NSV45025T1G

Current Regulation/Management Overview

The NSV45025T1G is a linear constant current regulator (CCR) from onsemi, designed for LED lighting applications. It operates with a fixed output current of 25 mA and supports an input voltage range up to 45 V. The device utilizes Boost or Buck topology and features adjustable output voltage. It is qualified under AEC-Q100 standards and functions within a temperature range of -55°C to +150°C. Packaged in SOD-123, it offers high-side or low-side sensing capabilities.

Current Regulation/Management Feature Summary

• Implements self-biased transistor technology for stable current regulation across wide voltage ranges.
• Features negative temperature coefficient design to protect LEDs against thermal runaway.
• Supports PWM dimming operations for precise light control.

Current Regulation/Management Applications

• LED string illumination
• Automotive exterior lighting
• General LED backlighting

Current Regulation/Management Procurement Notes

Verify the specific suffix 'T1G' matches the required RoHS compliance and packaging format. Confirm AEC-Q100 qualification status if automotive grade is mandatory. Ensure the SOD-123 package aligns with PCB layout constraints. Cross-reference datasheet revisions for any pinout or electrical characteristic updates before finalizing procurement.

Current Regulation/Management Selection Notes

Select this component when a simple, cost-effective solution for regulating LED current is required without complex driver circuitry. It is suitable for designs needing robust protection against thermal issues. Consider the 25 mA output limit and 45 V maximum input voltage to ensure compatibility with the target LED load configuration and supply rails.

Current Regulation/Management Part Context

This part belongs to the NSI45025 series of constant current regulators. These devices are engineered as economical alternatives to traditional constant current diodes. They provide a reliable method for driving LEDs in series configurations, offering stability and simplicity in power management circuits for lighting systems.

Current Regulation/Management Replacement Considerations

Check for NSI45025AT1G for higher current variants within the same family. Verify pin-to-pin compatibility with other SOD-123 CCR components if sourcing from different manufacturers. Ensure electrical parameters such as current tolerance and voltage ratings match the original design requirements.