LTC2977 datasheet(122/138 Pages) AD

122 / 138 page

LTM4664A

122

Rev. 0

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The user is permitted to write a 1 to any bit in this command to clear a specific fault. This permits the user to clear

status by means other than using the CLEAR_FAULTS command.

Any supported fault bit in this command will initiate an ALERT event.

This command has one data byte.

STATUS_IOUT

The STATUS_IOUT command returns one byte of IOUT status information.

STATUS_IOUT Message Contents:

BIT

MEANING

IOUT overcurrent fault.

Not supported (LTM4664A returns 0).

IOUT overcurrent warning.

4:0

Not supported (LTM4664A returns 0).

The user is permitted to write a 1 to any bit in this command to clear a specific fault. This permits the user to clear

status by means other than using the CLEAR_FAULTS command.

Any supported fault bit in this command will initiate an ALERT event. This command has one data byte.

STATUS_INPUT

The STATUS_INPUT command returns one byte of VIN (VINS3_C1) status information.

STATUS_INPUT Message Contents:

BIT

MEANING

VIN overvoltage fault.

Not supported (LTM4664A returns 0).

VIN undervoltage warning.

Not supported (LTM4664A returns 0).

Unit off for insufficient VIN.

Not supported (LTM4664A returns 0).

IIN overcurrent warning.

Not supported (LTM4664A returns 0).

The user is permitted to write a 1 to any bit in this command to clear a specific fault. This permits the user to clear

status by means other than using the CLEAR_FAULTS command.

Any supported fault bit in this command will initiate an ALERT event. Bit 3 of this command is not latched and will not

generate an ALERT even if it is set. This command has one data byte.

PMBus COMMAND DETAILS

LTC2977 Datasheet(PDF) 122 Page - Analog Devices