MIC9130YQS-TR

Overview

The MIC9130YQS-TR is a current-mode PWM controller designed for efficient conversion of -48V telecom voltages to logic levels. It operates with an input voltage range of 9V to 18V and provides one output capable of delivering 1A. The device features a switching frequency of 2.5MHz and supports both boost and buck topologies. It is housed in a QSOP-16 package and functions reliably within a temperature range of -40°C to +125°C.

Feature Summary

• Current-mode PWM control architecture for stable regulation
• Optimized for converting negative telecom bus voltages to positive logic levels
• Supports high-frequency switching to minimize external component size

Applications

• Telecom DC/DC power supply systems
• Conversion of -48V telecom buses to logic level rails
• Point-of-load regulation in telecommunications infrastructure

Procurement Notes

Verify the specific suffix 'TR' indicates tape and reel packaging, distinct from tube packaging variants like the MIC9130YM. Confirm the 'QS' designation corresponds to the QSOP-16 package type rather than standard SOIC. Ensure the component status is listed as Active by Microchip Technology before finalizing procurement orders to avoid obsolescence risks.

Selection Notes

Select this component when designing power stages that require stepping down or up from standard -48V telecom inputs to lower voltage logic levels. The 2.5MHz switching frequency allows for compact passive component selection. Ensure the application environment stays within the specified -40°C to +125°C operating temperature range for reliable performance.

Part Context

This part belongs to the MIC9130 family of switching controllers manufactured by Microchip Technology. It is specifically engineered for telecom applications requiring efficient voltage translation from negative supply rails. The family includes variations such as the MIC9130YM and MIC9130YQS, differing primarily in packaging and reel configuration while maintaining identical electrical functionality.

Replacement Considerations

Direct substitutes include other MIC9130 variants such as MIC9130YM or MIC9130YQS, provided the packaging format matches the assembly requirements. Cross-referencing with Maxim MAX9130 devices is not recommended due to functional differences, as those are LVDS line receivers rather than power controllers.