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 voltage... 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

Samples

Part No.Oscillator spectrumPackageOrder No.
E522.31spreadQFN32L5E52231A61C


Boards

Part No.DescriptionBoard typeOrder No.
E522.31EMV Boost to Battery Converter (650mA) DemoboardK52231-0002
E522.31EMV Boost to GND Converter (500mA) DemoboardK52231-0003
E522.31Sepic Converter (750mA) DemoboardK52231-0004
E522.31Buck to Battery Converter (3A) DemoboardK52231-0005
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