ADM1275-2ARQZ-R7 datasheet(45/48 Pages) AD

45 / 48 page

Data Sheet

ADM1275

Rev. D | Page 45 of 48

Bits

Bit Name

Settings

Description

GPO2_EN

Default. GPO/ALERT2 is configured as an SMBAlert output.

GPO/ALERT2 is configured as a general-purpose output.

GPO2_DATA

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

OC_GLITCH_TIME

Default. The long duration glitch filter is used when a severe overcurrent fault is

detected.

The short duration glitch filter is used when a severe overcurrent fault is detected.

FLB_DISABLE

Default. Foldback is enabled and can affect the hot-swap current sense limit.

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.

OPERATION_CMD_EN

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.

The OPERATION command is enabled, and the ADM1275 responds to it.

IOUT_WARN2_SELECT

Default. Configures IOUT_WARN2_LIMIT as an undercurrent threshold.

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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