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MAX20090B - High-Brightness LED Controller

Download the MAX20090B datasheet PDF. This datasheet also covers the MAX20090 variant, as both devices belong to the same high-brightness led controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The MAX20090 is a single-channel high-brightness LED (HB LED) driver for automotive front-light applications such as high beam, low beam, daytime running lights (DRLs), turn indicators, fog lights, and other LED lights.

Key Features

  • 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 Ćuk.
  • Programmabl.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX20090-MaximIntegrated.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
MAX20090 High-Brightness LED Controller
MAX20091 35-Channel Contact Monitor
MAX20002 2A/3A Fully Integrated Step-Down Converters
MAX20003 2A/3A Fully Integrated Step-Down Converters
MAX20021 Step-Down DC-DC Converters

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MAX20090/MAX20090B EVALUATION KIT AVAILABLE Automotive High-Voltage, High-Brightness LED Controller General Description The MAX20090 is a single-channel high-brightness LED (HB LED) driver for automotive front-light applications such as high beam, low beam, daytime running lights (DRLs), turn indicators, fog lights, and other LED lights. It can take an input voltage from 5V to 65V and drive a string of LEDs with a maximum output voltage of 65V. The device senses output current at the high side of the LED string. High-side current sensing is required to protect for shorts from the output to the ground or battery input. It is also the most flexible scheme for driving LEDs, allowing boost, high-side buck, SEPIC mode, or buckboost-mode configurations.