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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Tube
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant
Programmable Features Current, Timer
Fault Protection Over Temperature, Short Circuit
Charge Current - Max 500mA
Battery Pack Voltage 4.1V
Voltage - Supply (Max) 13.5V
Interface -
Operating Temperature -40°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package 8-HVSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The BQ24205DGN is a highly integrated single-cell Lithium Ion/Polymer battery charger from Texas Instruments. It delivers a programmable charge current up to 500mA and a battery voltage of 4.1V. This charger includes essential protection features such as over-temperature and short-circuit monitoring. Housed in a compact 8-pin TSSOP/MSOP package with an exposed pad, it is designed for space-constrained portable and industrial applications.

  • Reliable Operation in Extreme Conditions: With a junction temperature range of -40°C to 125°C, it is built for industrial-grade applications.
  • Compact Design for Space-Limited Boards: The 8-TSSOP/MSOP package with an exposed pad allows for efficient thermal management in small form factors.
  • Essential Safety Protections: Integrated over-temperature and short-circuit protection safeguards the battery and the system.
  • Optimized for Single-Cell Li-Ion/Polymer: Provides a precise 4.1V charge voltage tailored for specific battery requirements.

Single-Cell Portable Electronics

Ideal for compact devices like Bluetooth headsets and wearable fitness trackers that require a safe, low-current charge for a single Lithium Ion/Polymer cell.

Industrial Sensor Nodes

With a junction temperature range of -40°C to 125°C, this charger is suitable for industrial sensor nodes deployed in harsh environments where temperature extremes are common.

Medical Monitoring Devices

Its built-in over-temperature and short-circuit protection ensures reliable and safe charging for portable medical monitors that demand high dependability.

Smart Home Controllers

Perfect for smart home devices like thermostats and security cameras that need a compact, efficient charging solution for their backup batteries.

Low-Power IoT Modules

Supports the low-power charging needs of IoT modules and beacons, ensuring they remain operational in remote or hard-to-access locations.

Q: What battery chemistry does the BQ24205DGN support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many battery cells can it charge?
A: It supports a single cell (1 cell).
Q: What is the maximum charge current?
A: The maximum charge current is 500mA.
Q: What is the battery pack voltage?
A: The battery pack voltage is 4.1V.
Q: What fault protection features are included?
A: It includes Over Temperature and Short Circuit protection.
Q: What is the operating temperature range?
A: The junction temperature range is -40°C to 125°C.
Base Product Number : BQ24205DGN
4.1V 500mA 8-MSOP 8-TSSOP Battery Charger Linear Battery Charger Lithium Ion/Polymer
Q: What battery chemistry does the BQ24205DGN support?
A: It is designed for Lithium Ion/Polymer batteries.
Q: How many battery cells can it charge?
A: It supports a single cell (1 cell).
Q: What is the maximum charge current?
A: The maximum charge current is 500mA.
Q: What is the battery pack voltage?
A: The battery pack voltage is 4.1V.
Q: What fault protection features are included?
A: It includes Over Temperature and Short Circuit protection.
Q: What is the operating temperature range?
A: The junction temperature range is -40°C to 125°C.