User Manual
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V 1.0
2021-08-25
XDPP1100 technical reference manual
Digital power controller
Fault handler
Peripheral Field name
Access Address
Bits
Description
2: 4 samples
3: 8 samples
fault
fault_iout_oc_fault_cnt
RW
7000_3C00h
(Loop 0)
7000_4000h
(Loop 1)
[12:8]
Output overcurrent fault count.
Defines the number of consecutive
switching cycles (T
switch
) the low-
pass filtered current must exceed
the fault threshold by in order to
assert a fault.
Count = fault_iout_oc_fau 1
fault
fault_iout_oc_warn_cnt RW
7000_3C00h
(Loop 0)
7000_4000h
(Loop 1)
[17:13] Output overcurrent warning count.
Defines the number of consecutive
switching cycles (T
switch
) the low-
pass filtered current must exceed
the warn threshold by in order to
assert a warning.
Count = fault_iout_oc_wa 1
fault
fault_mfr_iout_oc_fast_
cnt
RW
7000_3C00h
(Loop 0)
7000_4000h
(Loop 1)
[22:18] MFR_IOUT_OC_FAST overcurrent
fault count. Defines the number of
consecutive switching cycles (T
switch
)
the cycle-averaged current must
exceed the fault threshold by in
order to assert a fault.
Count = fault_mfr_iout_oc_fast_cnt
+ 1
fault
fault_iout_uc_fault_cnt
RW
7000_3C00h
(Loop 0)
7000_4000h
(Loop 1)
[27:23] Output undercurrent fault count.
Defines the number of consecutive
switching cycles (T
switch
) the cycle-
averaged current must exceed the
fault threshold by in order to assert
a fault.
Count = fault_iout_uc_fau 1
fault
fault_vin_ov_fault_cnt
RW
7000_3C04h
(Loop 0)
7000_4004h
(Loop 1)
[1:0]
Input overvoltage fault count.
Defines the number of consecutive
switching cycles (T
switch
) the input
voltage must exceed the fault
threshold by in order to assert a
fault.
0: 1 T
switch
1: 2 T
switch
2: 4 T
switch
3: 8 T
switch
fault
fault_vin_ov_warn_cnt
RW
7000_3C04h
(Loop 0)
7000_4004h
(Loop 1)
[3:2]
Input overvoltage warning count.
Defines the number of consecutive
switching cycles (T
switch
) the input
voltage must exceed the warn
threshold by in order to assert a
warning.
0: 1 T
switch
