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EUP8051

Part Number	EUP8051
Manufacturer	Eutech Microelectronics
Description	Low Cost 1A Linear Battery Charge Controllers
Published	Apr 16, 2008
Detailed Description	EUP8051 Low Cost 1A Linear Battery Charge Controllers DESCRIPTION The EUP8051 is a single Lithium-Ion (Li-Ion) and Lithi...
Datasheet	EUP8051 PDF File

Overview

EUP8051 Low Cost 1A Linear Battery Charge Controllers DESCRIPTION The EUP8051 is a single Lithium-Ion (Li-Ion) and Lithium–Polymer (Li-Pol) linear charge management controller for use in cost sensitive and portable applications.
It combines high accuracy constant-current and constant-voltage regulation, cell preconditioning, temperature monitoring, automatic charge termination, charge-status indication, in a space-saving MSOP-8 package.
www.
DataSheet4U.
com The EUP8051 applies a constant current up to 1A to the battery and the charge current can be programmed externally with a sense-resistor.
The EUP8051 automatically terminates the charge cycle when the charge current drops to the charge termination threshold (ITERM) after the charge-regulation voltage is reached.
When the input supply is removed, the EUP8051 automatically enters a low-power sleep mode, dropping the battery drain current to less than 1µA.
A battery charge state output pin is provided to indicate battery charge status through a display LED.
The battery charge status output is a serial interface which may also be read by a system microcontroller.
FEATURES z z z z z z z z z z z z z Programmable Charge Current up to 1A 4.
5V-7V Input Voltage Range Ideal for Single Cell (4.
1V or 4.
2V) Li-Ion or Li-Pol Batteries Preset Charge Voltage with ±1% Accuracy Constant-Current/Constant Voltage Operation Preconditioning of Low Voltage Cells Optional Cell-Temperature Monitoring Before and During Charge Charge Status Indication Automatic Battery Recharge Charge Termination by Minimum Current Automatic Low-Power Sleep Mode When Input Power is Removed Available in MSOP-8,TSSOP-8 and SOP-8 Package RoHS Compliant and 100% Lead (Pb)-Free APPLICATIONS z z Cellular Phones / PDAs/ MP3 Players/DSC Handheld Instruments DS8051 Ver 1.
6 Sep.
2006 1 EUP8051 Typical Application Circuit www.
DataSheet4U.
com DS8051 Ver 1.
6 Sep.
2006 2 EUP8051 Pin Configurations Part Number Pin Configurations EUP8051 MSOP-8 www.
DataSheet4U.
co...

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