ISL68127IRBZ-TR5761

Power Supply Controllers, Monitors Overview

The ISL68127IRBZ-TR5761 is a digital dual-output, flexible multiphase PWM controller from Renesas Electronics Corporation. It supports up to seven total phases across two outputs (X+Y ≤ 7) and complies with PMBus V1.3 specifications. The device utilizes a proprietary linear synthetic digital current modulation scheme for optimized transient response and tuning ease. Key electrical parameters include an input voltage range of 4.5V to 25V, an output voltage range of 250mV to 3.05V, and a maximum output current capability of 450A. It operates within a temperature range of -40°C to +85°C and features on-chip nonvolatile memory for configuration storage.

Power Supply Controllers, Monitors Feature Summary

• Supports flexible phase configurations up to seven phases across two independent outputs
• Integrates proprietary linear synthetic digital current modulation for enhanced transient performance
• Includes comprehensive fault management with multitiered overcurrent protection and configurable thresholds
• Features automatic phase add/drop functionality to maintain efficiency across varying load ranges

Power Supply Controllers, Monitors Applications

• Networking equipment power supplies
• Telecom and datacom infrastructure
• Server and storage system regulators
• Point-of-load power delivery for memory, DSP, ASIC, and FPGA components

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against official Renesas documentation to confirm package type and reel quantity. Confirm end-of-life status as some variants are marked obsolete. Ensure compatibility with required PMBus versions and check for moisture sensitivity handling requirements during assembly.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing high-density multiphase converters requiring digital control via PMBus. Consider the 450A current capability and flexible X+Y phase allocation for optimizing thermal distribution. Evaluate the need for on-chip nonvolatile memory to simplify board configuration compared to pin-strapped alternatives.

Power Supply Controllers, Monitors Part Context

This part belongs to the ISL68127 series of digital power controllers designed for high-performance applications. It represents Renesas's approach to simplifying multiphase regulator design through integrated digital logic and robust fault protection mechanisms, targeting modern computing and communication loads.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct substitutes within the ISL68127 family or newer Renesas digital controller generations. Verify pinout compatibility and software toolchain support if migrating from older analog or mixed-signal controllers.