LTC4260
22
4260fc
For more information www.linear.com/LTC4260
applicaTions inForMaTion
Table 2. LTC4260 Register Addresses and Contents
REGISTER
ADDRESS*
REGISTER
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)
R
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
FUNCTION
A6
A7    GPIO PIN
Power Good (Default)
0
0
GPIO = C3
Power Bad
0
1
GPIO = C3
General Purpose Output
1
0
GPIO = B6
General Purpose Input
1
1
GPIO = Hi-Z
A5
Test Mode Enable
Test Mode Halts ADC Operation and Enables Writes to ADC Registers
1 = Enable Test Mode, 0 = Disable Test Mode (Default)
A4
Mass Write Enable
Enables Mass Write Using Address (1011 111)b
1 = Enable Mass Write (Default), 0 = Disable Mass Write
A3
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
A2
Overcurrent Autoretry
Enables Autoretry After an Overcurrent Fault
1 = Retry Enabled, 0 = Retry Disabled (Default)
A1
Undervoltage Autoretry
Enables Autoretry After an Undervoltage Fault
1 = Retry Enabled (Default), 0 = Retry Disabled
A0
Overvoltage Autoretry
Enables Autoretry After an Overvoltage Fault
1 = Retry Enabled (Default), 0 = Retry Disabled
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