SSL5031CTS/1X

Overview

The SSL5031CTS/1X is a highly integrated, high-precision, non-isolated buck controller with an external MOSFET. It is designed to drive LED lamps in universal mains non-dimmable lighting applications up to 25 W. The device operates in Boundary Conduction Mode (BCM) with on-time regulation, providing constant output current control with high accuracy. It features adaptive switching frequency to optimize inductor size, efficiency, and EMI. The component is housed in a TSOP6 package.

Feature Summary

• Operates in Boundary Conduction Mode (BCM) for constant output current control
• Features adaptive switching frequency for inductor optimization
• Designed for high power factor and low THD performance

Applications

• Universal mains non-dimmable LED lighting applications
• LED lamp drivers up to 25 W

Procurement Notes

Verify the specific suffix /1X against the manufacturer's official documentation to confirm exact packaging and reel specifications. Ensure compatibility with the required PCB footprint for the TSOP6 package. Confirm RoHS compliance status through the latest product data sheet before finalizing procurement decisions.

Selection Notes

Select this component for non-isolated buck LED driver designs requiring high power factor and low total harmonic distortion. It is suitable for universal mains inputs where compact inductor size and high efficiency are priorities. Ensure the design supports the external MOSFET configuration inherent to this controller architecture.

Part Context

This part belongs to the SSL50 series of LED driver ICs from NXP Semiconductors. It is specifically engineered for non-isolated AC-DC conversion topologies. The device integrates control logic for BCM operation, distinguishing it from fixed-frequency PWM controllers used in other LED driving scenarios.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.