ISL9237HRZ-TK

Battery Chargers Overview

The ISL9237HRZ-TK is a lithium-ion battery charger IC manufactured by Renesas Electronics Corporation. It is packaged in a 32-QFN (4x4) format and supports I2C interface communication. The device is designed for managing charging cycles for lithium-ion and lithium-polymer batteries, operating within a supply voltage range of 3.2 V to 23.4 V and delivering output voltages between 2.4 V and 13.824 V.

Battery Chargers Feature Summary

• Integrated buck-boost architecture for versatile battery charging management
• Supports I2C interface for configuration and monitoring
• Compatible with graphical user interface tools for system integration

Battery Chargers Applications

• Lithium-ion battery charging systems
• Lithium-polymer battery power management
• Portable electronic device power supplies

Battery Chargers Procurement Notes

Verify the specific suffix TK against official Renesas documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with existing PCB footprints for the 32-QFN package. Cross-reference the part number with current datasheets to validate active status and any recent manufacturing changes or label updates before finalizing procurement plans.

Battery Chargers Selection Notes

Select this component when a compact solution for lithium-based battery charging is required. The 32-QFN package suits space-constrained designs. Verify that the application environment falls within the specified operating temperature range of -10 C to +100 C. Confirm that the system voltage requirements align with the supported input and output ranges defined in the technical specifications.

Battery Chargers Part Context

This part belongs to the ISL9237 family of battery chargers from Renesas. It serves as a core power management integrated circuit for portable electronics. The HRZ variant indicates the specific package and temperature grade, while the TK suffix typically denotes bulk or specific reel packaging configurations used in manufacturing workflows.

Battery Chargers Replacement Considerations

Direct substitutes include ISL9237HRZ, ISL9237HRZ-T7A, and ISL9237HRZ-T. These parts share the same core functionality and 32-QFN package. Verify pinout compatibility and electrical parameters against the latest datasheet before swapping components in an existing design.