Datasheet

ManualsBrandsLINEAR TECHNOLOGY ManualsPMICsPMIC - battery management Charge management Li-Ion SSOP 16 Surface-mount

1

2

3

4

5

6

7

8

9

7

LTC4006

4006fa

BLOCK DIAGRA

W

–

+

5

9k

1.19V

11.67µA

35mV

C/10

T

BAD

EA

g

m

= 1m

g

m

= 1m

1.19V

GND

13

TGATE

BGATE

Q1

Q2

11

CLP

100mV

15nF

20µF

R

CL

5.1k

12

CLN

15

PGND

L1

397mV

CHG

25µA

V

LOGIC

R

T

NTC

0.47µF

10k

NTC

R

RT

–

+

–

+

CL1

g

m

= 1.5m

TIMER/CONTROLLER

THERMISTOR

OSCILLATOR

2

4

6

BAT

3k

R

SENSE

CSP

I

TH

7

32.4k

100k

WATCH DOG

DETECT t

OFF

DCIN

OV

OSCILLATOR

1.28V

PWM

LOGIC

S

R

Q

CHARGE

I

REV

–

+

I

CMP

+

–

÷ 5

BUFFERED I

TH

14

0.1µF

I

MON

4006 BD

4.7nF

R

IMON1

26.44k

R

IMON2

52.87k

17mV

8

ACP/SHDN

3

INFET

Q3

DCIN

V

IN

16

1

–

+

I

CL

5.8V

CLN

3k

20µF

6.04k

0.12µF

CA2

Ω

Ω

Ω

–

+

CA1

10

9

–

+

RESTART

LOBAT

1.105V

708mV