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EUP8057

Part Number	EUP8057
Manufacturer	Eutech Microelectronics
Description	Advanced 1A Linear Charge Management Controllers
Published	Apr 16, 2008
Detailed Description	EUP8057 «ç Advanced 1A Linear Charge Management Controllers DESCRIPTION The EUP8057 is a highly advanced Lithium-Ion (L...
Datasheet	EUP8057 PDF File

Overview

EUP8057 «ç Advanced 1A Linear Charge Management Controllers DESCRIPTION The EUP8057 is a highly advanced 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, TSSOP-8 package.
www.
DataSheet4U.
com The EUP8057 applies a constant current up to 1A to the battery and the charge current can be programmed externally with a sense-resistor.
The EUP8057 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 EUP8057 automatically enters a low-power sleep mode.
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 4.
5V-15V Wide Input Voltage Range Ideal for Single Cell (4.
1V or 4.
2V) and Dual-Cell (8.
2V or 8.
4V) Li-Ion or Li-Pol Batteries Preset Charge Voltage with ±1% Accuracy Programmable Charge Current up to 1A Constant-Current/Constant Voltage Operation Preconditioning of Low Voltage Cells Optional Cell-Temperature Monitoring Before and During Charge Charge Status Output for Single of Dual Led or Host Processor Interface Automatic Battery Recharge Charge Termination by Minimum Current Automatic Low-Power Sleep Mode When Input Power is Removed Available in TSSOP-8, MSOP-8 and SOP-8 Package RoHS Compliant and 100% Lead (Pb)-Free APPLICATIONS z z Cellular Phones / PDAs/ MP3 Players/DSC Handheld Instruments DS8057 Ver 1.
8 Nov.
2006 1 EUP8057 Typical Application Circuit www.
DataSheet4U.
com DS8057 Ver 1.
8 Nov.
2006 2 EUP8057 Pin Configurations Part Number...

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