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LTC4261/LTC4261-2

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For more information www.linear.com/LTC4261

Table 1. LTC4261 Device Addressing

DESCRIPTION

HEX DEVICE

ADDRESS BINARY DEVICE ADDRESS

LTC4261

ADDRESS PINS

h 6 5 4 3 2 1 0 R/W ADR1 ADR0

Mass Write 3E 0 0 1 1 1 1 1 0 X X

Alert Response 19 0 0 0 1 1 0 0 1 X X

0 20 0 0 1 0 0 0 0 X L L

1 22 0 0 1 0 0 0 1 X L NC

2 24 0 0 1 0 0 1 0 X H NC

3 26 0 0 1 0 0 1 1 X L H

4 28 0 0 1 0 1 0 0 X NC L

5 2A 0 0 1 0 1 0 1 X NC NC

6 2C 0 0 1 0 1 1 0 X H H

7 2E 0 0 1 0 1 1 1 X NC H

8 Single-Wire Broadcast Mode H L

H = Tie to INV

; L = Tie to V

; NC = No connect, open; X = Don’t care

Table 2. LTC4261 Register Address and Contents

ADDRESS*

NAME READ/WRITE DESCRIPTION

00h ST

ATUS (A) R System Status Information

01h FAULT (B) R/W Fault Log and PGIO Input

02h ALERT (C) R/W Controls Whether the ALERT Pin is Pulled Low After a Fault is Logged in the Fault Register

03h CONTROL (D) R/W Controls Whether the Part Retries After Faults, Set the On/Off Switch State

04h SENSE (E) R/W** ADC Current Sense Voltage Data (8 MSBs)

05h SENSE (F) R/W** ADC Current Sense Voltage Data (2 LSBs)

06h ADIN2/OV (G) R/W** ADC ADIN2/OV (SSOP/QFN) Voltage Data (8 MSBs)

07h ADIN2/OV (H) R/W** ADC ADIN2/OV (SSOP/QFN) Voltage Data (2 LSBs)

08h ADIN (I) R/W** ADC ADIN Voltage Data (8 MSBs)

09h ADIN (J) R/W** ADC ADIN Voltage Data (2 LSBs)

*Register address MSBs b7-b4 are ignored. **Writable if bit D5 set.

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