LTC4007(RevA) View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LTC4007
(Rev.:RevA)

4A, High Efficiency, Standalone Li-Ion Battery Charger

Linear Technology 

LTC4007

BLOCK DIAGRA

0.1µF

VIN

DCIN

1

INFET

5.8V

Q3

23

ACP 3

SHDN 24

FAULT 5

FLAG 17

GND

6

3C4C 7

CHEM 16

CLN

MUX

TIMER/CONTROLLER

OSCILLATOR

2 CHG

4 RT

RRT

RESTART

TBAD

THERMISTOR

NTC 32.4k

9

0.47µF

10k

NTC

397mV

C/10

35mV

11.67µA

BAT

3k

15

–

LOBAT 8

708mV

1.19V

5k

RCL 15nF

CLP

18

–

100mV

CL1

CLN

19

+

gm = 1.4mΩ

1.105V +

+

EA

–

gm = 1mΩ

ICL 13

DCIN

20µF

OSCILLATOR

WATCHDOG

DETECT tOFF

1.28V

CLN

+

OV

–

TGATE

Q1

20

S

Q

R

RSENSE

20µF

CA1

CSP 3k

14

gm = 1mΩ

CA2

9k

1.19V

BUFFERED ITH

÷5

ITH

10

6K

0.12µF

–+

ICMP

BGATE

Q2

22

PGND

21

L1

PWM CHARGE

LOGIC

IREV

17mV

PROG

11

0.0047µF

RPROG

26.7k

4007 BD

4007fa

8

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