LTC4155_15 datasheet(3/52 Pages) LINER

Part #	LTC4155

Description	Dual-Input Power Manager/ 3.5A Li-Ion Battery Charger with I2C Control and USB OTG

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC4155

3

4155fc

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

VBUS (Transient) t < 1ms, Duty Cycle < 1% ... –0.3V to 7V

VBUS (Steady State), BATSNS, IRQ, NTC...... –0.3V to 6V

DVCC, SDA, SCL (Note 3) ........................–0.3V to VMAX

IWALLSNS, IUSBSNS............................................... ±20mA

INTCBIAS, IIRQ..........................................................10mA

ISW, IVOUT, ICHGSNS (Both Pins in Each Case)..............4A

Operating Junction Temperature Range ... –40°C to 125°C

Storage Temperature Range .................. –65°C to 150°C

(Notes 1, 2)

9

10

TOP VIEW

29

GND

UFD PACKAGE

28-LEAD (4mm

5mm) PLASTIC QFN

11 12 13

28 27 26 25 24

14

23

6

5

4

3

2

1

SDA

DVCC

IRQ

ID

CLPROG1

CLPROG2

WALLSNS

USBSNS

VOUT

CHGSNS

PROG

BATGATE

BATSNS

NTC

7

17

18

19

20

21

22

16

8

15

TJMAX = 125°C, θJA = 43°C/W

EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4155EUFD#PBF

LTC4155EUFD#TRPBF

4155

28-Lead (4mm × 5mm × 0.75mm) Plastic QFN

–40°C to 125°C

LTC4155IUFD#PBF

LTC4155IUFD#TRPBF

4155

28-Lead (4mm × 5mm × 0.75mm) Plastic QFN

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping

container.Consult LTC Marketing for information on non-standard lead based finish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

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