AL1678-20BS7-13

Overview

The AL1678-20BS7-13 is an AC/DC offline switcher manufactured by Diodes Incorporated, designed for LED lighting applications. It operates in a buck topology and supports a maximum output current of 2A. The device features a 500V rating and is housed in a SO-7 surface-mount package. It functions as a non-isolated LED driver with a power dissipation capability of 0.65W. The component is part of the broader Diodes Incorporated portfolio for power management solutions.

Feature Summary

• Integrated AC/DC offline switching functionality for direct mains connection
• Non-isolated buck converter topology optimized for LED loads
• High voltage tolerance suitable for industrial and commercial lighting

Applications

• LED lighting systems
• Display backlighting units
• Indicator light circuits

Procurement Notes

Verify the specific suffix 'BS7-13' against official Diodes Incorporated documentation to confirm the exact tape-and-reel packaging configuration and pinout orientation. Ensure compatibility with the target PCB footprint for the SO-7 package. Cross-reference the manufacturer's latest datasheet revision to validate electrical characteristics and thermal performance limits before finalizing the bill of materials.

Selection Notes

Select this component for designs requiring a compact, non-isolated solution for driving LEDs directly from AC sources. The 2A current capacity and 500V rating make it suitable for higher-power LED arrays where isolation is not required. Evaluate thermal management requirements given the 0.65W power dissipation specification within the small SO-7 package form factor.

Part Context

This part belongs to Diodes Incorporated's range of power management integrated circuits. The manufacturer specializes in discrete semiconductors, logic, analog, and mixed-signal products for computing, communications, and consumer electronics markets. The AL1678 series represents their offering in the specialized field of offline LED drivers.

Replacement Considerations

Consult official substitution guides or equivalent product lists from Diodes Incorporated for verified alternatives. Do not assume functional interchangeability with other LED driver ICs without verifying pinout, electrical ratings, and control interface compatibility through official technical documentation.