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^(IOUT_UC_FAULT_LIMIT[15:11]))
LSB = 1 A, range = -128 to +127 A
fault
fault_mfr_iout_oc_fast_
thresh
RW
7000_3C48h
(Loop 0)
7000_4048h
(Loop 1)
[7:0]
Fast output overcurrent fault
threshold.
Computed by FW from PMBus
command as follows:
fault_mfr_iout_oc_fast_thresh =
Int(MFR_IOUT_OC_FAST_FAULT_LI
MIT[10:0] *
2^MFR_IOUT_OC_FAST_FAULT_LIM
IT[15:11])
LSB = 1 A, range = 0 to 255 A
fault
fault_iin_oc_fault_thres
h
RW
7000_3C4Ch
(Loop 0)
7000_404Ch
(Loop 1)
[7:0]
Input overcurrent fault threshold.
Computed by FW from PMBus
command as follows:
fault_iin_ocp_fault_thresh = Int(
IIN_OC_FAULT_LIMIT[10:0] *
2^(IIN_OC_FAULT_LIMIT[15:11] + 2)
)
LSB = 0.25 A, range = 0.0 to 63.75 A
fault
fault_iin_oc_warn_thres
h
RW
7000_3C50h
(Loop 0)
7000_4050h
(Loop 1)
[7:0]
Input overcurrent warning
threshold.
Computed by FW from PMBus
command as follows:
fault_iin_ocp_warn_thresh =
Int(IIN_OC_WARN_LIMIT[10:0] *
2^(IIN_OC_WARN_LIMIT[15:11] + 2))
LSB = 0.25 A, range = 0.0 to 63.75 A
fault
fault_ot_fault_thresh
RW
7000_3C54h
(Loop 0)
7000_4054h
(Loop 1)
[9:0]
Overtemperature fault threshold in
TSADC codes. This threshold is
computed by FW based on the
OT_FAULT_LIMIT PMBus command
and the FW-implemented ADC code
to temperature LUT.
LSB = 1 TSADC code, range = 0.0 to
1023 AD codes
fault
fault_ot_warn_thresh
RW
7000_3C58h
(Loop 0)
7000_4058h
(Loop 1)
[9:0]
Overtemperature warn threshold in
TSADC codes. This threshold is
computed by FW based on the
OT_WARN_LIMIT PMBus command
and the FW-implemented ADC code
to temperature LUT.
LSB = 1 TSADC code, range = 0.0 to
1023 AD codes
