Product Overview: BQ24257YFFT from Texas Instruments
The BQ24257YFFT is a highly integrated battery charge management IC from Texas Instruments, designed to cater to the needs of modern portable devices. This advanced single-cell Li-Ion battery charger is the perfect solution for applications requiring efficient and safe charging operations, such as smartphones, tablets, and other handheld devices.
Key Features
- Flexible Power Management: The BQ24257YFFT supports input voltages ranging from 4.5V to 26V, making it versatile for various USB and adapter power sources.
- High-Efficiency Charging: With an integrated power FET, this IC provides high-efficiency charging, maximizing battery life and reducing heat generation.
- Power Path Management: The IC features intelligent power path management that allows the system to operate from a portable power source while simultaneously charging the battery.
- Programmable Charging Parameters: Charge current, input current limit, and other parameters can be programmed via an I2C interface, offering flexibility to accommodate different battery sizes and chemistries.
- Safety Features: BQ24257YFFT includes multiple safety features such as thermal regulation, overvoltage protection, and a timer for charge termination to ensure the battery charges safely.
Technical Specifications
| Parameter |
Value |
| Battery Chemistry |
Li-Ion |
| Input Voltage (V) |
4.5 to 26 |
| Charge Current (Max) |
2.5 A |
| Battery Voltage (Max) |
4.44 V |
| Operating Temperature Range (C) |
-40 to 85 |
| Package/Case |
DSBGA |
Applications
The BQ24257YFFT is suitable for a wide range of applications, particularly those that require efficient power management and safe charging for single-cell Li-Ion batteries. This includes portable electronics such as wearables, smart devices, and various IoT applications where space is at a premium and power efficiency is key.
With Texas Instruments' reputation for quality and reliability, the BQ24257YFFT stands out as a robust choice for designers looking to optimize their charging solutions.