NSIC2050BT3G

Current Regulation/Management Overview

The NSIC2050BT3G is a constant current regulator and LED driver designed for AC offline applications. It operates with an input voltage of 120V and provides a regulated output current of 50mA with a tolerance of +/-15%. The device supports configurable current settings ranging from 20mA to 150mA using external resistors, eliminating the need for a microcontroller. It is housed in a DO-214AA (SMB) package.

Current Regulation/Management Feature Summary

• Standalone operation without requiring a microcontroller
• Configurable current regulation via external resistors
• Designed specifically for AC offline applications

Current Regulation/Management Applications

• AC offline LED lighting systems
• General illumination drivers
• Constant current regulation circuits

Current Regulation/Management Procurement Notes

Verify component status as sources indicate this part may be obsolete. Confirm exact pinout and electrical specifications against the official onsemi datasheet before integration. Ensure compatibility with existing PCB layouts and thermal management requirements for the SMB package.

Current Regulation/Management Selection Notes

Select this component for simple, cost-effective AC-driven LED applications where microcontroller overhead is undesirable. Suitable for designs requiring fixed or resistor-adjustable current levels within the specified range. Evaluate availability constraints due to potential obsolescence status.

Current Regulation/Management Part Context

Part of onsemi's LED/照明驱动器 series. Manufactured by onsemi. Mouser number: 863-nsic2050bt3g. ECAD models are available for download. Related parts include NSIC2050JBT3G.

Current Regulation/Management Replacement Considerations

NSIC2050JBT3G is a related variant within the same product family.