APL3204A Datasheet, PDF (1/18 Pages) Anpec Electronics Coropration – Li+ Charger Protection IC

APL3204A/B
Li+ Charger Protection IC
Features
• Input Over-Voltage Protection
• Programmable Input Over-Current Protection
• Battery Over-Voltage Protection
• Over-Temperature Protection
• High Immunity of False Triggering
• High Accuracy Protection Thresholds
• Fault Status Indication
• Enable Input
• Available in TDFN4x3-12 Package
• Lead Free and Green Devices Available
(RoHS Compliant)
General Description
The APL3204A/B provide complete Li+ charger protec-
tions against over-voltage, over-current, and battery over-
voltage. The IC is designed to monitor input voltage, in-
put current, and battery voltage. When any of the moni-
tored parameters are over the threshold, the IC removes
the power from the charging system by turning off an in-
ternal switch. All protections also have deglitch time
against false triggering due to voltage spikes or current
transients. The APL3204A/B also provide over-tempera-
ture protection, a FAULT output pin to indicate the fault
conditions, and the EN pin to allow the system to disable
the IC.
Simplified Application Circuit
5V Adapter or USB
IN
OUT
APL3204A/B
Charger Input
Applications
• Smart Phones and PDAs
• Digital Still Cameras
• Potable Devices
EN
FAULT
ILIM
BAT
GND
Charger Output and Pin Configuration
System
Li+ Battery
IN 1
IN 2
GND 3
EP
FAULT 4
NC 5
NC 6
12 NC
11 OUT
10 OUT
9 ILIM
8 BAT
7 EN
TDFN4X3-12 (Top View)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
1
Rev. A,1 - Jun, 2008
www.anpec.com.tw