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EUP8209-8.4A

Eutech Microelectronics
Part Number EUP8209-8.4A
Manufacturer Eutech Microelectronics
Description Switch Mode Li-Ion/Polymer Battery Charger
Published Jul 25, 2014
Detailed Description EUP8209-4.2/8.4/8.4A Switch Mode Li-Ion/Polymer Battery Charger DESCRIPTION The EUP8209 is a constant current, constant ...
Datasheet PDF File EUP8209-8.4A PDF File

EUP8209-8.4A
EUP8209-8.4A

Overview
EUP8209-4.
2/8.
4/8.
4A Switch Mode Li-Ion/Polymer Battery Charger DESCRIPTION The EUP8209 is a constant current, constant voltage Li-Ion battery charger controller that uses a current mode PWM step-down (buck) switching architecture.
With a 500kHz switching frequency, the EUP8209 provides a small, simple and efficient solution to fast charge one (4.
2V) or two (8.
4V) cell lithium-ion batteries.
The EUP8209 charges the battery in three phases: conditioning, constant current, and constant voltage.
An external sense resistor sets the charge current with ±10% accuracy.
An internal resistor divider and precision reference set the final float voltage to 4.
2V per cell with ± 1% accuracy.
An internal c...


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