ISL6506CBZ-T

Power Supply Controllers, Monitors Overview

The ISL6506CBZ-T is an ACPI-compliant power controller from the ISL6506B series, manufactured by Renesas/Intersil. It integrates control for 5VDUAL and 3.3VDUAL rails in an 8-lead EPAD SOIC package. Operating within a temperature range of 0°C to +70°C, it manages power sequencing for microprocessor applications. The device utilizes digital control pins S3 and S5 to select between active and sleep output modes. In sleep states, it generates the 3.3VDUAL plane via an internal linear regulator from the 5VSB ATX supply.

Power Supply Controllers, Monitors Feature Summary

• Integrates control of 5VDUAL and 3.3VDUAL rails for ACPI-compliant designs
• Selectable operating mode via digital control pins S3 and S5
• Internal linear regulator generates 3.3VDUAL voltage during sleep states

Power Supply Controllers, Monitors Applications

• ACPI-compliant power regulation for motherboards
• Embedded DDR power generation systems
• Microprocessor and computer power management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'CBZ-T' against official datasheets to confirm package type and tape-and-reel configuration. Ensure compatibility with the ISL6506B functional specifications regarding the 2A current limit on the internal 3.3V LDO. Confirm RoHS compliance status as indicated in manufacturer documentation before integration.

Power Supply Controllers, Monitors Selection Notes

Select this component for designs requiring integrated control of dual voltage rails in ACPI environments. Differentiate between ISL6506A and ISL6506B variants based on required 5VDUAL behavior during S4/S5 sleep states. Ensure the application supports the 8-lead SOIC-EP package constraints and operates within the specified commercial temperature range.

Power Supply Controllers, Monitors Part Context

The ISL6506B series complements other power building blocks like the ISL6537 to provide complete ACPI solutions. It is designed for systems with dual channel DDRI or DDRII memory. The controller handles sequencing for VDDQ_DDR, VTT_DDR, and GMCH bias voltages when used in conjunction with other chipset components.

Power Supply Controllers, Monitors Replacement Considerations

ISL6506ACB is functionally identical except for the 1A current limit on the internal 3.3V LDO and different sleep mode handling for the 5VDUAL output.