EVAL-ADM1275EBZ Datasheet, PDF (45/48 Pages) Analog Devices – Hot-Swap Controller and Digital Power

Data Sheet
ADM1275
Bits
Bit Name
1
GPO2_EN
0
GPO2_DATA
Settings
0
1
0
1
Description
Default. GPO/ALERT2 is configured as an SMBAlert output.
GPO/ALERT2 is configured as a general-purpose output.
Default. Sets GPO/ALERT2 low when configured as a general-purpose output.
Sets GPO/ALERT2 high when configured as a general-purpose output.
DEVICE_CONFIG
Code: 0xD8, read/write byte. Value after reset: 0x00.
Table 40. Bit Descriptions for DEVICE_CONFIG Command
Bits
Bit Name
Settings Description
7
OC_GLITCH_TIME
0 Default. The long duration glitch filter is used when a severe overcurrent fault is
detected.
1 The short duration glitch filter is used when a severe overcurrent fault is detected.
6
FLB_DISABLE
0 Default. Foldback is enabled and can affect the hot-swap current sense limit.
1 Foldback is disabled and does not affect the hot-swap current sense limit. This setting
can be useful if the sole purpose of the FLB pin is to act as a power-good input.
5
OPERATION_CMD_EN
0 Default. The OPERATION command is disabled, and the ADM1275 issues a NACK if
the command is received. This setting provides some protection against a card
accidentally turning itself off.
1 The OPERATION command is enabled, and the ADM1275 responds to it.
4
IOUT_WARN2_SELECT
0 Default. Configures IOUT_WARN2_LIMIT as an undercurrent threshold.
1 Configures IOUT_WARN2_LIMIT as an overcurrent threshold.
[3:0]
Reserved
0000 Always reads as 0000.
POWER_CYCLE
Code: 0xD9, send byte, no data.
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