Texas Instruments BQ24103ARHLT

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series bqSWITCHER™
Packaging Cut Tape (CT) | Tape & Reel (TR)
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1 ~ 2
Current - Charging Constant - Programmable
Programmable Features Current, Timer
Fault Protection Over Temperature, Over Voltage
Charge Current - Max 2A
Battery Pack Voltage 8.4V
Voltage - Supply (Max) 16V
Interface -
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Supplier Device Package 20-VQFN (3.5x4.5)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The BQ24103ARHLT is a switch-mode battery charger IC from Texas Instruments, designed for 1 to 2 series Lithium Ion or Lithium Polymer cells. It provides a maximum charge current of 2A and supports a battery pack voltage of 8.4V. The device features over-temperature and over-voltage protection for enhanced safety. Housed in a 20-VFQFN exposed pad package, it operates over an ambient temperature range of -40°C to 85°C, ideal for portable and industrial multi-cell applications.

  • Dual protection with over-temperature and over-voltage safeguards ensures safe charging in demanding conditions.
  • 2A charge current supports rapid charging for 2S Li-ion/LiPo packs.
  • Flexible 1-2 cell configuration suits a wide range of portable devices.
  • Wide -40°C to 85°C ambient temperature range enables outdoor deployment.
  • Compact VFQFN package minimizes PCB area in space-limited designs.

2S Li-ion Power Banks

High-capacity power banks using 2S packs benefit from 2A charging and over-voltage protection for safe operation.

Portable Speakers

Large Bluetooth speakers with 2S Li-ion batteries require robust charging with thermal and voltage safeguards.

Electric Bicycle Accessories

Lights, displays, and locks on e-bikes can use this charger for their 2S auxiliary battery packs.

Medical Monitoring Devices

Portable patient monitors with 2S packs need reliable charging with over-temperature and over-voltage protection.

Outdoor Security Cameras

Battery-powered security cameras operating in -40°C environments benefit from the wide temperature range.

Q: What battery chemistry does the BQ24103ARHLT support?
A: It supports Lithium Ion and Lithium Polymer batteries.
Q: How many battery cells can this charger handle?
A: It supports 1 to 2 cells in series.
Q: What is the maximum charge current?
A: The maximum charge current is 2A.
Q: What is the battery voltage rating?
A: The battery pack voltage is 8.4V.
Q: What fault protection is included?
A: It includes over temperature and over voltage protection.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (TA).
Base Product Number : BQ24103ARHLT
1-2 Cells 2A 8.4V Battery Charger Lithium Ion Lithium Polymer Switch-Mode Charger Texas Instruments VFQFN
Q: What battery chemistry does the BQ24103ARHLT support?
A: It supports Lithium Ion and Lithium Polymer batteries.
Q: How many battery cells can this charger handle?
A: It supports 1 to 2 cells in series.
Q: What is the maximum charge current?
A: The maximum charge current is 2A.
Q: What is the battery voltage rating?
A: The battery pack voltage is 8.4V.
Q: What fault protection is included?
A: It includes over temperature and over voltage protection.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C (TA).