Overview
The BQ24103RHLRG4 is a highly integrated battery charge management IC developed by Texas Instruments. This product is designed for single-cell Li-ion and Li-polymer battery applications, offering a compact and efficient solution for portable devices. Its market positioning targets manufacturers of consumer electronics, such as smartphones, tablets, and portable medical devices, who require reliable and fast charging capabilities. The BQ24103RHLRG4 stands out for its high charging efficiency, advanced thermal regulation, and robust safety features, making it a competitive choice in the battery management IC market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35 to 6.45 | V | |
| Charging Current | Up to 1.5 | A | Programmable |
| Battery Voltage Range | 3.5 to 4.44 | V | |
| Operating Temperature | -40 to 85 | °C | |
| Package | QFN-20 | 4x4 mm | |
| Efficiency | Up to 92 | % | |
| Integrated MOSFETs | Yes | ||
| Thermal Regulation | Yes | Prevents overheating | |
| Safety Features | Overvoltage, Overcurrent, Thermal Shutdown |
Key Features
- High Efficiency: Up to 92% efficiency ensures minimal energy loss during charging.
- Programmable Charging Current: Allows customization based on battery requirements.
- Integrated MOSFETs: Reduces external component count and PCB space.
- Thermal Regulation: Automatically adjusts charging parameters to prevent overheating.
- Comprehensive Safety Features: Includes overvoltage, overcurrent, and thermal shutdown protection.
Applications
The BQ24103RHLRG4 is widely used in portable electronic devices that require efficient and safe battery charging. Its applications include:
- Smartphones and Tablets: Provides fast and reliable charging for single-cell Li-ion batteries.
- Portable Medical Devices: Ensures safe and consistent power delivery for critical applications.
- Wearable Electronics: Compact design and high efficiency make it ideal for space-constrained devices.
- IoT Devices: Supports low-power devices with programmable charging capabilities.
Q & A
1. What is the maximum charging current supported by the BQ24103RHLRG4?
The maximum charging current is 1.5 A, which is programmable based on the application requirements.
2. Does the BQ24103RHLRG4 support thermal regulation?
Yes, it includes advanced thermal regulation to prevent overheating during charging.
3. What is the input voltage range for this IC?
The input voltage range is 4.35 V to 6.45 V.
4. Can the BQ24103RHLRG4 be used for multi-cell batteries?
No, it is specifically designed for single-cell Li-ion and Li-polymer batteries.
5. What safety features are included in this IC?
It includes overvoltage, overcurrent, and thermal shutdown protection.
6. What is the efficiency of the BQ24103RHLRG4?
It offers up to 92% efficiency, ensuring minimal energy loss.
7. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
8. Does the IC require external MOSFETs?
No, it integrates MOSFETs, reducing the need for external components.
9. What package does the BQ24103RHLRG4 come in?
It is available in a compact QFN-20 package measuring 4x4 mm.
10. Is the BQ24103RHLRG4 suitable for IoT devices?
Yes, its programmable charging capabilities and compact design make it ideal for IoT applications.
