Quality Standards and Environmental Certifications
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Automotive 2A Constant-Current Buck LED Drivers with PWM and Analog Dimming

A6214, A6216

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The A6214/6 provides efficient and flexible LED driving for automotive applications, with constant-current output up to 2A and PWM/analog dimming options. The A6216 includes an integrated fault flag and standalone internal PWM dimming for enhanced functionality.

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ECAD Models
A6214 and A6216 Datasheet
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Top Features

Packaging

  • AEC-Q100 qualified
  • Supply voltage 4.5 to 55 V
  • 2 A maximum output over operating temperature range
  • Integrated MOSFET switch
  • Able to use either Schottky or silicon low-side diode
  • True average output current control
  • Internal control loop compensation
  • Integrated 5 V, 10 mA regulator for driving external load
  • PWM dimming via direct logic input down to 0.1% at 200 Hz
  • Standalone internal PWM dimming (A6216)
  • Analog dimming for brightness calibration and thermal foldback
  • Low-power shutdown (1 μA typical)
  • Fault flag output (A6216)
  • LED string open and short protection
  • Cycle-by-cycle current limit
  • Undervoltage lockout (UVLO) and thermal shutdown (TSD)
  • Robust protection against:
    • Adjacent pin-to-pin short
    • Pin-to-GND short
    • Component open/short faults

A6214: 10-pin SOICN (suffix LK)

46216: 16-pin eTSSOP (suffix LP)

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Part Number Specifications and Availability

Documentation and Resources

Documentation

Filter Document Type:
All Types
All Types Application Note Guide
Documents Found: 32
Document Type Document Name
Application Note
Design Considerations in Selection of Converter Configuration for Automotive LED Headlight Applications
Guide
A6214 Evaluation Board User Guide