BQ25123YFPR

Battery Chargers Overview

The BQ25123YFPR is a highly integrated battery charge management IC from Texas Instruments, designed for wearable devices. It features a linear charger with an output current of 300 mA and supports lithium-ion, lithium-polymer, and LiFePO4 batteries. The regulated output voltage ranges from 3.6 V to 4.65 V. Operating supply voltage spans 3.15 V to 5.25 V. The device operates within a temperature range of -40°C to +125°C and is housed in a 25-DSBGA package (2.53x2.47 mm).

Battery Chargers Feature Summary

• Integrates linear charger and regulated output functions for compact wearable designs.
• Supports multiple battery chemistries including lithium-ion, lithium-polymer, and LiFePO4.
• Provides high thermal performance suitable for demanding operating environments.

Battery Chargers Applications

• Wearable electronic devices requiring compact power management.
• Portable consumer electronics utilizing lithium-based batteries.
• Battery-powered IoT sensors and modules.

Battery Chargers Procurement Notes

Verify the specific suffix YFPR corresponds to the 25-DSBGA tape-and-reel packaging configuration. Confirm that the application circuitry aligns with the 300 mA output current limit and the specified input voltage range of 3.15 V to 5.25 V. Ensure thermal management strategies accommodate the maximum operating temperature of +125°C for reliable long-term operation in enclosed spaces.

Battery Chargers Selection Notes

Select this component when space constraints necessitate a highly integrated solution combining charging and regulation in a small footprint. It is appropriate for applications requiring support for various lithium battery types without separate discrete components. Consider the 300 mA output capability against the target device's power consumption requirements to ensure adequate charging speed and system stability.

Battery Chargers Part Context

This part belongs to the BQ2512xA series of battery charge management ICs. These devices are engineered specifically for the stringent size and efficiency demands of modern wearable technology. The series emphasizes integration to reduce bill-of-materials count and simplify PCB layout for compact form factors.

Battery Chargers Replacement Considerations

The BQ25121AYFPT is a related variant within the same family offering similar integration but with different electrical characteristics. Verify compatibility regarding output current ratings and package dimensions before substitution.