MAX20090

PRODUCTION

Automotive High-Voltage, High-Brightness LED Controller

Single-Channel HB LED Drivers for Automotive Front-Light Applications such as High Beam, Low Beam, and Daytime Running Lights

Data Sheet (Rev. 9) Product Selection Table
Part Models
10
1ku List Price
Starting From $2.60
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Part Details

  • High-Brightness LED Driver with a Wide Input Range Saves Space and Cost Through Integration
    • +5V to +65V Wide Input Voltage Range
    • +65V Maximum Boost Output Voltage
    • ICTRL Pin for Analog Dimming
    • Integrated High-Side Current-Sense Amplifier
    • 200Hz On-Board Ramp Simplifies PWM Dimming
  • Flexible Architecture Enables Easy Design Optimization
    • Configurable as Boost, High-Side Buck, SEPIC, Buck-Boost, Zeta, and Cuk
    • Programmable Switching Frequency (200kHz to 2.2MHz)
    • Spread-Spectrum Modulation to Reduce EMI Noise
  • Automotive Features and Robustness Improve System Reliability
    • Fault Diagnosis Through Fault Flag
    • Short Circuit, Overvoltage, and Thermal Protection
    • -40°C to +125°C Operating Temperature Range
MAX20090
Automotive High-Voltage, High-Brightness LED Controller
MAX20090: Simplified Typical Operating Circuit
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Documentation

Data Sheet 1

Design Note 1

Technical Articles 3

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Evaluation Kits

MAX20090EVKIT

Evaluation Kit for the MAX20090

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Features and Benefits

  • Configured for a Boost and Buck-Boost Mode
  • Analog Dimming Control
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX20090 evaluation kit (EV kit) provides a proven design to evaluate the MAX20090 automotive high-voltage, high-brightness LED (HB LED) controller. The EV kit is set up for boost and buck-boost configurations and operates from a 6V to 18V DC supply voltage. The EV kit is configured to deliver up to 1A to one string of LEDs. The total voltage of the string can vary from 3V to 36V. The anode of the LED string should be connected to the LED+ terminal. The cathode of the LED string can be connected either to PGND (boost mode) or IN (buckboost mode). In the case of boost mode, the input voltage should not exceed the LED string voltage.

Applications

  • Automotive Exterior Lighting
  • Commercial, Industrial, and Architectural Lighting
  • Daytime Running Lights (DRLs)
  • Fog Lights and Adaptive Front-Light Assemblies
  • Head-Up Displays
  • High-Beam/Low-Beam/Signal/Position Lights

MAX20090BEVKIT

Evaluation Kit for the MAX20090B

Buy Now View Details

Features and Benefits

  • Configured for SEPIC Mode
  • Analog Dimming Control
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX20090B evaluation kit (EV kit) provides a proven design to evaluate the MAX20090B automotive high-voltage, high-brightness LED (HB LED) controller. The EV kit is set up for SEPIC configuration and operates from a 6V to 18V DC supply voltage. The EV kit is configured to deliver up to 1A to one string of LEDs. The total voltage of the string can vary from 3V to 24V. The anode of the LED string should be connected to the LED+ terminal. The cathode of the LED string should be connected to PGND.

Applications

  • Automotive Exterior Lighting:
  • Commercial, Industrial, and Architectural Lighting
  • Daytime Running Lights (DRLs)
  • Fog Light and Adaptive Front Light Assemblies
  • High-Beam/Low-Beam/Signal/Position Lights
MAX20090EVKIT
Evaluation Kit for the MAX20090
MAX20090BEVKIT
Evaluation Kit for the MAX20090B

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