PSSI2021SAY,115

Current Regulation/Management Overview

The PSSI2021SAY,115 is a constant current source integrated circuit manufactured by Nexperia. It operates within an input voltage range of up to 75V and provides a maximum output current of 50mA. The device is housed in a 5-TSSOP (SC-70-5) surface-mount package with five pins. It supports an extended operating temperature range from -65°C to +150°C. The component holds AEC-Q101 automotive qualification.

Current Regulation/Management Feature Summary

• Provides stable constant current regulation for load applications
• Capable of handling high input voltages up to 75V
• Designed for operation in extreme ambient temperatures

Current Regulation/Management Applications

• LED driver circuits
• Current regulation in automotive systems
• General-purpose constant current sourcing

Current Regulation/Management Procurement Notes

Verify the specific suffix '115' corresponds to the required tape-and-reel packaging configuration. Confirm that the 5-TSSOP footprint matches the target PCB layout. Ensure the design accommodates the specified thermal dissipation requirements for the intended operating environment.

Current Regulation/Management Selection Notes

Select this component when a robust, high-voltage tolerant constant current source is required. The wide temperature range makes it suitable for harsh environments. Verify that the 50mA maximum output current meets the load requirements without exceeding thermal limits.

Current Regulation/Management Part Context

This part belongs to the PSSI2021 series of constant current sources. It is designed as a replacement or alternative for discrete current source implementations, offering a compact solution for maintaining steady current flow across varying load conditions.

Current Regulation/Management Replacement Considerations

Check datasheets for other PSSI2021 variants with different current ratings or pin configurations to ensure functional compatibility before substitution.