ADM1075
Data Sheet
Bits
4
Bit Name
VIN_UV_FAULT
Settings
Description
Latched register.
Reset
0x0
Access
R
0
1
No undervoltage detected on the UVx pin.
An undervoltage was detected on the UVx pin.
[3:1]
0
RESERVED
PIN_OP_WARN
Always reads as 000.
Latched register.
0x0
0x0
R
R
0
1
No overpower condition on the input supply detected by the power
monitor.
An overpower condition on the input supply was detected by the
power monitor.
MANUFACTURING SPECIFIC STATUS REGISTER
Address: 0x80, Reset: 0x00, Name: STATUS_MFR_SPECIFIC
Table 19. Bit Descriptions for STATUS_MFR_SPECIFIC
Bits
7
Bit Name
FET_HEALTH_BAD
Settings
Description
Latched register.
Reset
0x0
Access
R
0
1
FET behavior appears to be as expected.
FET behavior suggests that the FET may be shorted.
6
UV_CMP_OUT
Live register.
0x0
R
0
1
Input voltage to UVx pin is above threshold.
Input voltage to UVx pin is below threshold.
5
OV_CMP_OUT
Live register.
0x0
R
0
1
Input voltage to OV pin is below threshold.
Input voltage to OV pin is above threshold.
4
VAUX_STATUS
Latched register.
0x0
R
0
1
There are no active status bits to be read by STATUS_VAUX.
There are one or more active status bits to be read by STATUS_VAUX.
3
HS_INLIM_FAULT
Latched register.
0x0
R
0
1
The ADM1075 has not actively limited the current into the load.
The ADM1075 has actively limited current into the load. This bit
differs from the IOUT_OC_FAULT bit in that the HS_INLIM bit is set
immediately, whereas the IOUT_OC_FAULT bit is not set unless the
time limit set by the capacitor on the TIMER pin elapses.
[2:1]
HS_SHUTDOWN_CAUSE
Latched register.
0x0
R
00
01
10
11
The ADM1075 is either enabled and working correctly, or has been
shut down using the OPERATION command.
An IOUT_OC_FAULT condition occurred that caused the ADM1075
to shut down.
A VIN_UV_FAULT condition occurred that caused the ADM1075 to
shut down.
A VIN_OV_FAULT condition occurred that caused the ADM1075 to
shut down.
0
IOUT_WARN2
Latched register.
0x0
R
0
1
No overcurrent condition on the output supply detected by the
power monitor using the IOUT_WARN2_LIMIT command.
An undercurrent or overcurrent condition on the output supply was
detected by the power monitor using the IOUT_WARN2_LIMIT
command. The polarity of the threshold condition is set by the
IOUT_WARN2_OC_SELECT bit using the DEVICE_CONFIG command.
Rev. C | Page 42 of 52
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