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OFF

OUT

FAULT

CE

VBAT

ILIMREF- D

4.35V

COUNTER,CONTROL,

ANDSTATUS

THERMAL

SHUTDOWN

ChargePump,

Bandgap,

BiasGenerator

ILIMREF

ILIM

IN

5.85V(bq24314)

6.80V(bq24316)

VSS

TERMINAL FUNCTIONS

bq24314

bq24316

SLUS763 – JULY 2007

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

SIMPLIFIED BLOCK DIAGRAM

TERMINAL

I/O

DESCRIPTION

NAME

DSJ

DSG

1, 2

1

I

Input power, connect to external DC supply. Connect external 1

μF capacitor (minimum) to VSS. For

IN

the 12 pin (DSJ-suffix) device, ensure that pins 1 and 2 are connected together on the PCB at the

device.

OUT

10, 11

8

O

Output terminal to the charging system. Connect external 1

μF capacitor (minimum) to VSS.

VBAT

8

6

I

Battery voltage sense input. Connect to pack positive terminal through a resistor.

2

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Copyright © 2007, Texas Instruments Incorporated

Product Folder Link(s): bq24314 bq24316