| Off (this is not an operating mode) | ANY STATE- On POR from loss of all supply
| SLEEP- POR is RESET when supply input is available
| Nothing powered |
| SLEEP | OFF | CONFIG /ACTIVE through INIT & ABIST- CS= 0 AND VDD > VDD_UVLOR
A Dummy SPI command will wake the device from SLEEP | - VOUTx OFF
- Digital OFF
- Registers Lost
- IVBB = IVBBSLEEP (~1’s μA)
- IVDD = IVDDSLEEP (~sub μA)
|
| CONFIG/ACTIVE | SLEEP through INIT & ABISTLOW POWER MODE through ABIST- LPM Exit SPI OR
- Load current increase
LIMP HOME- VDD > UVLOR AND
- "LH_STAT" = 1 AND
- LHI pin is low
| SLEEP LOW POWER MODELIMP HOME- VDD < UVLOF OR
- SPI WD failure if set OR
- LHI pin pulled HI
| - All registers can be configured
- VOUTx ON/OFF
- On state diagnostics available
- FLT reporting
- OL on state
- All ISNS, VSNS, TSNS
- IVDD = Full IQ
- IVBB = Full IQ
|
| LOW POWER MODE (LPM) | ACTIVE | ACTIVE through ABIST- LPM Exit SPI OR
- Load current increase
| - High RON
- Digital mostly off
- Register values held
- IVDD = IDDLPM (~12 μA)
- IVBB = IQLPM (~ 4 μA/ch)
|
| VBB_UVLO | CONFIG/ACTIVE- VBB < UVLOF AND
- !POR AND
- VDD > UVLOR
| CONFIG/ACTIVE- VBB > UVLOF AND
- !POR AND
- VDD > UVLOR
| - VOUTx OFF
- Digital ON
- Register Values Kept
- SPI communication and diagnostics not supported
|
| LIMP HOME | CONFIG/ACTIVE- VDD < UVLOF OR
- LHI pin HI OR
- SPI WD failure, if set
| CONFIG/ACTIVE- VDD > UVLOR AND
- "LH_STAT" = 1 AND
- LHI pin is low
| - VOUTx set by LHI_IN or DIx
- Digital ON
- Register values kept, if initialized
- SPI communication and diagnostics supported, if VDD high
|