APL3205A 查看數據表（PDF） - Anpec Electronics

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APL3205A

Li+ Charger Protection IC

Anpec Electronics 

APL3205A/B

Pin Description

PIN

NO.

NAME

1

IN

2

GND

3

PSW

4

FAULT

5

EN

FUNCTION

Power Supply Input.

Ground.

PSW is an active high output that drives the external PMOS (see Application Circuit).

Fault Indication Pin. This pin goes low when input OVP, OCP, or battery OVP is detected.

Enable Input. Pull this pin to high to disable the device and pull this pin to low to enable device.

6

BAT Battery OVP Sense Pin. Connect to positive terminal of battery through a resistor.

7

ILIM Over-current Protection Setting Pin. Connect a resistor to the GND to set the over-current threshold.

8

OUT Output Voltage Pin. The output voltage follows the input voltage when no fault is detected.

-

EP

Exposed Thermal Pad. Must be electrically connected to the GND pin.

Block Diagram

IN

FAULT

POR

Charge

Pump

0.5V

Gate Driver and

Control Logic

1.2V

1V

OTP

VOUT

VBAT +0.1V

EN

GND

OUT

ILIM

BAT

PSW

Copyright © ANPEC Electronics Corp.

10

Rev. A.2 - May., 2009

www.anpec.com.tw

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