ISL6558CBZA-TS2490S1

DC DC Switching Controllers Overview

The ISL6558CBZA-TS2490S1 is a multi-purpose precision multiphase PWM controller manufactured by Intersil, now part of Renesas. It regulates output voltage and balances load currents for two to four synchronous rectified buck converter channels. The device supports a switching frequency range from 80 kHz to 1.5 MHz with a maximum duty cycle of 75%. It accommodates output voltages between 800 mV and 5 V and handles up to 120 A output current. Available in SOIC-Narrow-16 packaging, it operates within a temperature range of 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Regulates output voltage and balances load currents across multiple phases
• Supports two to four synchronous rectified buck converter channels
• Features optional active voltage positioning for precise regulation

DC DC Switching Controllers Applications

• Multi-phase CPU core voltage regulation
• Server and workstation power supply systems
• High-performance graphics card power delivery

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TS2490S1 against official Renesas documentation to confirm manufacturing lot details and traceability requirements. Note that this component may be subject to discontinuation notices; check for Product Change Notices (PCN) or End-of-Life notifications prior to procurement to ensure long-term availability and compliance with current specifications.

DC DC Switching Controllers Selection Notes

Select this controller when designing high-current, multi-phase DC-DC converters requiring precise load balancing. Ensure the design supports the specified 80 kHz to 1.5 MHz frequency range and fits within the 0°C to +70°C operating temperature limits. Confirm compatibility with the SOIC-Narrow-16 package dimensions and thermal requirements for the target application environment.

DC DC Switching Controllers Part Context

This component belongs to the ISL6558 series of multiphase PWM controllers. It is designed for applications requiring robust voltage regulation and current sharing among multiple parallel buck converter phases. The series is widely used in demanding computing and server infrastructure where efficiency and thermal management are critical.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official Renesas resources for potential obsolescence management or cross-reference options.