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Texas Instruments BQ25070DQCT — Power Management (PMIC / Gate Driver)
Texas Instruments

BQ25070DQCT LiFePO4 charger IC, USB, 1A, 10-WSON

MPNBQ25070DQCT
Active

Texas Instruments BQ25070DQCT, single-cell Lithium Iron Phosphate battery charger, USB interface, 1A max charge current, 10-WFDFN exposed pad package, -40°C to 85°C operation.

$2.6000Ref. price · indicative, final on quote
BQ25070DQCT datasheet
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MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
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Specifications

BQ25070DQCT Technical Specifications
ParameterValue
Mounting typeSurface Mount
Battery pack voltage3.5V
Voltage10.2V
Current - chargingConstant - Programmable
Charge current - max1A
InterfaceUSB
Operating temperature-40°C~85°C(TA)
PackageTape & Reel (TR); Cut Tape (CT)
Case10-WFDFN Exposed Pad
Number of cells1
Fault protectionOver Temperature, Over Voltage
Battery chemistryLithium Iron Phosphate

Product details

LiFePO4 charger with USB input

The Texas Instruments BQ25070DQCT is a single-cell Lithium Iron Phosphate (LiFePO4) battery charger IC designed for USB-powered applications. It integrates a constant-current programmable charge controller with a maximum charge current of 1A, over-temperature and over-voltage fault protection, and operates from a supply up to 10.2V.

Chemistry and voltage match

This part is specifically tailored for LiFePO4 cells with a battery pack voltage of 3.5V. It is not a general-purpose Li-ion or LiPo charger — those chemistries require a different termination voltage. The USB interface means the input can come directly from a USB port or a 5V regulated supply.

Package and mounting

Housed in a 10-WFDFN exposed pad package (10-WSON 3x2 mm), the BQ25070DQCT is a surface-mount device.

Frequently asked questions

Is BQ25070DQCT compatible with 3.7V Li-ion batteries?

No. The BQ25070DQCT is designed for Lithium Iron Phosphate (LiFePO4) cells with a 3.5V pack voltage. Charging a standard 3.7V Li-ion or LiPo cell with this IC would undercharge it and may not terminate correctly. Use a dedicated Li-ion charger for those chemistries.

Does BQ25070DQCT include over-temperature protection?

Yes. The BQ25070DQCT integrates over-temperature and over-voltage fault protection as part of its safety feature set, reducing the need for external monitoring components.