ISL6398HRTZ-T

DC DC Switching Controllers Overview

The ISL6398HRTZ-T is a synchronous buck voltage regulator controller designed for Intel IMVP-7 processor power delivery applications. It operates within an input voltage range of 4.75 V to 5.25 V and provides two independent output channels with adjustable voltages from 250 mV to 1.52 V. The device supports up to 10 A per phase and integrates a PMBus interface for system monitoring and configuration. It functions at switching frequencies up to 1 MHz and includes comprehensive protection features such as over-current, over-voltage, and thermal shutdown.

DC DC Switching Controllers Feature Summary

• Dual-channel synchronous buck architecture optimized for high-performance CPU core power delivery
• Integrated PMBus communication interface for real-time telemetry and dynamic parameter adjustment
• Advanced transient response capabilities utilizing digital compensation techniques
• Comprehensive hardware protection mechanisms including cycle-by-cycle current limiting and thermal regulation

DC DC Switching Controllers Applications

• Intel Core i-series processor voltage regulation modules (VRM)
• High-density notebook and mobile workstation power systems
• Server and embedded computing platform main logic supply rails
• Multi-phase power distribution networks requiring precise load line management

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'HRTZ' against official Renesas documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and thermal design parameters before procurement. Cross-reference component authenticity through authorized distributors to mitigate counterfeit risks. Confirm that the manufacturing date code aligns with project lifecycle requirements.

DC DC Switching Controllers Selection Notes

Select this component when designing for Intel IMVP-7 compliant architectures requiring dual-channel control. Evaluate thermal dissipation requirements based on total output current demands across both phases. Consider system complexity if single-channel solutions suffice. Verify that the required operating temperature range matches the industrial specifications provided in the datasheet.

DC DC Switching Controllers Part Context

This controller belongs to the ISL6398 series, part of Renesas's portfolio for advanced processor power management. It succeeds earlier generations by offering enhanced digital control precision and simplified external component count. The series targets demanding computing environments where power efficiency and transient stability are critical for system reliability and performance optimization.

DC DC Switching Controllers Replacement Considerations

Consult official cross-reference lists for direct pin-compatible alternatives. Verify electrical parameter equivalence for any substitute components. Ensure new selections maintain compatibility with existing firmware and PMBus command sets.