Overview
The BQ24617RGET is a highly efficient, synchronous switch-mode battery charge controller manufactured by Texas Instruments. Designed for single-cell, two-cell, or three-cell Li-Ion and Li-Polymer batteries, this product is ideal for portable applications such as notebooks, tablets, and handheld devices. The BQ24617RGET stands out for its integrated MOSFETs, high charging accuracy, and robust protection features, making it a competitive choice in the battery management market. Its target users include engineers and designers working on portable electronics and battery-powered systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 24 | V | Wide input range for flexibility |
| Battery Voltage Range | 3.0 to 18 | V | Supports 1-3 cell Li-Ion/Li-Polymer |
| Charging Current | Up to 8 | A | Programmable for various applications |
| Switching Frequency | 300 to 550 | kHz | Adjustable for efficiency optimization |
| Operating Temperature | -40 to 125 | °C | Wide temperature range for robustness |
| Package | VQFN-24 | - | Compact and space-saving design |
| Integrated MOSFETs | Yes | - | Reduces external component count |
| Protection Features | Overvoltage, Overcurrent, Thermal Shutdown | - | Ensures safe operation |
Key Features
- High Efficiency: Synchronous buck architecture ensures minimal power loss during charging.
- Integrated MOSFETs: Reduces external component count and board space.
- Programmable Charging Current: Adjustable up to 8A for versatile applications.
- Wide Input Voltage Range: Supports 4.5V to 24V, making it suitable for various power sources.
- Comprehensive Protection: Includes overvoltage, overcurrent, and thermal shutdown for safe operation.
Applications
The BQ24617RGET is widely used in portable electronics, including notebooks, tablets, and handheld devices. Its high efficiency and compact design make it ideal for battery-powered systems where space and power consumption are critical. Additionally, it is suitable for industrial applications such as medical devices and portable test equipment, where reliable battery charging is essential. The device's robust protection features ensure safe operation in demanding environments.
Q & A
1. What is the maximum charging current supported by the BQ24617RGET?
The BQ24617RGET supports a programmable charging current of up to 8A.
2. What types of batteries are compatible with this charger?
It is compatible with single-cell, two-cell, or three-cell Li-Ion and Li-Polymer batteries.
3. What is the input voltage range for this device?
The input voltage range is 4.5V to 24V.
4. Does the BQ24617RGET have integrated MOSFETs?
Yes, it features integrated MOSFETs, reducing the need for external components.
5. What protection features are included?
It includes overvoltage, overcurrent, and thermal shutdown protection.
6. What is the operating temperature range?
The device operates within a temperature range of -40°C to 125°C.
7. What package does the BQ24617RGET come in?
It is available in a VQFN-24 package.
8. Can the switching frequency be adjusted?
Yes, the switching frequency is adjustable between 300kHz and 550kHz.
9. Is this charger suitable for industrial applications?
Yes, its robust design and protection features make it suitable for industrial applications.
10. Where can I find more detailed technical information?
Detailed technical information can be found in the official datasheet provided by Texas Instruments.
