2.6.10 Buck4
Status
| Name: | STS-B4 |
| Address: | 0x08 |
| Default: | 0x00 |
| Property: | R/RoR |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| | FLT | HICCUP | ILIMNEG | ZCD | Reserved | SSD | POK | ENS | |
| Access | R/RoR | R/RoR | R/RoR | R/RoR | R | R | R | R | |
| Default | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bit 7 – FLT Fault flag bit
(latched) for Buck4
FLT is set to 1 if
HICCUP = 1 or if (ENS = 1 and SSD = 1 and POK = 0).
Bit 6 – HICCUP Hiccup flag bit
(latched)
If the HS OC Event
counter reaches EOC and POK is low, the HICCUP flag is latched. The behavior of the
system is determined by the HCPEN bit.
Bit 5 – ILIMNEG Negative current
limit flag bit (latched)
If the negative
current limit threshold is reached, the ILIMNEG flag is
latched.
Bit 4 – ZCD Zero-Current
crossing Detection flag (latched)
This bit is set
every time the ZCD is enabled (in Auto-PFM mode) and the ZCD comparator
trips.
Bit 3 – Reserved
Bit 2 – SSD Soft-Start Done
status bit (not latched)
SSD = 1 means the
regulator is enabled and has completed the soft-start ramp.
Bit 1 – POK Power OK status bit
(not latched)
POK reflects the
instantaneous value of the POK comparator output.
Bit 0 – ENS Enable status bit
(not latched)
ENS = 1 means the
regulator is currently enabled.
