LTC4260

23

4260f

APPLICATIO S I FOR ATIO

Table 6. FAULT Register D (03h)—Read/Write

BIT

NAME

OPERATION

D7:6

Reserved

D5

FET Short Fault Occurred

Indicates Potential FET Short was Detected When Measured Current Sense Voltage Exceeded 2mV

While FET was Off

1 = FET was Shorted, 0 = FET is Good

D4

Board Present Changes State

Indicates that a Board was Inserted or Extracted When BD_PRST Changed State

1 = BD_PRST Changed State, 0 = BD_PRST Unchanged

D3

Power Bad Fault Occurred

Indicates Power was Bad When FB Went Low

1 = FB was Low, 0 = FB was High

D2

Overcurrent Fault Occurred

Indicates Overcurrent Fault Occurred

1 = Overcurrent Fault Occurred, 0 = No Overcurrent Faults

D1

Undervoltage Fault Occurred

Indicates Input Undervoltage Fault Occurred When UV Went Low

1 = UV was Low, 0 = UV was High

D0

Overvoltage Fault Occurred

Indicates Input Overvoltage Fault Occurred When OV Went High

1 = OV was High, 0 = OV was Low

Table 7. SENSE Register E (04h)—Read/Write

BIT

NAME

OPERATION

E7:0

SENSE Voltage Data

Table 8. SOURCE Register F (05h)—Read/Write

BIT

NAME

OPERATION

F7:0

SOURCE Voltage Data

SOURCE Pin Voltage Data. 8-Bit Data with 400mV LSB and 102.4V Full Scale

Table 9. ADIN Register G (06h)—Read/Write

BIT

NAME

OPERATION

G7:0

ADIN Voltage Data

ADIN Pin Voltage Data. 8-Bit Data with 10mV LSB and 2.56V Full Scale