ISL68144IRAZ-T

Special Purpose Regulators Overview

The ISL68144IRAZ-T is a digital dual-output, four-phase configurable PWM controller with PMBus interface. It operates within an input voltage range of 4.5 V to 25 V and supports output voltages from 250 mV to 3.05 V. The device delivers up to 240 A output current per phase and functions at switching frequencies between 200 kHz and 1 MHz. It is housed in a 40-lead TQFN package (5.0 x 5.0 mm) and operates across a temperature range of -40°C to +85°C.

Special Purpose Regulators Feature Summary

• Digital control architecture with integrated PMBus for configuration and monitoring
• Dual independent outputs supporting flexible multi-phase configurations
• Configurable switching frequency and phase count for optimized performance

Special Purpose Regulators Applications

• Server and storage power supplies
• Telecommunications equipment
• Industrial power systems

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized channels due to obsolete status. Confirm package integrity and moisture sensitivity handling requirements before assembly. Cross-reference datasheet revisions to ensure compatibility with existing design specifications. Validate supply chain sources against manufacturer lists to mitigate counterfeiting risks.

Special Purpose Regulators Selection Notes

Select this controller for applications requiring high-current digital regulation with programmable parameters. Ensure system design accommodates the 40-lead QFN thermal requirements. Verify that the host microcontroller supports the PMBus protocol for full feature utilization. Consider availability constraints given the component's lifecycle status.

Special Purpose Regulators Part Context

This part belongs to the Renesas ISL68144 family of digital power controllers. It is designed for high-efficiency power conversion in demanding environments. The series emphasizes configurability and precise control through digital interfaces, replacing traditional analog counterparts in modern power management designs.

Special Purpose Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult official Renesas resources for current alternatives or obsolescence notices.