Quality Standards and Environmental Certifications
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Automotive Constant-Current Buck LED Drivers with PWM Dimming

A6217, A6217-1

A6217 Product Image

The A6217-1 provides a robust and efficient solution for driving high-power LEDs in automotive applications, offering constant-current output up to 3A (1.5A for A6217-1) and PWM dimming.

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Top Features

Packaging

  • AEC-Q100 qualified
  • 6 to 48 V supply voltage
  • True average output current control
  • 3 A maximum output over operating temperature range (1.5 A for A6217-1)
  • Cycle-by-cycle current limit
  • Integrated MOSFET switch
  • Enable / PWM dimming via direct logic input or power supply voltage
  • Internal control loop compensation
  • Undervoltage lockout (UVLO) and thermal shutdown protection
  • Low power shutdown (1 μA typical)
  • Robust protection against:
    • Adjacent pin-to-pin short
    • Pin-to-GND short
    • Component open/short faults
  • Enhancements over A6213:
    • Dithering of switching frequency to reduce EMI
    • Able to drive single white LED from 18 V supply at 2.2 MHz
    • Smaller package option

10-pin DFN with wettable flank (suffix EJ)

8-pin SOICN (suffix LJ)

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Part Number Specifications and Availability

Documentation and Resources

Documentation

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All Types Application Note Brochure Guide
Documents Found: 32
Document Type Document Name
Application Note
Design Considerations in Selection of Converter Configuration for Automotive LED Headlight Applications
Brochure
Brochure: Driving Change by Advancing Personal Mobility Through Cutting-Edge Technology
Guide
A6217 Evaluation Board User Guide