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1 Channel Switched- Mode Constant Current LED Controller | E522.31

Description

E522.31 is a fixed frequency switch-mode high voltage LED power supplier and controller with high efficiency. Integrated highside sensing allows topologies related to GND (Boost-to-GND or SEPIC) as well as related to input... read more

Features

  • 5.0V to 55V input, up to 80V boosted output voltage
  • Boost-to-GND, Boost-to-Battery and SEPIC topologies supported
  • Constant current regulation
  • Analog dimming and digital dimming 3000:1 at 100Hz PWM
  • Advanced In-System Diagnostic (e.g. GND loss, output-overload and highside-feedback diagnostics)
  • Very low sleep mode currents of typ. 8μA
  • Automotive qualified (AEC-Q100)

Documentation

Free Download

File Description Type
Info Sheet PDF 159 kB
Product Flyer LED Controller PDF 3.91 MB

On Request

File Description
E522.31 | Data Sheet

Application Diagram

Applications

  • Automotive interior and exterior light systems
  • General LED Applications
  • High speed LED light animations

Ordering Information

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Samples

Part No. Oscillator spectrum Package Order No.
E522.31 spread QFN32L5 E52231A61C


Boards

Part No. Description Board type Order No.
E522.31 EMV Boost to Battery Converter (650mA)  Demoboard K52231-0002
E522.31 EMV Boost to GND Converter (500mA)  Demoboard K52231-0003
E522.31 Sepic Converter (750mA)  Demoboard K52231-0004
E522.31 Buck to Battery Converter (3A)  Demoboard K52231-0005

*) QFN both with/without wettable Flanks

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