AAT2550ISK-CAA-T1

Overview

The AAT2550ISK-CAA-T1 is a single-cell lithium-ion and lithium-polymer battery charger integrated circuit manufactured by Skyworks Solutions Inc. It features an integrated power switch for efficient charging management. The device supports input voltages up to 6V and provides programmable charge current and termination voltage. It includes comprehensive fault protection mechanisms such as thermal regulation, input over-voltage protection, and reverse polarity protection. The component is housed in a compact 24-pin VFQFN package with an exposed pad, designed for surface-mount assembly.

Feature Summary

• Integrated power switch eliminates external components
• Programmable charge current and termination voltage
• Thermal regulation and input over-voltage protection
• Reverse polarity protection for input supply

Applications

• Portable electronic devices requiring single-cell Li-Ion/Polymer charging
• Battery-powered consumer electronics
• Industrial control systems with backup batteries

Procurement Notes

Verify the exact suffix CAA-T1 against the manufacturer's official datasheet to confirm pinout and electrical specifications. Ensure the supplier provides genuine Skyworks Solutions Inc. products with traceable documentation. Check for RoHS compliance status if required by your manufacturing standards. Confirm the package type matches your PCB footprint design requirements before ordering.

Selection Notes

Select this component when a compact, single-cell solution is needed for Li-Ion or Li-Polymer batteries. Consider the integrated switch feature to reduce bill of materials complexity. Evaluate the thermal performance requirements against the expected operating environment. Verify that the input voltage range aligns with your system's power supply capabilities.

Part Context

This part belongs to Skyworks' AAT2550 series of battery chargers. It is designed for applications requiring high efficiency and minimal external component count. The series typically offers various package options and configuration settings to suit different portable device form factors and charging profiles.

Replacement Considerations

Consult Skyworks Solutions Inc. official documentation for direct cross-references. Verify compatibility with existing firmware or hardware control lines if replacing from a different manufacturer. Ensure thermal dissipation characteristics match the original design constraints.