BQ24257RGER

Battery Chargers Overview

The BQ24257RGER is a single-cell lithium-ion and lithium-polymer battery charge management IC from Texas Instruments. It supports an input voltage range up to 18 V and delivers a programmable charging current of 2 A. The device operates in switch-mode topology with I2C control interface. It features an adjustable output voltage and functions within a junction temperature range of -40 °C to +85 °C. The component is housed in a DSBGA-30 package designed for surface-mount technology applications.

Battery Chargers Feature Summary

• Supports high-voltage input sources up to 18 V for flexible power supply integration
• Integrates I2C digital interface for precise configuration and monitoring of charging parameters
• Utilizes switch-mode architecture to enhance energy conversion efficiency during the charging cycle

Battery Chargers Applications

• Portable electronic devices requiring efficient single-cell battery charging
• Industrial equipment utilizing high-voltage auxiliary power inputs
• Consumer electronics with strict space constraints due to compact packaging

Battery Chargers Procurement Notes

Verify the specific suffix RGER against official datasheets to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status through manufacturer documentation prior to integration. Ensure design compatibility with the DSBGA-30 footprint and thermal requirements. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Battery Chargers Selection Notes

Select this component when system designs require handling input voltages significantly higher than standard USB levels while maintaining single-cell chemistry support. The I2C interface is suitable for systems needing dynamic adjustment of charge profiles. Consider the DSBGA-30 package dimensions against available PCB real estate. Evaluate thermal dissipation capabilities relative to the expected ambient operating environment.

Battery Chargers Part Context

This device belongs to the BQ2425x family of charge management controllers. It shares functional similarities with models like the BQ24250 and BQ24259 but distinguishes itself through its extended input voltage capability. The family targets portable applications where power source versatility and charging efficiency are critical design parameters.

Battery Chargers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility and electrical parameter alignment before considering alternative components from other manufacturers or different series within the same product line.