MAX16064
±0.3% Accurate, Quad, Power-Supply Controller with
Active-Voltage Output Control and PMBus Interface
42 ______________________________________________________________________________________
Table 12. STATUS_TEMPERATURE Message Contents
BIT NUMBER MEANING
7 Overtemperature fault
6 Overtemperature warning
5
Undertemperature fault
This bit is not supported. This bit always returns 0.
4
Undertemperature warning
This bit is not supported. This bit always returns 0.
3 Reserved
2 Reserved
1 Reserved
0 Reserved
Table 13. STATUS_CML Message Contents
BIT NUMBER MEANING
7 Invalid or unsupported command received
6 Invalid or unsupported data received
5 Packet error check (PEC) failed
4
Memory fault detected
This bit is not supported. This bit always returns 0.
3
Processor fault detected
This bit is not supported. This bit always returns 0.
2 Reserved
1
A communication fault other than the ones listed in this table has occurred.
This bit is not supported. This bit always returns 0.
0
Other memory of logic fault has occurred.
This bit is not supported. This bit always returns 0.
Table 14. STATUS_MFR_SPECIFIC Message Contents
MEANING
7 EN_FAULT EN input is below its threshold when OPERATION is on.
6 OT_WARN Overtemperature warning (same as STATUS_TEMPERATURE bit 6).
5 OT_FAULT Overtemperature fault (same as STATUS_TEMPERATURE bit 7).
4 ADCERR_FAULT An ADC conversion fault has occurred.
3 N/A This bit is reserved and always returns 0.
2 UV_WARN A VOUT undervoltage warning has occurred (same as STATUS_VOUT bit 4).
1 UV_FAULT A VOUT undervoltage fault has occurred (same as STATUS_VOUT bit 5).
0 OV_WARN A VOUT overvoltage warning has occurred (same as STATUS_VOUT bit 6).
STATUS_TEMPERATURE (7Dh)
The STATUS_TEMPERATURE command returns one byte
of information with contents as described in Table 12.
STATUS_CML (7Eh)
The STATUS_CML command returns one byte of infor-
mation with contents as described in Table 13.
STATUS_MFR_SPECIFIC (80h)
The STATUS_MFR_SPECIFIC command returns one
byte of information with a summary of the reason for a
fault. The STATUS_MFR_SPECIFIC message content is
described in Table 14.
(30 pages)
(23 pages)
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