ISL68301IRAZ-TR5823

DC DC Switching Controllers Overview

The ISL68301IRAZ-TR5823 is a scalable single-output digital PWM controller with an integrated driver, manufactured by Renesas Electronics Corporation. It operates within an input voltage range of 4.75V to 16V and supports I2C, PMBus, and SMBus interfaces for configuration. The device features a 24-QFN (4x4mm) package with a pitch of 0.5mm. It delivers a maximum output current of 40A and regulates output voltages between 0.45V and 5.5V. The switching frequency ranges from 200kHz to 1000kHz, with peak efficiency up to 88%. It utilizes synchronous rectification topology.

DC DC Switching Controllers Feature Summary

• Integrates high-speed current share bus for paralleling up to eight controllers in multi-phase configurations
• Features a scalable digital architecture with integrated MOSFET drivers to simplify power supply design
• Supports standard communication protocols including I2C, PMBus, and SMBus for flexible control

DC DC Switching Controllers Applications

• Data center power supplies
• Wired communications equipment
• Wireless communications systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix -TR5823 against official Renesas documentation to confirm tape-and-reel specifications and moisture sensitivity level details. Ensure compatibility with existing PCB footprints for the 24-QFN package dimensions. Confirm that the component meets RoHS compliance requirements as indicated by lead-free status. Cross-reference part numbers with authorized distributors to avoid obsolete variants like the ISL68300 series if new designs are required.

DC DC Switching Controllers Selection Notes

Select this controller when designing single-output applications requiring digital programmability and precise current sharing across multiple phases. It is suitable for systems needing integration of drivers and digital control logic without external components. Consider the 40A output capability and wide input voltage range for versatile power rail generation. Evaluate the need for PMBus or SMBus monitoring capabilities for system management integration.

DC DC Switching Controllers Part Context

This component belongs to the ISL6830x family of digital PWM controllers designed to reduce design complexity in high-performance power supplies. It complements similar devices like the ISL68300, which includes integrated drivers, while the ISL68301 focuses on PWM output flexibility. The family targets modern data center and communication infrastructure where efficiency and scalability are critical.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Note that the related ISL68300 series is marked as obsolete and not recommended for new designs. Verify direct pin-to-pin compatibility with any alternative controllers before implementation.