LTC4260IGN datasheet(21/28 Pages) LINER

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LTC4260

4260f

APPLICATIO S I FOR ATIO

Table 2. LTC4260 Register Addresses and Contents

ADDRESS*

NAME

READ/WRITE

DESCRIPTION

00h

CONTROL (A)

R/W

Controls Whether the Part Retries After Faults, Set the Switch State

01h

ALERT (B)

R/W

Controls Whether the ALERT Pin is Pulled Low After a Fault is Logged in the Fault Register

02h

STATUS (C)

System Status Information

03h

FAULT (D)

R/W

Fault Log

04h

SENSE (E)

R/W**

ADC Current Sense Voltage Data

05h

SOURCE (F)

R/W**

ADC SOURCE Voltage Data

06h, 07h

ADIN (G)

R/W**

ADC ADIN Voltage Data

*Register address MSBs b7-b3 are ignored.

**Writable if bit A5 set.

Table 3. CONTROL Register A (00h)—Read/Write

BIT

NAME

OPERATION

A7:6

GPIO Configure

Configures Behavior of GPIO Pin

Test Mode Enable

Test Mode Halts ADC Operation and Enables Writes to ADC Registers

1 = Enable Test Mode, 0 = Disable Test Mode (Default)

Mass Write Enable

Enables Mass Write Using Address (1011 111)b

1 = Enable Mass Write (Default), 0 = Disable Mass Write

FET On Control

Turns FET On and Off

1 = Turn FET On, 0 = Turn FET Off. Defaults to ON Pin State at End of Debounce Delay

Overcurrent Autoretry

Enables Autoretry After an Overcurrent Fault

1 = Retry Enabled, 0 = Retry Disabled (Default)

Undervoltage Autoretry

Enables Autoretry After an Undervoltage Fault

1 = Retry Enabled (Default), 0 = Retry Disabled

Overvoltage Autoretry

Enables Autoretry After an Overvoltage Fault

1 = Retry Enabled (Default), 0 = Retry Disabled

FUNCTION

GPIO PIN

Power Good (Default)

GPIO = C3

Power Bad

GPIO = C3

General Purpose Output

GPIO = B6

General Purpose Input

GPIO = Hi-Z

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