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CN3702

CONSONANCE
Part Number CN3702
Manufacturer CONSONANCE
Description Standalone Li-ion Battery Charger
Published Apr 6, 2018
Detailed Description CONSONANCE 5A, Standalone Li-ion Battery Charger CN3702 General Descriptions: The CN3702 is a PWM switch-mode lithium ...
Datasheet PDF File CN3702 PDF File

CN3702
CN3702

Overview
CONSONANCE 5A, Standalone Li-ion Battery Charger CN3702 General Descriptions: The CN3702 is a PWM switch-mode lithium ion battery charger controller for 2 cell li-ion battery in a small package using few external components.
The CN3702 is specially designed for charging lithium ion batteries with constant current and constant voltage mode.
In constant voltage mode, the regulation voltage is fixed at 8.
4V with ±1% accuracy.
The constant charging current is programmable with a single sense resistor.
Deeply discharged batteries are automatically trickle charged at 15% of the programmed constant charging current until the cell voltage exceeds 2.
8V/cell.
The charge cycle is terminated once the charging current drops to a level set by an on-chip resistor and an external resistor, and a new charge cycle automatically restarts if the battery voltage falls below 4V/cell.
CN3702 will automatically enter sleep mode when input voltage is lower than battery voltage.
Other features include underv...


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