BQ24030_07 Datasheet, PDF(9/38 Page) Texas Instruments – SINGLE-CHIP CHARGE AND SYSTEM POWER-PATH MANAGEMENT IC (bqTINY)

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BQ24030_07 Datasheet, PDF (9/38 Pages) Texas Instruments – SINGLE-CHIP CHARGE AND SYSTEM POWER-PATH MANAGEMENT IC (bqTINY)

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www.ti.com

bq24030, bq24031, bq24032A

bq24035, bq24038

SLUS618F â AUGUST 2004 â REVISED NOVEMBER 2006

DEVICE INFORMATION

bq24030RHL â bq24038RHL

RHL PACKAGE

(TOP VIEW)

STAT1

STAT2

BAT

ISET2

PSEL

9 10

20 19

11 12

USBPG / VBSEL

ACPG / PG

OUT

TMR

DPPM

TERMINAL FUNCTIONS

TERMINAL

NAME

NO.

ACPG (1)

BAT

5, 6

DPPM

ISET1

ISET2

LDO

OUT

15, 16, 17

PG (1)

PSEL

STAT1

STAT2

TMR

USB

USBPG (2)

VBSEL (2)

VSS

I/O

DESCRIPTION

I Charge input voltage from AC adapter

O AC power-good status output (open-drain)

I/O Battery input and output.

I Chip enable input (active high)

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

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

I Charge current set point for USB port. (High = 500 mA, Low = 100 mA)

O 3.3-V LDO regulator

O Output terminal to the system

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

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

O Charge status output 1 (open-drain)

O Charge status output 2 (open-drain)

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

I/O Temperature sense input

I USB charge input voltage

O USB power-good status output (open-drain)

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

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 bq24030/31/32A/35.

(2) Pin 19 is VBSEL for bq24038 and USBPG for bq24030/31/32A/35.

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