Part Number
|
CN3781 |
Manufacturer
|
CONSONANCE |
Description
|
Standalone Li-ion Battery Charger IC |
Published
|
Apr 6, 2018 |
Detailed Description
|
CONSONANCE
4A, Standalone Li-ion Battery Charger IC
With Automatic Charge Current Adjustment
CN3781
General Descript...
|
Datasheet
|
CN3781
|
Overview
CONSONANCE
4A, Standalone Li-ion Battery Charger IC
With Automatic Charge Current Adjustment
CN3781
General Descriptions:
The CN3781 is a PWM switch-mode lithium ion battery charger controller for 1 cell li-ion battery in a small package using few external components.
The CN3781 is specially designed for charging lithium ion batteries with constant current and constant voltage mode.
In constant voltage mode, the regulation voltage can be fixed at 4.
2V with ± 1% accuracy, also can be adjusted upward with an external resistor.
The constant charge current is programmable with a single current sense resistor.
An on-chip circuit block can automatically adjust charge current based on the outpu...
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