Overview
The BQ24259RGER is a highly integrated single-cell Li-ion battery charger IC designed by Texas Instruments. This product is tailored for portable devices, offering a compact and efficient solution for battery charging management. Its market positioning targets designers of smartphones, tablets, and other portable electronics requiring reliable and fast charging capabilities. The BQ24259RGER stands out with its high efficiency, thermal regulation, and comprehensive protection features, making it a competitive choice in the battery charger IC market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.35 to 6.45 | V | Compatible with USB and adapter inputs |
| Charge Current | Up to 2 | A | Programmable |
| Battery Voltage | 4.2 | V | Supports single-cell Li-ion batteries |
| Operating Temperature | -40 to 85 | °C | Wide range for robust performance |
| Package | VQFN-24 | - | Compact form factor |
| Efficiency | Up to 92 | % | High efficiency for reduced power loss |
| Protection Features | Thermal, Overvoltage, Short Circuit | - | Comprehensive safety mechanisms |
Key Features
- High Efficiency: Up to 92% efficiency ensures minimal power loss during charging.
- Thermal Regulation: Automatically adjusts charge current to prevent overheating.
- Programmable Charge Current: Allows customization for different battery capacities.
- Compact Design: VQFN-24 package saves space in portable devices.
- Comprehensive Protection: Includes thermal, overvoltage, and short circuit protection for enhanced safety.
Applications
The BQ24259RGER is ideal for a wide range of portable devices, including smartphones, tablets, and handheld gaming consoles. Its high efficiency and compact design make it particularly suitable for space-constrained applications. Additionally, its robust protection features ensure reliable operation in demanding environments, making it a preferred choice for consumer electronics and industrial portable devices.
Q & A
1. What is the input voltage range of the BQ24259RGER?
The input voltage range is 4.35V to 6.45V, compatible with USB and adapter inputs.
2. What is the maximum charge current supported?
The maximum charge current is 2A, which is programmable based on application requirements.
3. Does it support single-cell Li-ion batteries?
Yes, it supports single-cell Li-ion batteries with a nominal voltage of 4.2V.
4. What is the operating temperature range?
The operating temperature range is -40°C to 85°C, ensuring reliable performance in various environments.
5. What package does the BQ24259RGER use?
It uses a VQFN-24 package, which is compact and suitable for portable devices.
6. What is the efficiency of this charger IC?
The efficiency is up to 92%, minimizing power loss during charging.
7. What protection features are included?
It includes thermal regulation, overvoltage protection, and short circuit protection.
8. Can the charge current be customized?
Yes, the charge current is programmable to suit different battery capacities.
9. Is it suitable for industrial applications?
Yes, its robust design and protection features make it suitable for industrial portable devices.
10. What are the key advantages of the BQ24259RGER?
Key advantages include high efficiency, thermal regulation, compact design, and comprehensive protection features.
