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See Technical Specifications

BQ21040DBVR +BOM

The BQ21040DBVR is a single input charger suitable for charging Li-Ion and Li-Pol batteries with a maximum current of 0.8A."

Manufacturer:

Texas Instruments
Mfr.Part #:

BQ21040DBVR
Datasheet:

BQ21040DBVR Datasheet (PDF)
Number Of Series Cells:

1
Charge Current (max) (A):

0.8
Vin (max) (V):

6.45
Cell Chemistry:

Li-Ion/Li-Polymer
EDA/CAD Models:

Request Free CAD Models for BQ21040DBVR

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BQ21040DBVR X-Ray Inspection

X-Ray inspection ensures product integrity by detecting internal defects without damaging external packaging. It reduces failure rates and enhances production efficiency, making it indispensable in the electronics components industry.

BQ21040DBVR General Description

The charger power stage and charge current sense functions are fully integrated into the bq21040, providing high accuracy current and voltage regulation loops, along with charge status display and termination. The pre-charge and termination current thresholds are fixed, while the fast charge current can be adjusted using an external resistor

Key Features

The BQ21040DBVR is a linear Li-Ion charger IC with power path management

It features programmable input current limiting, battery temperature monitoring, and charge status indication

It supports USB input, with an integrated USB detection circuit

The device is offered in a small SOT23 package

Application

Fast and efficient lithium-ion charging
Advanced technology for battery care
Smart solution for energy-conscious users

Specifications

Number of series cells	1	Charge current (max) (A)	0.8
Vin (max) (V)	6.45	Cell chemistry	Li-Ion/Li-Polymer
Battery charge voltage (min) (V)	4.2	Battery charge voltage (max) (V)	4.2
Absolute max Vin (max) (V)	30	Control topology	Linear
Control interface	Standalone (RC-Settable)	Features	BAT temp thermistor monitoring (hot/cold profile), Input OVP
Vin (min) (V)	3.5	Rating	Catalog
Operating temperature range (°C)	0 to 125