RT9524GQW

Overview

The RT9524GQW is a fully integrated single-cell lithium-ion battery charger IC from Richtek, designed for portable applications. It utilizes a control algorithm that optimizes the charging task through pre-charge, fast-charge, and constant-voltage modes. The device operates with a maximum input voltage of 28V and supports up to 1A charge current. It features an internal power path management system and is housed in a compact 10-WDFN (3x2) package.

Feature Summary

• Fully integrated single-cell Li-ion battery charger optimized for portable devices
• Implements pre-charge, fast-charge, and constant-voltage charging algorithms
• Includes internal power path management for system load prioritization

Applications

• Portable electronic devices
• Smartphones
• Tablets
• Personal digital assistants

Procurement Notes

Verify the specific suffix GQW against the manufacturer's official datasheet to confirm pinout compatibility and thermal characteristics. Ensure the supply voltage does not exceed the 28V absolute maximum rating. Confirm the WDFN-10 package dimensions match the PCB footprint requirements. Check for moisture sensitivity level compliance during storage and handling procedures.

Selection Notes

Select this component when a compact solution for single-cell lithium-ion batteries is required. It is suitable for designs needing integrated power path management to balance charging current with system loads. Consider the 28V input tolerance for robustness against adapter variations. Evaluate the 10-WDFN package size constraints against available board space.

Part Context

This part belongs to Richtek's portfolio of battery management solutions for portable electronics. It complements other power management ICs by providing efficient charging capabilities within a small form factor. The device addresses the need for reliable power replenishment in mobile gadgets while minimizing component count and board area.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs before considering alternative components.