BQ24156AYFFT

Battery Chargers Overview

The BQ24156AYFFT is a fully integrated switch-mode single-cell lithium-ion battery charger manufactured by Texas Instruments. It operates within an input voltage range of 4 V to 9 V and delivers a maximum output current of 1.5 A with a fixed output voltage of 4.2 V. The device utilizes a DSBGA-20 package for surface-mount installation. It supports Lithium-ion and Lithium Polymer chemistries and functions reliably across an operating temperature range from -40 °C to +85 °C.

Battery Chargers Feature Summary

• Fully integrated switch-mode architecture designed for single-cell lithium-ion and lithium-polymer batteries
• Supports operation with standard USB power sources within the specified input voltage range
• Includes comprehensive protection mechanisms against overvoltage and thermal conditions

Battery Chargers Applications

• Portable consumer electronics requiring compact power management solutions
• USB-powered devices needing efficient single-cell battery charging
• Handheld equipment utilizing lithium-ion or lithium-polymer energy storage

Battery Chargers Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm datasheet revisions and RoHS compliance details before integration. Ensure supply chain stability as availability may be restricted in certain regions. Validate package markings against official specifications to prevent counterfeit risks during procurement.

Battery Chargers Selection Notes

Select this component for designs requiring a compact, fully integrated solution for single-cell charging. The fixed 4.2 V output suits standard lithium-ion cells. Consider the DSBGA-20 footprint for space-constrained layouts. Verify that the 1.5 A current rating meets system requirements and that the 4 V to 9 V input range aligns with available power sources.

Battery Chargers Part Context

This part belongs to the BQ2415xA series of battery chargers. It shares architectural similarities with other models in the family but differs in specific electrical parameters and pin configurations. The series targets applications demanding high efficiency and minimal external component count for portable power management systems.

Battery Chargers Replacement Considerations

Public documentation indicates the BQ24156A series is discontinued. No direct public substitute part numbers are confirmed for this specific variant. Evaluate alternative single-cell chargers from the manufacturer's current portfolio based on required input voltage and current specifications.