LTC2977 datasheet(112/138 Pages) AD

112 / 138 page

LTM4664A

112

Rev. 0

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TON_MAX_FAULT_RESPONSE

The TON_MAX_FAULT_RESPONSE command instructs the device on what action to take in response to a TON_MAX

fault. The data byte is in the format given in Table 13.

The device also:

• Sets the NONE_OF_THE_ABOVE bit in the STATUS_BYTE

• Sets the VOUT bit in the STATUS_WORD

• Sets the TON_MAX_FAULT bit in the STATUS_VOUT command, and

• Notifies the host by asserting ALERT pin, unless masked

A value of 0 disables the TON_MAX_FAULT_RESPONSE. It is not recommended to use 0.

Note: The PWM channel remains in discontinues mode until the TON_MAX_FAULT_LIMIT has been exceeded.

This command has one data byte.

Fault Responses Output Current

COMMAND NAME

CMD CODE DESCRIPTION

TYPE

PAGED

DATA

FORMAT UNITS

NVM

DEFAULT

VALUE

IOUT_OC_FAULT_RESPONSE

0x47

Action to be taken by the device when an

output overcurrent fault is detected.

R/W Byte

Reg

0x00

IOUT_OC_FAULT_RESPONSE

The IOUT_OC_FAULT_RESPONSE command instructs the device on what action to take in response to an output

overcurrent fault. The data byte is in the format given in Table 9.

The device also:

• Sets the NONE_OF_THE_ABOVE bit in the STATUS_BYTE

• Sets the IOUT_OC bit in the STATUS_BYTE

• Sets the IOUT bit in the STATUS_WORD

• Sets the IOUT Overcurrent Fault bit in the STATUS_IOUT command, and

• Notifies the host by asserting ALERT pin, unless masked

This command has one data byte.

PMBus COMMAND DETAILS

LTC2977 Datasheet(PDF) 112 Page - Analog Devices

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