Texas Instruments BQ24161BRGET
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.43 | $5.43 |
| 15+ | $5.26 | $78.90 |
| 25+ | $5.15 | $128.75 |
| 50+ | $4.86 | $243.00 |
| 100+ | $4.29 | $429.00 |
| N+ | $0.86 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Current - Charging | Constant - Programmable |
| Programmable Features | - |
| Fault Protection | Over Temperature, Over Voltage |
| Charge Current - Max | 2.5A |
| Battery Pack Voltage | 3.7V |
| Voltage - Supply (Max) | 10V |
| Interface | I2C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 24-VFQFN Exposed Pad |
| Supplier Device Package | 24-VQFN (4x4) |
| ROHS |
The BQ24161BRGET is a versatile single-cell battery charger IC from Texas Instruments, engineered for Lithium Ion and Lithium Polymer batteries. It supports a maximum charge current of 2.5A for a 3.7V battery pack. The device features an I2C interface for precise control and monitoring of the charging process. Built-in over-temperature and over-voltage protection ensures safe and reliable operation. Packaged in a 24-VFQFN with exposed pad, it is designed for efficient thermal dissipation and operates across a -40°C to 85°C temperature range.
- Precise I2C Control: Enables real-time adjustments to charging current and voltage, optimizing the charge cycle for battery longevity.
- Broad Chemistry Compatibility: Works with both Li-Ion and Li-Polymer cells, offering greater design freedom.
- Comprehensive Protection: Over-temperature and over-voltage protection circuits safeguard the battery from common failure modes.
- Wide Operating Range: The -40°C to 85°C range supports use in both consumer and industrial applications.
High-End Smartphones
The I2C interface allows for fine-grained control of the charging cycle, enabling features like fast charging and battery health monitoring in premium smartphones.
Ultra-Thin Laptops and 2-in-1s
For devices using single-cell Li-Polymer batteries, this charger's 2.5A capability and compact 24-VFQFN package are ideal for slim form factors.
Portable Medical Devices
The over-voltage protection is critical for medical devices where battery safety is paramount, ensuring reliable operation without risk of damage.
Smart Wearables with Advanced Features
For smartwatches with larger batteries, the I2C interface allows the device to optimize charging based on temperature and usage patterns.
Portable Speakers with USB-C
This charger can be integrated into speakers that use USB-C for power, with the I2C interface managing input current limits and battery charging seamlessly.
Handheld Barcode Scanners
In logistics and retail, these scanners benefit from the wide -40°C to 85°C temperature range and reliable charging in demanding warehouse environments.
- Q: What battery chemistries does the BQ24161BRGET support?
- A: It supports both Lithium Ion and Lithium Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for single-cell (1s) battery packs.
- Q: What is the maximum charge current?
- A: The maximum charge current is 2.5A.
- Q: What is the battery voltage?
- A: The nominal battery voltage is 3.7V.
- Q: What fault protection features are included?
- A: It includes over-temperature and over-voltage protection.
- Q: What interface is used for control?
- A: It utilizes an I2C interface for communication and control.
- Q: What battery chemistries does the BQ24161BRGET support?
- A: It supports both Lithium Ion and Lithium Polymer batteries.
- Q: How many cells can it charge?
- A: It is designed for single-cell (1s) battery packs.
- Q: What is the maximum charge current?
- A: The maximum charge current is 2.5A.
- Q: What is the battery voltage?
- A: The nominal battery voltage is 3.7V.
- Q: What fault protection features are included?
- A: It includes over-temperature and over-voltage protection.
- Q: What interface is used for control?
- A: It utilizes an I2C interface for communication and control.

BQ24161BRGET.pdf