ISL9238BIRTZ

Battery Chargers Overview

The ISL9238BIRTZ is a battery management IC designed for notebook and tablet applications, supporting lithium-ion and lithium-polymer batteries. It operates with an input voltage range of 3.2 V to 23.4 V and provides a charge voltage output adjustable from 2.4 V to 18.304 V in 8 mV steps. The device features a TQFN-32 package (4.0 x 4.0 mm) and supports trickle charge currents of 64 mA, 128 mA, 256 mA, or 512 mA. It functions as a Buck-Boost charger compatible with USB Type-C systems.

Battery Chargers Feature Summary

• Integrated Buck-Boost topology for efficient charging across varying input voltages
• Configurable charge current limits and precise voltage adjustment capabilities
• Supports multiple battery chemistries including Lithium-ion and Lithium Polymer

Battery Chargers Applications

• Notebook computers
• Tablets
• Ultrabooks
• Power banks
• USB-C portable devices

Battery Chargers Procurement Notes

Verify the specific suffix 'B' against official Renesas documentation to confirm pinout or functional variations compared to standard variants. Ensure compatibility with the target PCB footprint and thermal requirements for the TQFN-32 package. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.

Battery Chargers Selection Notes

Select this component for designs requiring a single-chip solution for 1-to-4 series battery configurations. It is suitable for systems needing high accuracy in charge voltage regulation and flexible input voltage ranges. Consider the TQFN-32 package size when evaluating board space constraints and thermal dissipation needs for the application environment.

Battery Chargers Part Context

This part belongs to the ISL9238 family of battery chargers manufactured by Renesas Electronics Corporation. It is specifically engineered for portable computing devices that require robust power management and compliance with modern charging standards such as USB Power Delivery. The device integrates necessary control logic for safe battery operation.

Battery Chargers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify cross-references directly with Renesas Electronics technical support or authorized distributors to identify equivalent components with matching electrical characteristics and package dimensions.