Description

E522.32 and E522.34 are parts of a family of fixed frequency switch-mode high voltage LED power supplies and controllers with high efficiency. Integrated highside sensing allows topologies related to GND (Boost-to-GND or... 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 diagnostics (e.g. GND loss, output-overload and highside-feedback diagnostics)
  • Very low sleep mode currents of typ. 8μA
  • PIN compatible to E522.31/33
  • Automotive qualified (AEC-Q100)

Documentation

Document Description Type
Info Sheet PDF 160 kB
Product Flyer LED Controller PDF 3,9 MB

Application diagram

Applications

  • Automotive LED lighting applications
    - Front Light (e.g. Low Beam, High Beam, Daytime Running Light, Direction Indicator Light, Curve Light)
    - Rear Lamp (e.g. Brake Lamp, Reverse Light, Back Up Light, Rear Fog Light)
  • General indoor and outdoor lighting and signals
  • General current driven applications

Order Information

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Samples

Part No. Oscillator spectrum Package Order No.
E522.32 spread QFN32L5 E52232A61C
E522.34 narrow QFN32L5 E52234A61C


Boards

Part No Description Board type Order No.
E522.32 Headlight LED Demo (2x Boost to Battery Topology) for High Beam, Low Beam (1A) and Daytime Running Light (750mA) Demoboard K52232-0003
E522.32 Buck to Battery dual phase Converter (6A) Demoboard K522