CS5172ED8G

Overview

The CS5172ED8G is a synchronous buck controller from onsemi, designed for high-efficiency power conversion in demanding environments. It operates within an input voltage range of 4.5V to 36V and supports output currents up to 10A. The device integrates a fixed 500kHz switching frequency and features adjustable soft-start capabilities. It includes comprehensive protection mechanisms such as over-current protection, thermal shutdown, and undervoltage lockout. Packaged in an 8-lead SOIC with a maximum junction temperature rating of 150°C, it is suitable for industrial and automotive applications requiring robust performance.

Feature Summary

• Synchronous buck control architecture for enhanced efficiency
• Integrated over-current and thermal protection circuits
• Adjustable soft-start functionality to limit inrush current
• Wide operating temperature range suitable for harsh environments

Applications

• Industrial point-of-load regulation
• Automotive infotainment systems
• Telecommunications equipment power supplies

Procurement Notes

Verify the specific suffix 'ED8G' against the manufacturer's latest datasheet to confirm pinout compatibility and package dimensions. Ensure that the sourcing channel provides original manufacturer documentation to validate authenticity. Check for any recent product change notices or lifecycle status updates before finalizing procurement plans.

Selection Notes

Select this component when a synchronous buck topology is required for high-current applications. Consider its wide input voltage range and integrated protections for designs needing simplified bill of materials. Evaluate the thermal performance requirements against the SOIC package limitations for your specific enclosure design.

Part Context

This part belongs to the CS517x series of synchronous buck controllers, which are engineered for versatile power management solutions. The series offers various options for different current ratings and packaging styles, catering to diverse industrial and automotive needs while maintaining high efficiency and reliability standards.

Replacement Considerations

Check for direct pin-to-pin replacements within the same series or newer generations. Verify electrical parameter equivalence, particularly regarding switching frequency and current limits, to ensure seamless integration without redesigning the surrounding circuitry.