BQ25157YFPR

Battery Chargers Overview

The BQ25157YFPR is a single-cell linear battery charger manufactured by Texas Instruments. It provides a regulated output current of 500 mA for charging lithium-ion or lithium-polymer batteries. The device operates within an input voltage range of 4 V to 6 V and supports a junction temperature range from -40°C to +85°C. It utilizes a DSBGA-20 surface-mount package. The component includes thermal regulation to limit junction temperature during high-power dissipation.

Battery Chargers Feature Summary

• Integrated linear charge management architecture for single-cell applications
• Thermal regulation circuitry to manage power dissipation automatically
• Supports standard lithium-ion and lithium-polymer battery chemistries

Battery Chargers Applications

• Portable consumer electronics requiring single-cell power sources
• Wearable technology devices with limited space constraints
• IoT sensors utilizing small form-factor batteries

Battery Chargers Procurement Notes

Verify the specific suffix YFPR against the manufacturer datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the target system's input voltage limits and thermal requirements before integration. Confirm RoHS compliance status through official documentation.

Battery Chargers Selection Notes

Select this component for designs requiring a compact, low-component-count solution for single-cell charging. Evaluate the thermal performance of the PCB layout to ensure adequate heat dissipation given the linear topology. Consider the maximum input voltage constraint when designing the power supply interface.

Battery Chargers Part Context

This part belongs to the BQ25157 series of battery chargers. It is designed as a cost-effective alternative to switching regulators in applications where efficiency is secondary to board space and simplicity. The series targets portable devices needing reliable single-cell management.

Battery Chargers Replacement Considerations

BQ25157YFFT