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2A Automotive Synchronous Buck LED Driver with PWM Dimming

A80800

A80800 Product Image

The A80800-2 provides a compact and efficient solution for automotive LED lighting, offering constant-current output up to 2A, PWM dimming, and integrated MOSFET switches for simplified design.

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Top Features

Typical Applications

Packaging

  • 55Vin rating – Can be used on traditional 12-V automotive, and 24-V trucks, and systems using a pre-boost supply followed by the A80800-2 to drive a high number of LEDs
  • Integrated FETs – No need for external FET(s) or Diode as part of the buck conversion, and higher efficiency
  • Switching frequency dithering for EMI reduction – pass OEM requirements and minimize associated components
  • 5V Vcc can be used to source up to 14mA as a local rail (e.g., power a small uC) – potentially eliminate an LDO
  • Automotive Lighting
  • Hi/Lo Beam and Matrix Headlights
  • Front and Rear Fog Lights
  • Daytime Running Lights
  • Turn/stop Lights
  • Dimmable Interior Lights
  • Other Automotive Lighting Applications

16-Pin eTSSOP (suffix LP)

LP Packaging Documentation

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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Documents Found: 32
Document Type Document Name
Application Note
Design Considerations in Selection of Converter Configuration for Automotive LED Headlight Applications
Guide
ALT80800 Evaluation Board User Guide