ISL95859CIRTZ-T

Overview

The ISL95859CIRTZ-T is a multi-phase core controller designed for IMVP8 specifications, supporting a 1+2+1 core configuration. It integrates digital control capabilities for advanced power management in notebook and mobile computing applications. The component utilizes a RoHS-compliant 48-lead TQFN package to facilitate compact board layouts. As a specialized voltage regulator IC, it provides precise regulation for CPU and GPU cores, ensuring stable operation under varying load conditions while maintaining high efficiency through optimized switching strategies.

Feature Summary

• Supports IMVP8 standard for multi-phase core voltage regulation
• Integrates digital control architecture for flexible configuration
• Designed for compact form factor with 48-lead TQFN packaging

Applications

• Notebook computer CPU/GPU core power supplies
• Mobile computing device voltage regulation
• IMVP8 compliant multi-phase regulator designs

Procurement Notes

Verify the exact suffix CIRTZ-T against official Renesas documentation to confirm tape-and-reel packaging and temperature grade. Confirm current availability status as this series may be subject to lifecycle changes or obsolescence notices. Ensure compatibility with existing PCB footprints and thermal requirements before finalizing procurement orders.

Selection Notes

Select this controller when designing systems requiring IMVP8 compliance for notebook processors. Evaluate the 1+2+1 phase capability against specific current demands of the target CPU or GPU. Consider the TQFN package constraints for thermal dissipation and board space limitations compared to alternative pinout configurations.

Part Context

This component belongs to the Renesas ISL9585x family of multi-phase controllers. It serves as a successor or variant within the Intersil portfolio acquired by Renesas, focusing on digital power management for portable electronics. The part number indicates specific packaging and reel options distinct from other variants like the CHRTZ or IRTZ series.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Check Renesas official cross-reference lists for direct replacements or consider the ISL95857CIRTZ if phase count differences are acceptable.