ZHCSFZ1A January 2017 – July 2018 DRV8886
UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.
If the die temperature exceeds TTSD level, all MOSFETs in the H-bridge are disabled and the nFAULT pin is driven low. When the die temperature falls below the TTSD level, operation automatically resumes. The nFAULT pin is released after operation resumes.
| FAULT | CONDITION | ERROR REPORT | H-BRIDGE | CHARGE PUMP | INDEXER | DVDD | AVDD | RECOVERY |
|---|---|---|---|---|---|---|---|---|
| VM undervoltage (UVLO) | VM < VUVLO
(max 7.8 V) |
nFAULT | Disabled | Disabled | Disabled | Operating | Disabled | VM > VUVLO
(max 8 V) |
| VCP undervoltage (CPUV) | VCP < VCPUV
(typ VM + 2 V) |
nFAULT | Disabled | Operating | Operating | Operating | Operating | VCP > VCPUV
(typ VM + 2.7 V) |
| Overcurrent (OCP) | IOUT > IOCP
(min 3 A) |
nFAULT | Disabled | Operating | Operating | Operating | Operating | tRETRY |
| Thermal shutdown (TSD) | TJ > TTSD
(min 150°C) |
nFAULT | Disabled | Operating | Operating | Operating | Operating | TJ < TTSD – THYS
(THYS typ 20°C) |