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SWITCH-MODE SINGLE CELL LI-ION BATTERY CHARGER
DESCRIPTION
The ASC8513 is a monolithic switching charger for single cell battery, It achieves up to 2.5A charge current with voltage mode PWM step- down (buck) switching architecture.ASC8513 regulates the battery voltage and charge current with CV(constant voltage) and CC(constant current) loops. Fault condition includes thermal shutdown、time out and output short. Other safety features include battery temperature monitoring and charge status indication.
The ASC8513 is available in 14-pin TSSOP package.
APPLICATIONS
● Handheld Products
● Portable Equipment
● Distributed Power Systems
● Portable DVD Players
● Notebook
● Chargers for one cell Lion Batteries
FEATURES
● 100% Maximum Duty Cycle
● 0.5% Charge Voltage Accuracy
● Low 10uA Reverse Battery Drain Current
● Programmable Charge Current Up To 2.5A
● Fixed 400kHz Frequency
●
Build-in Battery Detection
●
Suitable For One Cell Li-Ion Batteries
●
Automatic Battery Recharge
● Soft Start
● Battery Temperature Monitoring
● Thermal Shutdown And Protection
●
Status Indication
●
12V Maximum Input Voltage Rating
● Ambient Temperature Range: -20℃～70℃
● 14-Lead TSSOP Package Available
TYPICAL APPLICATION
file:///C:/Users/steven/AppData/Local/Temp/ksohtml/wps_clip_image-18424.png
Figure1.1
Typical Application For 1A Charge Current
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Figure2.1
Typical Application For 2A Charge Current
file:///C:/Users/steven/AppData/Local/Temp/ksohtml/wps_clip_image-32363.pngThese devices have limited built-in ESD protection. The leads should be shorted | 
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