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


  • 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)


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File Description Type
Info Sheet PDF 160 kB
Product Flyer LED Controller PDF 3.91 MB

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File Description
E522.32/E522.34 | Data Sheet

Application Diagram


  • Automotive LED lighting applications
  • Exterior LED lighting
  • TFT backlighting
  • General current driven applications

Ordering Information

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


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 K52232-0004
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