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ADM1275
Data Sheet
Bits
5
4
3
2
Bit Name
VOUT_UV_WARN_EN1
HS_INLIM_EN1
INVERT_SMBALERT_1
CONVERT_EN
Settings
0
1
0
1
0
1
0
1
Description
Default. Disables generation of SMBAlert when the VOUT_UV_WARN bit is set.
Generate SMBAlert when the VOUT_UV_WARN bit is set.
Default. Disables generation of SMBAlert when the HS_INLIM bit is set.
Generate SMBAlert when the HS_INLIM bit is set.
Default. SMBAlert is active low when a fault/warning bit that is enabled becomes set.
SMBAlert is active high when a fault/warning bit that is enabled becomes set.
Default. GPO1/ALERT1/CONV is configured as an output pin.
GPO1/ALERT1/CONV is configured as an input pin. All other settings in ALERT1_CONFIG
are ignored.
1
GPO1_EN
0
Default. GPO1/ALERT1/CONV can be configured as either a power monitor convert
input or an SMBAlert output.
1
GPO1/ALERT1/CONV is configured as a general-purpose output unless CONVERT_EN is
set to 1.
0
GPO1_DATA
0
1
Default. Sets GPO1/ALERT1/CONV low when configured as a general-purpose output.
Sets GPO1/ALERT1/CONV high when configured as a general-purpose output.
ALERT2_CONFIG
Code: 0xD6, read/write word. Value after reset: 0x8000.
This command is supported on the ADM1275 -1 and the ADM1275 -3. The ADM1275 -2 does not have a GPO2/ALERT2 pin.
Table 39. Bit Descriptions for ALERT2_CONFIG Command
Bits
15
Bit Name
FET_HEALTH_BAD_EN2
Settings
0
1
Description
Disables generation of SMBAlert when the FET_HEALTH_BAD bit is set.
Default. Generate SMBAlert when the FET_HEALTH_BAD bit is set. This bit is active
from power-up so that a FET problem can be detected and flagged immediately
without the need for software to set this bit.
14
13
12
11
10
9
8
7
6
5
4
3
2
IOUT_OC_FAULT_EN2
VIN_OV_FAULT_EN2
VIN_UV_FAULT_EN2
CML_ERROR_EN2
IOUT_OC_WARN_EN2
IOUT_WARN2_EN2
VIN_OV_WARN_EN2
VIN_UV_WARN_EN2
VOUT_OV_WARN_EN2
VOUT_UV_WARN_EN2
HS_INLIM_EN2
INVERT_SMBALERT_2
Reserved
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Default. Disables generation of SMBAlert when the IOUT_OC_FAULT bit is set.
Generate SMBAlert when the IOUT_OC_FAULT bit is set.
Default. Disables generation of SMBAlert when the VIN_OV_FAULT bit is set.
Generate SMBAlert when the VIN_OV_FAULT bit is set.
Default. Disables generation of SMBAlert when the VIN_UV_FAULT bit is set.
Generate SMBAlert when the VIN_UV_FAULT bit is set.
Default. Disables generation of SMBAlert when the CML_ERROR bit is set.
Generate SMBAlert when the CML_ERROR bit is set.
Default. Disables generation of SMBAlert when the IOUT_OC_WARN bit is set.
Generate SMBAlert when the IOUT_OC_WARN bit is set.
Default. Disables generation of SMBAlert when the IOUT_WARN2 bit is set.
Generate SMBAlert when the IOUT_WARN2 bit is set.
Default. Disables generation of SMBAlert when the VIN_OV_WARN bit is set.
Generate SMBAlert when the VIN_OV_WARN bit is set.
Default. Disables generation of SMBAlert when the VIN_UV_WARN bit is set.
Generate SMBAlert when the VIN_UV_WARN bit is set.
Default. Disables generation of SMBAlert when the VOUT_OV_WARN bit is set.
Generate SMBAlert when the VOUT_OV_WARN bit is set.
Default. Disables generation of SMBAlert when the VOUT_UV_WARN bit is set.
Generate SMBAlert when the VOUT_UV_WARN bit is set.
Default. Disables generation of SMBAlert when the HS_INLIM bit is set.
Generate SMBAlert when the HS_INLIM bit is set.
Default. SMBAlert is active low when a fault/warning bit that is enabled becomes set.
SMBAlert is active high when a fault/warning bit that is enabled becomes set.
Always reads as 0.
Rev. D | Page 44 of 48
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