ISL9241IRTZ-T

Overview

The ISL9241IRTZ-T is a USB-C buck-boost battery charger IC designed for notebooks, ultrabooks, tablets, and power banks. It supports Narrow Voltage Direct Charging (NVDC) and Hybrid Power Buck-Boost (HPBB) modes via firmware control. The device operates with an input voltage range of 3.8 V to 24 V and provides an adjustable output voltage from 3.9 V to 18.304 V. It utilizes a 32-lead QFN package.

Feature Summary

• Supports NVDC and HPBB charging modes for USB Type-C applications
• Firmware-controlled mode switching between charging architectures
• Integrated buck-boost topology for wide input voltage compatibility

Applications

• Notebook battery charging systems
• Ultrabook power management
• Tablet battery chargers
• USB power bank circuits

Procurement Notes

Verify the specific suffix 'IRTZ-T' against official Renesas documentation to confirm tape-and-reel packaging and temperature grade. Ensure the order includes the required evaluation board, such as ISL9241EVAL1Z, for initial validation. Confirm RoHS compliance status directly with the manufacturer or authorized distributor prior to procurement.

Selection Notes

Select this component for designs requiring flexible USB-C charging protocols. The integrated buck-boost converter simplifies schematic design by handling varying input voltages. Firmware configurability allows adaptation to different system power requirements without hardware changes. Verify thermal performance within the target enclosure constraints.

Part Context

This part belongs to the ISL9241 family of battery management controllers. It represents a specialized solution for modern portable electronics utilizing reversible USB Type-C connectors. The series addresses the need for compact, efficient charging solutions in devices with strict size and power constraints.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Renesas Electronics for current cross-reference data.