MAX34440ETL+ Maxim Integrated Products, MAX34440ETL+ Datasheet - Page 38

• Manufacturer Part Number: MAX34440ETL+
• Description: Supervisory Circuits PMBUS 6-CH POW SUPPLY MANAGER
• Manufacturer: Maxim Integrated Products

Specifications of MAX34440ETL+

• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Supply Current (typ): 2.5 mA
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Package / Case: TQFN-40
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 24. MFR_NV_FAULT_LOG
PMBus 6-Channel Power-Supply Manager
If an error occurs while the device is attempting to write or clear the NV_FAULT_LOG, the device sets the CML bit in
STATUS_BYTE and STATUS_WORD; no bits are set in STATUS_CML. ALERT is asserted (if enabled in MFR_MODE).
See Figure 2.
USER NOTE: V
38
Figure 2. MFR_NV_FAULT_LOG
BYTE
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
0
2
4
6
8
STATUS VOLTAGE
TEMPERATURE
CURRENT
00h/FAULT_LOG_INDEX
FAULT_LOG_COUNT
MFR_TIME_COUNT (LSW)
MFR_TIME_COUNT (MSW)
STATUS_BYTE/STATUS_CML
STATUS_WORD
STATUS_VOUT Pages 0/1
STATUS_VOUT Pages 2/3
STATUS_VOUT Pages 4/5
STATUS_MFR_SPECIFIC Pages 0/1
STATUS_MFR_SPECIFIC Pages 2/3
STATUS_MFR_SPECIFIC Pages 4/5
STATUS_MFR_SPECIFIC Pages 6/7
STATUS_MFR_SPECIFIC Pages 8/9
STATUS_MFR_SPECIFIC Pages 10/11
STATUS_MFR_SPECIFIC Pages 12/13
MFR_VOUT_PEAK Page 0
MFR_VOUT_PEAK Page 1
MFR_VOUT_PEAK Page 2
MFR_VOUT_PEAK Page 3
MFR_VOUT_PEAK Page 4
RAM
DD
must be above 2.9V for the device to clear or log data into MFR_NV_FAULT_LOG.
FAULT OCCURENCE
EACH FAULT IS WRITTEN INTO
PARAMETER
THE NEXT FAULT LOG
FAULT LOG INDEX 14
FAULT LOG INDEX 0
FAULT LOG INDEX 1
FAULT LOG INDEX 2
BYTE
(255 BYTES)
(255 BYTES)
(255 BYTES)
(255 BYTES)
128
130
132
134
136
138
140
142
144
146
148
150
152
154
156
158
160
162
164
166
168
FLASH
READ_VOUT Index = 3, Page 2
READ_VOUT Index = 3, Page 3
READ_VOUT Index = 3, Page 4
READ_VOUT Index = 3, Page 5
READ_VOUT Index = 4, Page 0
READ_VOUT Index = 4, Page 1
READ_VOUT Index = 4, Page 2
READ_VOUT Index = 4, Page 3
READ_VOUT Index = 4, Page 4
READ_VOUT Index = 4, Page 5
READ_VOUT Index = 5, Page 0
READ_VOUT Index = 5, Page 1
READ_VOUT Index = 5, Page 2
READ_VOUT Index = 5, Page 3
READ_VOUT Index = 5, Page 4
READ_VOUT Index = 5, Page 5
READ_VOUT Index = 6, Page 0
READ_VOUT Index = 6, Page 1
READ_VOUT Index = 6, Page 2
READ_VOUT Index = 6, Page 3
READ_VOUT Index = 6, Page 4
ACCESSES THE NEXT FAULT LOG
EACH COMMAND READ
PARAMETER
MFR_NV_FAULT_LOG