Overview
The BQ25125YFPR is a highly integrated, single-cell Li-Ion and Li-Polymer battery charger IC manufactured by Texas Instruments. Designed for compact and portable applications, this product is ideal for wearables, IoT devices, and other space-constrained electronics. Its market positioning targets developers and engineers seeking efficient, small-footprint charging solutions with advanced features. The BQ25125YFPR stands out for its ultra-low quiescent current, high charging efficiency, and comprehensive protection mechanisms, making it a competitive choice in the battery management market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.5 to 5.5 | V | |
| Charging Voltage Range | 3.0 to 4.62 | V | Programmable |
| Maximum Charge Current | 500 | mA | |
| Quiescent Current | 300 | nA | Typical |
| Operating Temperature Range | -40 to 85 | °C | |
| Package | DSBGA | 9-ball, 1.2 mm x 1.2 mm | |
| Protection Features | Thermal Regulation, Overvoltage, Short Circuit |
Key Features
- Ultra-low quiescent current for extended battery life in standby mode.
- Programmable charging voltage and current for flexible application needs.
- Integrated thermal regulation to prevent overheating during charging.
- Compact DSBGA package for space-constrained designs.
- Comprehensive protection features including overvoltage and short circuit protection.
Applications
The BQ25125YFPR is widely used in portable and wearable devices such as smartwatches, fitness trackers, and wireless earbuds. It is also suitable for IoT devices like sensors and smart home gadgets, where efficient battery management is critical. Its small form factor and low power consumption make it an excellent choice for applications requiring long battery life and minimal space usage.
Q & A
1. What is the input voltage range of the BQ25125YFPR?
The input voltage range is 3.5V to 5.5V.
2. Can the charging voltage be adjusted?
Yes, the charging voltage is programmable from 3.0V to 4.62V.
3. What is the maximum charge current supported?
The maximum charge current is 500mA.
4. How low is the quiescent current?
The quiescent current is typically 300nA.
5. What package does the BQ25125YFPR use?
It comes in a 9-ball DSBGA package measuring 1.2 mm x 1.2 mm.
6. Does it include thermal regulation?
Yes, it features integrated thermal regulation to prevent overheating.
7. What protection features are included?
It includes overvoltage and short circuit protection.
8. Is it suitable for wearables?
Yes, it is ideal for wearables due to its compact size and low power consumption.
9. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
10. Can it be used in IoT devices?
Yes, it is well-suited for IoT devices requiring efficient battery management.
