Texas Instruments · Battery Management

BQ21040DBVT

Texas Instruments Battery Management · SOT-23-6

Part-number family from Benchmarq Microelectronics (now Texas Instruments, 1998). Older stock may carry Benchmarq Microelectronics markings.

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The BQ21040DBVT is a Battery Management from Texas Instruments, supplied in a SOT-23-6 package. It is listed in our Battery Management ICs catalog (Power Management).

Key specifications of the BQ21040DBVT: charging saturation voltage 4.2V, charge current - max 800mA, battery temperature detection Support, 0v battery charge Support, end-off voltage 2.5V and number of cells 1.

PartnerSemi sources the BQ21040DBVT for production, repair and maintenance buyers worldwide. Send the quantity you need and, optionally, a target price; we reply with price, lead time and available date codes, usually within one business day.

Specifications

Manufacturer part numberBQ21040DBVT
ManufacturerTexas Instruments
Heritage brand (part family)Benchmarq Microelectronics
Product typeBattery Management
CategoryBattery Management ICs
Package / caseSOT-23-6
0V Battery ChargeSupport
Battery Temperature DetectionSupport
Charge Current - Max800mA
Charging Saturation Voltage4.2V
End-Off Voltage2.5V
Number of Cells1
Operating Temperature0°C~+125°C
Supply Current (Iq)125uA
The Chip TypeCharging IC
Type of BatteryLithium Battery
Voltage - Supply4.45V~6.45V

Specifications are indicative and taken from public catalog data; always verify against the manufacturer's datasheet.

More Texas Instruments Battery Management ICs

Part numberTypePackageKey specs
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BQ20Z80-V110 battery management IC
BQ21040 battery management IC
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BQ21061 battery management IC
BQ21062 battery management IC
BQ21080 battery management IC
BQ21080YBGR Battery Management DSBGA-8(1.6x1.1) I2C4.65V

Frequently asked questions

What is the BQ21040DBVT?

The BQ21040DBVT is a Battery Management from Texas Instruments, supplied in a SOT-23-6 package. It is listed in our Battery Management ICs catalog (Power Management).

What are the specifications of the BQ21040DBVT?

0V Battery Charge: Support; Battery Temperature Detection: Support; Charge Current - Max: 800mA; Charging Saturation Voltage: 4.2V; End-Off Voltage: 2.5V; Number of Cells: 1; Operating Temperature: 0°C~+125°C; Supply Current (Iq): 125uA; The Chip Type: Charging IC; Type of Battery: Lithium Battery; Voltage - Supply: 4.45V~6.45V.

What package is the BQ21040DBVT in?

The BQ21040DBVT is listed in a SOT-23-6 package.

Which part numbers are similar to the BQ21040DBVT?

Similar part numbers in our catalog include BQ20Z80-V102 (Texas Instruments), BQ20Z80-V110 (Texas Instruments), BQ21040 (Texas Instruments), BQ21040DBVR (Texas Instruments), BQ21061 (Texas Instruments) and BQ21062 (Texas Instruments). Similar numbering does not guarantee compatibility; check the datasheets or ask us to confirm.

How can I buy the BQ21040DBVT?

Request a quote from PartnerSemi at https://www.partnersemi.com/rfq/?mpn=BQ21040DBVT&brand=Texas%20Instruments or email info@partnersemi.com with the part number and quantity. Price, availability and lead time are confirmed per request; we ship worldwide from the Netherlands.