating | Operating | TJ < TTSD - THYS
(THYS typ 20°C) |