ISL6504CR

Power Supply Controllers, Monitors Overview

The ISL6504CR is a dual-output power controller designed for Intel Pentium 4 processors. It integrates two PWM controllers and a voltage supervisor to manage core and I/O voltages. The device operates with a supply voltage range of 4.75V to 5.25V and draws a typical supply current of 17 mA. It supports remote sensing for improved load regulation and includes features such as soft-start, under-voltage lockout, and thermal shutdown. The component is housed in a 32-lead QFN package.

Power Supply Controllers, Monitors Feature Summary

• Dual independent PWM channels for simultaneous core and I/O voltage regulation
• Integrated voltage supervisor with programmable thresholds for system monitoring
• Remote sense capability to compensate for PCB trace resistance
• Built-in protection mechanisms including thermal shutdown and under-voltage lockout

Power Supply Controllers, Monitors Applications

• Intel Pentium 4 processor power supply designs
• Multi-phase DC-to-DC converter systems
• Server and workstation motherboard power architectures

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix (e.g., CR, CB) to confirm the exact package type and tape-and-reel configuration. Confirm RoHS compliance status as older variants may not meet current environmental standards. Check manufacturer lifecycle status for availability and long-term supply assurance before finalizing design-in.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring precise dual-rail regulation for legacy Intel platforms. Ensure the selected package variant matches the PCB footprint requirements. Verify that the operating temperature range meets the specific environmental constraints of the target application.

Power Supply Controllers, Monitors Part Context

The ISL6504 series belongs to Renesas' portfolio of power management ICs targeting high-performance computing. It is part of the broader ISL65xx family designed specifically for CPU voltage regulation modules. This component serves as a critical interface between the processor's VID signals and the power stage drivers.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers: ISL6504CBN, ISL6504CRZ.