Overview
The BQ24725RGRR is a highly efficient, synchronous buck battery charger controller from Texas Instruments, designed for single-cell Li-ion and Li-polymer batteries. This product is specifically engineered for portable electronics, offering advanced charging management and protection features. Its market positioning targets designers of compact, battery-powered devices such as laptops, tablets, and handheld instruments. The BQ24725RGRR stands out for its integration of multiple functionalities, including input current optimization, dynamic power management, and thermal regulation, making it a competitive choice for modern portable applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 24 | V | |
| Charge Voltage Range | 2.1 to 4.512 | V | |
| Charge Current Range | 0 to 10 | A | |
| Switching Frequency | 300 to 1000 | kHz | Adjustable |
| Operating Temperature | -40 to 85 | °C | |
| Package | VQFN-24 | ||
| Efficiency | Up to 95% | Typical | |
| Protection Features | Overvoltage, Overcurrent, Thermal Shutdown |
Key Features
- Advanced charging algorithm for optimal battery health and longevity.
- Dynamic power management for efficient energy utilization.
- Integrated thermal regulation to prevent overheating.
- Input current optimization for enhanced performance.
- Wide input voltage range for versatile applications.
Applications
The BQ24725RGRR is widely used in portable electronics, including laptops, tablets, and handheld devices. Its robust design and advanced features make it ideal for applications requiring reliable battery charging and power management. In industrial settings, it is employed in portable measurement instruments and data loggers. Additionally, its compact form factor and high efficiency make it suitable for consumer electronics such as digital cameras and portable gaming devices.
Q & A
1. What is the maximum charge current supported by the BQ24725RGRR?
The BQ24725RGRR supports a maximum charge current of 10A.
2. Can the BQ24725RGRR operate with a wide input voltage range?
Yes, it operates with an input voltage range of 4.5V to 24V.
3. What type of batteries is the BQ24725RGRR compatible with?
It is compatible with single-cell Li-ion and Li-polymer batteries.
4. Does the BQ24725RGRR include thermal regulation?
Yes, it features integrated thermal regulation to prevent overheating.
5. What is the typical efficiency of the BQ24725RGRR?
The typical efficiency is up to 95%.
6. What package does the BQ24725RGRR come in?
It comes in a VQFN-24 package.
7. Is the switching frequency adjustable?
Yes, the switching frequency is adjustable from 300kHz to 1000kHz.
8. What protection features are included?
It includes overvoltage, overcurrent, and thermal shutdown protection.
9. What are the typical applications of the BQ24725RGRR?
Typical applications include laptops, tablets, and handheld devices.
10. What is the operating temperature range of the BQ24725RGRR?
It operates within a temperature range of -40°C to 85°C.
