1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

N/C

IN

IN

VCC

ISNS

N/C

APG/THERM

EN

VSEL

GND/HEATSINK

N/C

OUT

OUT

VSENSE

AGND

N/C

STAT1

TMR SEL

CR

N/C

bq24004

PWP PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

N/C

IN

IN

VCC

ISNS

N/C

APG/THERM

EN

VSEL

GND/HEATSINK

N/C

OUT

OUT

VSENSE

AGND

STAT2

STAT1

TMR SEL

CR

N/C

bq24005, bq24006

PWP PACKAGE

(TOP VIEW)

N/C - Do not connect

bq24004

bq24005

bq24006

www.ti.com

SLUS476F – DECEMBER 2000 – REVISED MAY 2012

PIN ASSIGNMENTS

TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NO.

AGND

16

Ground pin; connect close to the negative battery terminal.

APG/THERM

7

I

Adapter power good input/thermistor sense input

CR

12

I

Internal regulator bypass capacitor

EN

8

I

Charge-enable input. Active-high enable input with internal pull down. Low-current stand-by mode

active when EN is low.

GND/HEATSIN

10

Ground pin; connect to PowerPAD heat-sink layout pattern.

K

IN

2, 3

I

Input voltage. This input provides the charging voltage for the battery.

ISNS

5

I

Current sense input

N/C

1, 6, 11,

No connect. These pins must be left floating. Pin 15 is N/C on bq24004PWP only.

15, 20

OUT

18, 19

O

Charge current output

STAT1

14

O

Status display output 1

STAT2

15

O

Status display output 2 (for bq24005 and bq24006 only)

TMR SEL

13

I

Charge timer selection input

VCC

4

I

Supply voltage

VSEL

9

I

8.2-V or 8.4-V charge regulation selection input

VSENSE

17

I

Battery voltage sense input

Copyright © 2000–2012, Texas Instruments Incorporated

Submit Documentation Feedback

5

Product Folder Link(s): bq24004 bq24005 bq24006