NSV50350AST3G

Current Regulation/Management Overview

The NSV50350AST3G is a single-channel LED lighting driver IC from onsemi, designed for high-efficiency constant current regulation. It supports boost and buck topologies with an input voltage range up to 50 V DC. The device delivers a fixed output current of 350 mA and operates within a wide temperature range of -55 °C to +175 °C. It features PWM dimming capability and adjustable output voltage. Packaged in SMC-2, it meets AEC-Q100 automotive qualification standards.

Current Regulation/Management Feature Summary

• Supports both boost and buck converter topologies for flexible LED string configurations
• Provides precise constant current regulation at 350 mA output
• Enables digital brightness control through PWM dimming operation
• Automotive-grade reliability certified under AEC-Q100 standards

Current Regulation/Management Applications

• Automotive exterior lighting systems
• High-brightness LED illumination modules
• Industrial LED driver circuits
• General-purpose constant current LED regulation

Current Regulation/Management Procurement Notes

Verify the specific suffix AST3G against official datasheets to confirm package type and tape-and-reel specifications. Ensure compatibility with required operating temperatures and input voltage ranges. Confirm RoHS compliance status and REACH SVHC declarations prior to integration. Cross-reference ordering information directly with onsemi documentation to avoid substitution errors.

Current Regulation/Management Selection Notes

Select this component when a single-channel solution with high thermal tolerance is required. The SMC-2 package suits space-constrained designs needing robust surface-mount installation. Consider the 350 mA fixed current limit for standard LED arrays. Verify that the 50 V maximum input rating aligns with the system power supply architecture.

Current Regulation/Management Part Context

This part belongs to the NSI50350AS series of LED drivers. It shares functional similarities with other members like NSV50350ADT4G but differs in packaging. The series focuses on efficient current regulation for demanding environments. It serves as a core component in modern LED power management architectures.

Current Regulation/Management Replacement Considerations

NSV50350ADT4G offers similar electrical performance in a DPAK package.