Overview
The BQ25898DYFFR is a highly integrated switching-mode battery charge management and system power path management device, designed and manufactured by Texas Instruments. This product is tailored for single-cell Li-Ion and Li-Polymer batteries, offering a compact and efficient solution for portable devices. The BQ25898DYFFR is particularly suited for applications requiring high charging efficiency and fast charging capabilities. Its market positioning targets consumer electronics, portable medical devices, and industrial handheld devices, where battery life and quick recharge times are critical. The product stands out for its advanced features like I2C interface for flexible control, integrated synchronous buck converter, and comprehensive safety protections, making it a competitive choice in the battery management space.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.9 to 14 | V | Adjustable via I2C |
| Charging Current | Up to 5 | A | Programmable |
| Battery Voltage | 3.5 to 4.65 | V | Adjustable |
| Efficiency | Up to 92 | % | At full load |
| Operating Temperature | -40 to +85 | °C | |
| Package | WSON | 10-pin | |
| Interface | I2C | For configuration and monitoring |
Key Features
- High-Efficiency Synchronous Buck Converter: Reduces power loss and improves charging speed.
- I2C Programmable Settings: Offers flexibility in charging parameters like voltage and current.
- Integrated Safety Features: Includes thermal regulation, input current optimization, and battery temperature monitoring.
- Compact Package: The WSON-10 package is ideal for space-constrained applications.
Applications
The BQ25898DYFFR is extensively used in a variety of applications including smartphones, tablets, and portable medical devices. Its ability to provide fast charging and efficient power management makes it ideal for consumer electronics that require frequent and rapid recharging. Additionally, its robust safety features and compact size make it suitable for industrial handheld devices, ensuring reliable operation in challenging environments.
Q & A
1. What is the maximum charging current supported by the BQ25898DYFFR?
The BQ25898DYFFR supports a maximum charging current of up to 5A.
2. Can the BQ25898DYFFR charge multiple battery types?
Yes, it is designed for single-cell Li-Ion and Li-Polymer batteries.
3. How does the I2C interface benefit the user?
The I2C interface allows for flexible control and monitoring of charging parameters, enhancing user convenience and system integration.
4. What are the key safety features of the BQ25898DYFFR?
It includes thermal regulation, input current optimization, and battery temperature monitoring to ensure safe operation.
5. What is the input voltage range for the BQ25898DYFFR?
The input voltage range is from 3.9V to 14V, adjustable via I2C.
6. Is the BQ25898DYFFR suitable for industrial applications?
Yes, its robust design and safety features make it suitable for industrial handheld devices.
7. What is the efficiency of the BQ25898DYFFR?
It offers up to 92% efficiency at full load.
8. What package does the BQ25898DYFFR come in?
It comes in a WSON-10 package, ideal for space-constrained applications.
9. Can the charging current be programmed?
Yes, the charging current is programmable via the I2C interface.
10. What is the operating temperature range of the BQ25898DYFFR?
It operates within a temperature range of -40°C to +85°C.
