Overview
The BQ24074RGTRG4 is a highly integrated single-cell Li-Ion and Li-Polymer battery charger IC manufactured by Texas Instruments. Designed for portable applications, this product combines a power path management system, a high-efficiency synchronous buck converter, and a battery charger in a compact package. It is specifically tailored for devices such as smartphones, tablets, and other portable electronics, offering a seamless charging experience with robust safety features. Its unique selling points include fast charging capabilities, thermal regulation, and advanced power path management, 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 | |
| Charge Current | Up to 1.5 | A | Programmable |
| Battery Voltage | 4.2 | V | Single-cell Li-Ion/Li-Polymer |
| Operating Temperature | -40 to 85 | °C | |
| Package | VQFN-16 | Compact footprint | |
| Efficiency | Up to 92 | % | High-efficiency buck converter |
| Thermal Regulation | Yes | Prevents overheating | |
| Power Path Management | Yes | Seamless system power delivery |
Key Features
- Integrated Power Path Management: Enables simultaneous charging and system operation.
- High-Efficiency Buck Converter: Reduces power loss and improves thermal performance.
- Programmable Charge Current: Supports flexible charging configurations.
- Thermal Regulation: Protects the device and battery from overheating.
- Compact Package: Ideal for space-constrained applications.
Applications
The BQ24074RGTRG4 is widely used in portable electronics, including smartphones, tablets, and handheld devices. Its advanced power path management ensures uninterrupted operation while charging, making it ideal for applications where continuous power is critical. Additionally, its compact size and high efficiency make it suitable for wearable devices and other small form-factor electronics. The charger's robust safety features, such as thermal regulation, ensure reliable performance in demanding environments.
Q & A
1. What is the maximum charge current supported by the BQ24074RGTRG4?
The BQ24074RGTRG4 supports a maximum charge current of up to 1.5 A, which is programmable.
2. What is the input voltage range for this IC?
The input voltage range is 4.35 V to 6.45 V.
3. Does the BQ24074RGTRG4 support thermal regulation?
Yes, it includes thermal regulation to prevent overheating.
4. What type of battery is compatible with this charger?
It is compatible with single-cell Li-Ion and Li-Polymer batteries.
5. What is the package type of the BQ24074RGTRG4?
It comes in a VQFN-16 package.
6. Can the BQ24074RGTRG4 charge and power the system simultaneously?
Yes, it features integrated power path management for simultaneous charging and system operation.
7. What is the efficiency of the buck converter in this IC?
The efficiency can reach up to 92%.
8. Is the charge current programmable?
Yes, the charge current is programmable.
9. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
10. What are the typical applications of the BQ24074RGTRG4?
Typical applications include smartphones, tablets, wearable devices, and other portable electronics.
