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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Battery Chemistry Lithium Iron Phosphate
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features -
Fault Protection Over Temperature, Over Voltage
Charge Current - Max 1A
Battery Pack Voltage 3.5V
Voltage - Supply (Max) 10.2V
Interface USB
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 10-WFDFN Exposed Pad
Supplier Device Package 10-WSON (3x2)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments BQ25070DQCT is a dedicated single-cell battery charger IC engineered for Lithium Iron Phosphate batteries. It delivers a programmable charge current up to 1A and is designed for a 3.5V battery pack. This charger integrates essential fault protection including over-temperature and over-voltage safeguards. Housed in a compact 10-WFDFN package, it operates across a wide temperature range, making it suitable for demanding portable and industrial applications.

  • Optimized for LiFePO4 chemistry: Ensures correct charging profile for this specific battery type, maximizing lifespan and safety.
  • Wide operating temperature range: Functions reliably from -40°C to 85°C, suitable for harsh environments.
  • Integrated protection: Over-temperature and over-voltage features safeguard the battery and system from damage.
  • USB interface compatibility: Simplifies integration into USB-powered devices for convenient charging.

Portable Medical Devices

Ideal for single-cell Lithium Iron Phosphate powered devices like glucose monitors and portable diagnostic tools, where the 1A charge current ensures fast and safe recharging.

Industrial Sensors

With an operating temperature range of -40°C to 85°C, this charger is suitable for remote industrial sensors that must function reliably in harsh environments.

Handheld Test Equipment

Provides a reliable charging solution for multimeters and other handheld instruments that use LiFePO4 batteries, ensuring consistent performance.

Emergency Lighting Systems

Used in backup lighting systems where the 3.5V battery voltage and robust protection features ensure safe and dependable operation.

Wireless Communication Devices

Supports single-cell LiFePO4 packs in portable radios and communication devices, offering a USB interface for convenient charging.

Q: What battery chemistry does the BQ25070DQCT support?
A: It is designed for Lithium Iron Phosphate batteries.
Q: How many battery cells can this charger handle?
A: It supports a single cell configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 1A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 3.5V.
Q: What fault protection features are included?
A: It includes Over Temperature and Over Voltage protection.
Q: What interface does it use?
A: It uses a USB interface.
Base Product Number : BQ25070
1A 3.5V Battery Charger Linear Battery Charger Lithium Iron Phosphate Texas Instruments WFDFN
Q: What battery chemistry does the BQ25070DQCT support?
A: It is designed for Lithium Iron Phosphate batteries.
Q: How many battery cells can this charger handle?
A: It supports a single cell configuration.
Q: What is the maximum charge current?
A: The maximum charge current is 1A.
Q: What is the battery pack voltage?
A: The battery pack voltage is 3.5V.
Q: What fault protection features are included?
A: It includes Over Temperature and Over Voltage protection.
Q: What interface does it use?
A: It uses a USB interface.