ADM1075 Analog Devices, ADM1075 Datasheet - Page 39
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ADM1075
Manufacturer Part Number
ADM1075
Description
?48 V Hot Swap Controller and Digital Power Monitor with PMBus Interface
Manufacturer
Analog Devices
Datasheet
1.ADM1075.pdf
(52 pages)
Specifications of ADM1075
Uv & Ov Detection
OV pin,UVH pin,UVL pin
I Monitor Accuracy (+/-%)
1%
Other Inputs
CONV Pin,RESTARTb,SHDNb
Other Outputs
GPO1/ALERT1b/CONV,GPO2/ALERT2B,LATCHb,PWRGDb,SPLYGDb
Package
28 ld TSSOP,28-ld LFCSP
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Data Sheet
REGISTER DETAILS
OPERATION COMMAND REGISTER
Address: 0x01, Reset: 0x00, Name: OPERATION
Table 9. Bit Descriptions for OPERATION
Bits
7
[6:0]
CLEAR FAULTS REGISTER
Address: 0x03, Send Byte, No Data, Name: CLEAR_FAULTS
PMBUS CAPABILITY REGISTER
Address: 0x19, Reset: 0xB0, Name: CAPABILITY
Table 10. Bit Descriptions for CAPABILITY
Bits
7
[6:5]
4
[3:0]
IOUT OC WARN LIMIT REGISTER
Address: 0x4A, Reset: 0x0FFF, Name: IOUT_OC_WARN_LIMIT
Table 11. Bit Descriptions for IOUT_OC_WARN_LIMIT
Bits
[15:12]
[11:0]
VIN OV WARN LIMIT REGISTER
Address: 0x57, Reset: 0x0FFF, Name: VIN_OV_WARN_LIMIT
Table 12. Bit Descriptions for VIN_OV_WARN_LIMIT
Bits
[15:12]
[11:0]
VIN UV WARN LIMIT REGISTER
Address: 0x58, Reset: 0x0000, Name: VIN_UV_WARN_LIMIT
Table 13. Bit Descriptions for VIN_UV_WARN_LIMIT
Bits
[15:12]
[11:0]
Bit Name
PEC_SUPPORT
MAX_BUS_SPEED
SMBALERT_SUPPORT
RESERVED
Bit Name
ON
RESERVED
Bit Name
RESERVED
IOUT_OC_WARN_LIMIT
Bit Name
RESERVED
VIN_OV_WARN_LIMIT
Bit Name
RESERVED
VIN_UV_WARN_LIMIT
Settings
Settings
Settings
Settings
Settings
0
1
Description
Always reads as 0000.
Overcurrent threshold for the IOUT measurement through the sense
resistor, expressed in ADC codes.
Description
Hot swap enable.
Hot swap output disabled.
Hot swap output enabled.
Always reads as 0000000.
Description
Always reads as 1. Packet error checking (PEC) is supported.
Always reads as 01. Maximum supported bus speed is 400 kHz.
Always reads as 1. Device supports SMBAlert and alert response
address (ARA).
Always reads as 0000.
Description
Always reads as 0000.
Undervoltage threshold for the ADC_V pin measurement, expressed
in ADC codes.
Description
Always reads as 0000.
Overvoltage threshold for the ADC_V pin measurement, expressed
in ADC codes.
Rev. 0 | Page 39 of 52
Reset
0x0
0x0
Reset
0x1
0x01
0x1
0x0000
Reset
0x0
0xFFF
Reset
0x0
0xFFF
Reset
0x0
0x0
ADM1075
Access
RW
R
Access
R
R
R
R
Access
R
RW
Access
R
RW
Access
R
RW