When a LOCK_ILIMIT event happens in
this mode, the status of external MOSFETs will be configured by LOCK_ILIMIT_MODE and
nFAULT is driven low. Status of external MOSFETs driven from MCF8329A-Q1 during LOCK_ILIMIT:
- LOCK_ILIMIT_MODE = 0100b or
0101b: All MOSFETs are turned OFF, the gate driver outputs pulled low.
- LOCK_ILIMIT_MODE = 0110b or
0111b: All low-side MOSFETs (gate driver outputs) are turned ON
The CONTROLLER_FAULT and LOCK_ILIMIT bits are set to 1b in the fault status
registers. Normal operation resumes automatically (gate driver operation and the
nFAULT pin is released) after the t
LCK_RETRY (configured by LCK_RETRY)
time lapses. The CONTROLLER_FAULT and LOCK_ILIMIT bits are reset to 0b after the
t
LCK_RETRY period expires.