LT3074AVPBF datasheet(53/62 Pages) AD

53 / 62 page

Data Sheet

LT3074

analog.com

Rev 0.

53 of 62

STATUS_MFR_SPECIFIC

The STATUS_MFR_SPECIFIC command returns a one-byte summary of warnings specific to the LT3074.

Table 22. STATUS_MFR_SPECIFIC Bit Field Descriptions

Bit

Access Mode

Bit Name

Description

Read Only

Unused

Returns 0

Read/Write 1 to Clear VBIAS_OV_WARNING

A bias overvoltage warning (as set by the

MFR_BIAS_OV_WARN_LIMIT) occurred.

Read/Write 1 to Clear VBIAS_UV_WARNING

A bias undervoltage warning (as set by the

MFR_BIAS_UV_WARN_LIMIT) occurred.

Read/Write 1 to Clear IOUT_MIN_WARNING A minimum output current warning (as set by the

MFR_IOUT_MIN_WARN_LIMIT) occurred.

Read/Write 1 to Clear FAST_START

A fast start-up event (post initial power on) occurred.

2:0

Read Only

Unused

Returns 3’b000

This command has one data byte.

READ_VIN

The READ_VIN command returns the measured IN pin voltage, in Volts. This read-only command has two data bytes

formatted in the Linear_5s_11s format.

READ_VOUT

The READ_VOUT command returns the measured SENSE pin voltage, in Volts. This read-only command has two data

bytes formatted in the Linear_16u format.

READ_IOUT

The READ_IOUT command returns the measured output current, in Amperes. This read-only command has two data

bytes formatted in the Linear_5s_11s format.

READ_TEMPERATURE_1

The READ_TEMPERATURE_1 command returns the measured average die temperature, in degree Celsius. This read-

only command has two data bytes formatted in the Linear_5s_11s format.

PMBUS_REVISION

The PMBUS_REVISION command returns the revision of PMBus specification that the device supports. The LT3074 is

compliant with the PMBus version 1.3, both part I and part II.

This read-only command has one data byte.

IC_DEVICE_ID

The IC_DEVICE_ID command indicates the manufacturer’s ID of the LT3074 using ASCII characters. This read-only

command is in block format.

IC_DEVICE_REV

The IC_DEVICE_REV command indicates the revision of the LT3074 using ASCII characters. This read-only command

is in block format.

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