BQ25898DYFFT

Battery Chargers Overview

The BQ25898DYFFT is an I2C-controlled single-cell fast charger featuring MaxCharge Technology. It supports a maximum charge current of 4 A and operates with an input supply voltage range of 3.9 V to 14 V. The device regulates the battery charging voltage between 4.5 V and 5.5 V. It utilizes a 42-DSBGA package measuring 2.8 mm by 2.5 mm. The component functions within an operating temperature range from -40 °C to 125 °C.

Battery Chargers Feature Summary

• Integrates switch-mode battery charging management with system power path management for optimized efficiency.
• Features a low-impedance power path that reduces heat generation and extends battery cycle life during discharge.
• Supports high-input voltage fast charging capabilities for lithium-ion and lithium-polymer batteries.

Battery Chargers Applications

• Single-cell lithium-ion battery charging systems
• Single-cell lithium-polymer battery charging systems
• Portable electronic devices requiring efficient power path management

Battery Chargers Procurement Notes

Verify the specific suffix DYFFT against the manufacturer datasheet to confirm package dimensions and thermal characteristics. Ensure compatibility with I2C bus requirements and check for RoHS compliance status in official documentation before integration.

Battery Chargers Selection Notes

Select this component for applications requiring high-efficiency charging of single-cell Li-ion or Li-Po batteries. The integrated power path management is suitable for systems needing simultaneous charging and operation. Verify that the 4 A current capability aligns with the target battery specifications and thermal design constraints.

Battery Chargers Part Context

This part belongs to the BQ25898 family of highly integrated switched-mode battery chargers. The series is designed for portable electronics, offering flexible configuration via I2C interface. The DSBGA package provides a compact footprint suitable for space-constrained designs.

Battery Chargers Replacement Considerations

Consult the manufacturer datasheet for verified pin-to-pin compatible alternatives within the same product family. Cross-reference electrical parameters such as input voltage range and maximum charge current when evaluating substitutes.