The E909.21 controller for proximity and gesture recognition is based on the proven HALIOS® technology. The device is op-timized for the use for automotive touch displays. The func-tion principle is based on comparing the... read more


  • Patented HALIOS® control loop
  • 4 LED sending channels, 100mA per channel
  • 2 receiving channels, 1 compensator channel
  • Scalable HALIOS® frequency up to 1MHz
  • SSI serial sensor interface
  • 16 bit Harvard Architecture H430 CPU
  • 32kByte Flash, 4kByte SRAM and 8kByte SysROM
  • Temperature range -40°C to +105°C
  • Automotive qualified (AEC-Q100)


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File Description Type
Info Sheet PDF 137 kB
Product Flyer Automotive Gesture Control PDF 5.82 MB

On Request

File Description
E909.21 | Data Sheet | Errata Sheet

Application Diagram


  • Proximity a. gesture recognition for automotive touch displays
  • ƒ Driver and passenger detection
  • ƒ Wake-up function for displays
  • ƒ Touchless control in harsh environments (e.g. explosion protected areas)

Ordering Information

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Part No. Temp. Range Package Order No.
E909.21 -40°C to +85°C QFN32L5 E90921A61C


Part No. Description Board type Order No.
E909.21 10 inch Bottom G2 Evaluation Kit Evaluation Kit M141 or M142
E909.21/22 10inch Bottom G2 Reference Design Package Reference Design M1003D
E909.21/22 13 inch Bottom G2 Evaluation Kit Evaluation Kit M143
E909.21/22 15 inch Bottom G2 Evaluation Kit Evaluation Kit M144
E909.21 Mini ComBoard-03 Accessory M1006
E909.21 MAZ JTAG Adapter-00 Accessory M1007

*)Without LED current and photo diode current

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