TS55101-QFNR

Overview

The TS55101-QFNR is a switching Li-Ion battery charger IC from Semtech Corporation, housed in a 16-QFN (3x3 mm) package. It supports an operating supply voltage range of 4.6 V to 16.5 V and delivers an output current of 50 mA at 5 V. The device operates with an input supply current of 3 mA and is designed for solar and NiMH battery charging applications.

Feature Summary

• Integrated switching regulator architecture for efficient battery charging
• Designed for compatibility with solar energy harvesting systems
• Supports charging of Nickel-Metal Hydride (NiMH) battery chemistries

Applications

• Solar-powered portable electronics
• NiMH battery management systems
• Low-power IoT devices requiring solar trickle charging

Procurement Notes

Verify the specific datasheet revision and ordering suffixes directly with Semtech or authorized distributors. Confirm that the 16-QFN package dimensions match your PCB footprint requirements. Ensure the input voltage range aligns with your system's power source specifications before procurement.

Selection Notes

Select this component when designing systems powered by variable sources like solar panels. It is suitable for applications requiring low quiescent current and support for NiMH batteries. Verify thermal performance within the 3x3 mm QFN package for your specific power dissipation needs.

Part Context

This part belongs to Semtech's battery management portfolio, focusing on efficient charge control for non-standard or renewable energy sources. It complements their broader ecosystem of analog and mixed-signal solutions for connected devices and industrial applications.

Replacement Considerations

Consult official cross-reference lists for direct replacements. Ensure any substitute maintains the 16-QFN footprint and 4.6-16.5 V input range. Verify compatibility with NiMH charging profiles if applicable.