Overview
The BQ24155RGYR is a highly integrated battery charge controller IC manufactured by Texas Instruments. Designed for single-cell Li-ion and Li-polymer batteries, this IC offers a compact solution for portable devices requiring efficient power management. With its 14-VQFN package, it is well-suited for space-constrained applications. The BQ24155RGYR is targeted at consumer electronics, industrial devices, and other portable equipment, offering a competitive edge with its high integration and robust performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 5.5 | V | |
| Charge Current | Up to 2.5 | A | |
| Package | 14-VQFN | ||
| Operating Temperature | -40 to 85 | °C | |
| Switching Frequency | 1.6 | MHz |
Key Features
- Integrated synchronous buck converter for efficient charging.
- Programmable charge current and voltage for flexible application.
- Thermal regulation to ensure safe operation under high temperatures.
- Automatic power path management for seamless switching between battery and adapter power.
Applications
The BQ24155RGYR is widely used in portable electronics such as smartphones, tablets, and handheld devices. It is also suitable for industrial applications like portable medical devices and handheld scanners, where reliable and efficient battery charging is critical. Its compact design and high efficiency make it ideal for space-constrained and power-sensitive applications.
Q & A
1. What is the maximum input voltage for the BQ24155RGYR?
The maximum input voltage is 5.5V.
2. Can the BQ24155RGYR charge multiple battery cells?
No, it is designed for single-cell Li-ion or Li-polymer batteries.
3. What is the typical charge current?
The charge current can be programmed up to 2.5A.
4. Is the BQ24155RGYR suitable for industrial applications?
Yes, it is suitable for industrial portable devices.
5. Does it support thermal regulation?
Yes, it includes thermal regulation to prevent overheating.
6. What is the switching frequency of the IC?
The switching frequency is 1.6MHz.
7. Can it operate in extreme temperatures?
Yes, it operates in temperatures ranging from -40°C to 85°C.
8. Does it support automatic power path management?
Yes, it supports seamless switching between battery and adapter power.
9. What is the package type of the BQ24155RGYR?
It comes in a 14-VQFN package.
10. Is the BQ24155RGYR RoHS compliant?
Yes, it is RoHS compliant.
