ISL9237IRZR5700

Battery Chargers Overview

The ISL9237IRZR5700 is a battery charger IC from the Renesas ISL9237 family, designed for lithium-ion and lithium-polymer batteries. It operates within an input voltage range of 3.2 V to 23.4 V and supports output voltages from 2.4 V to 13.824 V. The device is housed in a 32-lead QFN (4x4 mm) package suitable for surface mount installation. It functions as a buck-boost converter capable of charging single-cell battery packs across various states of charge.

Battery Chargers Feature Summary

• Integrated buck-boost architecture supporting wide input and output voltage ranges
• Supports both lithium-ion and lithium-polymer battery chemistries
• Includes I2C interface for configuration and monitoring
• Compatible with graphical user interface tools for system setup

Battery Chargers Applications

• Single-cell lithium-ion battery charging systems
• Lithium-polymer battery management applications
• Portable electronic devices requiring compact power solutions
• Industrial equipment utilizing single-cell rechargeable batteries

Battery Chargers Procurement Notes

Verify the specific suffix 'R5700' against official Renesas documentation to confirm tape-and-reel quantity or specific packaging variant. Ensure compatibility with the standard ISL9237HRZ functional specifications. Confirm that the ordering code matches the required temperature grade and package type before finalizing procurement orders.

Battery Chargers Selection Notes

Select this component when designing systems requiring a single-chip solution for single-cell Li-ion or Li-Po batteries. The buck-boost topology allows operation regardless of whether the battery voltage is above or below the supply rail. Verify that the 32-QFN package fits the PCB footprint constraints and thermal requirements of the target application.

Battery Chargers Part Context

This part belongs to the ISL9237 series of battery chargers manufactured by Renesas Electronics Corporation. The series includes variants such as ISL9237HRZ and evaluation boards like ISL9237EVAL2Z. These components are categorized under Power Management ICs specifically for Charge Management applications.

Battery Chargers Replacement Considerations

Direct substitutes include ISL9237HRZ, ISL9237HRZ-T, and ISL9237HRZ-T7A. Verify pinout and electrical parameters match before substitution.