NC

VSS

FAULT

IN

OUT

CE

1

2

3

6

8

7

4

5

VBAT

ILIM

bq24314C

bq24314C

SLUSAV3 – AUGUST 2012

www.ti.com

TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

DSG

IN

1

I

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

OUT

8

O

Output terminal to the charging system. Connect external 1

VBAT

6

I

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

ILIM

7

I/O

Input overcurrent threshold programming. Connect a resistor to VSS to set the overcurrent threshold.

CE

5

I

Chip enable input. Active low. When CE = High, the input FET is off. Internally pulled down.

Open-drain output, device status. FAULT = Low indicates that the input FET Q1 has been turned off due

FAULT

4

O

to input overvoltage, input overcurrent, battery overvoltage, or thermal shutdown.

VSS

2

–

Ground terminal

These pins may have internal circuits used for test purposes. Do not make any external connections at

NC

3

these pins for normal operation.

Thermal PAD

–

board. Do not use the thermal pad as the primary ground input for the device. The VSS pin must be

connected to ground at all times.

DSG Package

(Top View)

6

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