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DEVICE INFORMATION

(1)

STAT1

STAT2

AC

BAT

BAT

ISET2

PSEL

CE

bq24030RHL − bq24038RHL

RHL PACKAGE

(TOP VIEW)

USBPG / VBSEL

ACPG / PG

OUT

OUT

OUT

TMR

DPPM

TS

20

1

11

10

2

3

4

5

6

7

8

9

19

18

17

16

15

14

13

12

bq24030, bq24031, bq24032,

bq24032A, bq24035, bq24038, bq24039

SLUS618C – AUGUST 2004 – REVISED JUNE 2005

(1)

The bq24031RHL and bq24039RHL, are Product Preview devices.

TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NO.

AC

4

I

Charge input voltage from AC adapter

18

O

AC power-good status output (open-drain)

BAT

5, 6

I/O

Battery input and output.

CE

9

I

Chip enable input (active high)

DPPM

13

I

Dynamic power-path management set point (account for scale factor)

ISET1

10

I/O

Charge current set point for AC input and precharge and termination set point for both AC and USB

Charge current set point for USB port. (High = 500 mA, Low = 100 mA) For bq24032, see half-charge

ISET2

7

I

current mode using ISET2.

(bq24039 only) Boot-up (Low = enabled, High = disabled); TERM Detect (High = 250 nVm, Low = 100

8

I

mV), USB MODE current multiplier (High = x2 of ISET2, Low = x1 of ISET2).

LDO

1

O

3.3-V LDO regulator

OUT

15, 16, 17

O

Output terminal to the system

18

O

AC or USB power-good status output (open-drain)

8

I

Power source selection input (Low for USB, High for AC)

STAT1

2

O

Charge status output 1 (open-drain)

STAT2

3

O

Charge status output 2 (open-drain)

TMR

14

I/O

Timer program input programmed by resistor. Disable safety timer and termination by tying TMR to LDO.

TS

12

I/O

Temperature sense input

USB

20

I

USB charge input voltage

19

O

USB power-good status output (open-drain)

19

I

Battery charge voltage selection

Ground input (the thermal pad on the underside of the package) There is an internal electrical connection

between the exposed thermal pad and VSS pin of the device. The exposed thermal pad must be

VSS

11

–

connected to the same potential as the VSS pin on the printed-circuit board. Do not use the thermal pad as

the primary ground input for the device. VSS pin must be connected to ground at all times.

(1)

Pin 18 is PG for bq24038 and ACPG for bq24030/1/2/2A/5/9.

(2)

Pin 8 is PSEL for bq24030/1/2/2A/5/8 and ISET3 for bq24039.

(3)

Pin 19 is VBSEL for bq24038 and USBPG for bq24030/1/2/2A/5/9.

9