Datasheet

MAX34451 PMBus 16-Channel V/I Monitor and
12-Channel Sequencer/Marginer
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Table 31. ALARM_CONFIG Codes
Figure 10. MFR_FAULT_RESPONSE Operation
ALARM_CONFIG[2:0] ALARM CONDITION ALARM CRITERIA
000 None —
001
Sequencingfault Faultonly
010 Undervoltageonly Faultonly
011 Undervoltageonly Faultorwarning
100 Overvoltage/overcurrentonly Faultonly
101 Overvoltage/overcurrentonly Faultorwarning
110 Undervoltageorovervoltage/overcurrent Faultonly
111 Undervoltageorovervoltage/overcurrent Faultorwarning
NOTE: SIGNALS LISTED IN ITALICS ARE INTERNAL SIGNALS THAT CONNECT TO OTHER DEVICE FUNCTIONS.
SHADED BLOCKS ARE PMBus COMMANDS.
BITS 13:12 BITS 10:8 BITS 7:0 BIT 15 BIT 14 BIT 16 BIT 17 BIT 18
MFR_PWM_CONFIG
MFR_PSEN_CONFIG
16
ALARM0–ALARM15 LOC AL0–LOCAL11
AND OR
FAULT0
FAULT2
FAULT1
FAULT0
OVERVO LTAG E
OVERCURRENT
UNDERVOLTAGE
SEQUENCING
ERROR
OVER-
TEMPERATURE
MONITORING
16 CHANNELS
FILTER
FILTER
01 (LATCH OFF)
LATCH
OFF
OR
RETRY
AND
NV
LOG
OR
OV/OC
10 (RETRY)
11 (LOG ONLY)
01 (LATCH OFF)
UV
SEQ
OT
AND
OR
10 (RETRY)
11 (LOG ONLY)
01 (LATCH OFF)
10 (RETRY)
11 (LOG ONLY)
01 (LATCH OFF)
10 (RETRY)
11 (LOG ONLY)
INTERNAL
DS75LV
DS75LV
DS75LV
DS75LV
ALARM_CONFIG
FAULT
RESPONSE
MFR_FAULT_RETRY
MFR_FAULT_RESPONSE
MFR_NV_FAULT_ LOG
GLOBAL/
LOCAL
SELECT
16
AND OR
PWM7
GPO19
FAULT1
SELECT
PWM7/
GPO19
16
AND OR
SELECT
PSEN10/
GPO10
PSEN10
GPO10
FAULT2