ISL9220AIRTZ-T7A

Battery Chargers Overview

The ISL9220AIRTZ-T7A is a switching charger IC designed for 1-cell and 2-cell Li-ion and Li-Polymer batteries. It supports input voltages up to 12V and delivers programmable charging currents. The device integrates thermal regulation and operates within a temperature range of -40°C to +85°C. Packaged in a 20-WFQFN exposed pad, it offers a compact solution for portable applications requiring efficient battery management.

Battery Chargers Feature Summary

• Supports charging for single and dual-cell lithium-based battery configurations
• Integrates thermal regulation to manage heat during high-current operation
• Provides programmable constant current and constant voltage charging profiles

Battery Chargers Applications

• Portable electronic devices with 1-cell or 2-cell battery packs
• Smart earbuds case chargers
• Consumer electronics requiring compact power management solutions

Battery Chargers Procurement Notes

Verify the specific suffix T7A indicates tape and reel packaging when ordering. Confirm the 20-pin WQFN package dimensions match your PCB footprint requirements. Ensure compatibility with the intended cell chemistry and voltage levels before integration into the final design.

Battery Chargers Selection Notes

Select this component for applications requiring integrated charge management for 1 or 2 series cells. It is suitable where space constraints favor a small QFN package over larger alternatives. Consider its thermal performance characteristics if operating in enclosed environments without active cooling.

Battery Chargers Part Context

This part belongs to the ISL9220 family from Renesas, which focuses on cost-effective battery charging solutions. It complements other PMIC offerings by providing dedicated functionality for lithium-ion systems in mobile and wearable sectors.

Battery Chargers Replacement Considerations

Check for direct pin-compatible substitutes within the same manufacturer's portfolio. Verify that alternative parts support the same cell count and input voltage range. Ensure thermal and electrical specifications meet or exceed original requirements.