ISL88731AHRZ-T

Battery Chargers Overview

The ISL88731AHRZ-T is a lithium-ion battery charger IC designed for 1 to 4-cell battery packs. It supports a maximum charging current of 8A and operates with a supply voltage up to 26V. The device features an I2C interface for configuration and monitoring. It is housed in a 28-TQFN (5x5) package with exposed pad. The component is rated for operation between -10°C and +100°C ambient temperature.

Battery Chargers Feature Summary

• Supports constant current and constant voltage charging profiles for lithium-ion batteries
• Includes integrated short-circuit fault protection
• Enables digital control and status monitoring via I2C interface

Battery Chargers Applications

• Portable electronic devices requiring multi-cell lithium-ion battery management
• Industrial equipment utilizing high-current battery packs
• Consumer electronics with compact power management requirements

Battery Chargers Procurement Notes

Verify component authenticity through authorized Renesas distributors due to obsolete status. Confirm RoHS3 compliance and moisture sensitivity level 3 handling requirements during assembly. Check for specific tape-and-reel packaging specifications matching the suffix. Validate that the selected variant matches the required thermal and electrical parameters for the target application.

Battery Chargers Selection Notes

Select this component for applications requiring high-current charging capabilities within a small footprint. Ensure the system design accommodates the 26V maximum supply voltage and 8A peak current. Verify compatibility with the I2C communication protocol used by the host controller. Consider the thermal performance of the 28-TQFN package under maximum load conditions.

Battery Chargers Part Context

This part belongs to the ISL88731 family of battery chargers from Renesas Electronics. It is specifically tailored for portable applications needing efficient power management. The series offers various package options and suffixes to meet different manufacturing needs. The HRZ-T designation indicates a specific tape-and-reel packaging format for automated assembly processes.

Battery Chargers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult Renesas official resources for current alternative recommendations or migration paths.