BQ25898CYFFT

Battery Chargers Overview

The BQ25898CYFFT is a single-cell lithium-ion and lithium-polymer battery charger IC manufactured by Texas Instruments. It operates within a supply voltage range of 3.9 V to 14 V and supports output voltages from 4.5 V to 5.5 V. The device features an I2C interface for control and communication. It is housed in a 42-DSBGA package with dimensions of 2.8x2.5 mm. The component functions across a temperature range of -40°C to 85°C.

Battery Chargers Feature Summary

• I2C controlled single-cell fast charging architecture
• Integrated MaxCharge technology for optimized thermal performance
• Supports lithium-ion and lithium-polymer battery chemistries
• Includes over-temperature and over-voltage fault protection

Battery Chargers Applications

• Smartphones and mobile phones
• Tablets and portable computing devices
• Wearable electronics
• Bluetooth headsets and audio accessories

Battery Chargers Procurement Notes

Verify the specific suffix CYFFT against official Texas Instruments documentation to confirm package type, temperature grade, and RoHS compliance status. Ensure that the ordering information matches the required 42-DSBGA footprint and electrical specifications before procurement. Cross-reference datasheet revisions to avoid discrepancies in pinout or functional parameters.

Battery Chargers Selection Notes

Select this component when designing systems requiring a compact, single-cell charging solution with I2C programmability. The small DSBGA package suits space-constrained applications. Confirm that the system power supply can provide up to 14 V input and that the host controller supports the necessary I2C communication protocol for configuration and monitoring.

Battery Chargers Part Context

This part belongs to the BQ25898 family of high-efficiency switch-mode battery chargers. The family is designed for portable consumer electronics, offering integrated power path management and fuel gauge functionality. The CYFFT variant specifically denotes the commercial temperature grade and the 42-ball DSBGA package format used in modern slim devices.

Battery Chargers Replacement Considerations

Compatible alternatives within the same family include BQ25898YFFT and BQ25898DYFFT. Verify pin-to-pin compatibility and electrical parameter alignment with the original design requirements before substitution. Consult the manufacturer's selection guide for differences in temperature ranges and package options.