ISL6548ACRZA

Power Management - Specialized Overview

The ISL6548ACRZA is an ACPI-compliant regulator and controller designed for dual-channel DDR/DDR2 memory systems. It supports up to four DIMMs and integrates synchronous buck regulators for VDD, VDDQ, and VTT power rails. The device operates within a temperature range of 0°C to 70°C and draws a supply current of 7mA. Packaged in a 28-VQFN with an exposed pad, it provides a complete power solution for memory subsystems requiring precise voltage regulation.

Power Management - Specialized Feature Summary

• Provides a complete ACPI compliant power solution for dual channel DDR/DDR2 memory systems
• Integrates synchronous buck regulators for VDD, VDDQ, and VTT power rails
• Supports configurations with up to four DIMMs

Power Management - Specialized Applications

• Dual channel DDR memory systems
• DDR2 memory subsystems
• Motherboard memory power management

Power Management - Specialized Procurement Notes

Verify the specific ordering suffix to confirm package type and tape/reel configuration. Ensure compatibility with the target memory generation (DDR or DDR2) and check that the operating temperature range meets system requirements. Confirm pinout alignment with existing PCB layouts before procurement.

Power Management - Specialized Selection Notes

Select this component for designs requiring integrated ACPI-compliant control for dual-channel memory. It is suitable for applications needing synchronized regulation of VDD, VDDQ, and VTT without external discrete controllers. Consider thermal performance due to the QFN package and ensure adequate board space for the exposed pad.

Power Management - Specialized Part Context

This part belongs to the ISL6548A family of memory power management ICs from Renesas Electronics. These components are engineered to simplify the design of complex memory power architectures by integrating multiple regulators into a single chip, reducing component count and board area compared to discrete solutions.

Power Management - Specialized Replacement Considerations

Check for direct cross-reference availability with other ACPI-compliant dual-channel DDR controllers. Verify functional equivalence regarding VDD, VDDQ, and VTT regulation capabilities and pin compatibility before substitution.