BU1840AMUV - Synchronous Switch-Mode Charger IC

Name: BU1840AMUV
SKU: BU1840AMUV-1294800

ROHM

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BU1840AMUV Datasheet Preview — Preview of BU1840AMUV PDF

Datasheet Details

Part number	BU1840AMUV
Manufacturer	ROHM
File Size	604.67 KB
Description	Synchronous Switch-Mode Charger IC
Datasheet	BU1840AMUV-ROHM.pdf

BU1840AMUV Product details

Description

The BU1840AMUV device provides the best system to the product charged with 1cell Li-ion battery and 3cell Nickel-metal-hydride batteries using the 2cell, 3cell, and 4cell solar panel.

Features

Synchronous Switch-Mode Charger for 2Cell Solar 400mA@Battery=3.7V,VIN=1V.
MPPT control voltage range：0.7V～1.5V.
Charging current completion voltage： 5.0V (hysteresis: 0.075V).
Built in MPPT.
Switching frequency (160kHz,320kHz).
Charging current monitor by I2C.
UVLO-detect Voltage:0.625V.
UVLO-release Voltage:0.700V.
Thermal Shutdown.
24 pin VQFN024V4040 (4.1mm×4.1mm).

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Published: Jul 23, 2018 |