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APL3209

ANPEC
Part Number APL3209
Manufacturer ANPEC
Description Li+ Battery Charger
Published Aug 16, 2020
Detailed Description APL3209 Li+ Battery Charger Features • Programmable Charge Current Up to 900mA • 4.2V Charge Termination Voltage with ...
Datasheet PDF File APL3209 PDF File

APL3209
APL3209


Overview
APL3209 Li+ Battery Charger Features • Programmable Charge Current Up to 900mA • 4.
2V Charge Termination Voltage with ±25mV Accuracy • 80mA Trickle Charge Current (RIREF=100kΩ) • Thermal Regulation Simplifies Board Design • External Thermistor Monitor • Programmable Maximum Charge Time • Enable/Disable Control • Charge Status and Fault Indication Outputs • Lead Free and Green Devices Available (RoHS Compliant) Applications • Mobile Phones • GPS Navigation • Blue Tooth Headsets Simplified Application Circuit 5V Adapter VIN VBAT LI+ CELL STATUS TIME FAULT EN V2P8 IREF GND TEMP NTC Thermistor General Description The APL3209 is a constant-current/constant-voltage linear charger for single cell Li+ batteries.
The APL3209 needs no external MOSFETs or diodes, and accepts input voltage up to 6.
5V.
On-chip thermal regulation protects the APL3209 from excessive temperature, and optimizes the board design for compact size and typical thermal conditions.
The APL3209 monitors the ambient or battery temperature and maximum charge time, the charge will stop and indicate a fault when the temperature is out of range or the charge time is longer than the limit.
Charge current can program by connecting an external resistor from IREF to GND.
Other features include a STATUS output to indicate the charge states, and a FAULT output to indicate the fault conditions.
An EN input switches the charger on or off.
The APL3209 is available in a DFN3x3-10 package, and operates over the -40°C to +85°C temperature range.
Pin Configuration in VIN 1 FAULT 2 STATUS 3 TIME 4 GND 5 10 VBAT 9 TEMP EP 8 IREF 7 V2P8 6 EN DFN3x3-10 (Top View) EP = Exposed Pad (Connected to the ground plane for better heat dissipation) 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.
2 - Jun.
, 2010 ...


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