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U642B - Automotive Wipe/Wash or Interval Switch

Datasheet Summary

Description

As a convenience feature of the windshield wiper intermittent and wipe/wash operation are implemented in most of the automobiles.

The U642B controls all timing functions accurately at a reasonable price level.

Features

  • D Interval pause: 4 to 20 s D Afterwiping time: 2 to 20 s D Wiper motor’s park switch D Wipe/wash mode priority D One external capacitor, determines all time sequences D Relay driver with Z-diode D Interference protection according to VDE 0839 or ISO/TR 7637/1 D Load-dump protected Ordering Information Extended Type Number U642B U642B.
  • FP Package DIP8 SO8 Remarks Block Diagram VS 8 Relay control 7 S1 6 VRef Park switch comparator WI WA 5 VRef Input comparator Load-dump comparator VRe.

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Datasheet preview – U642B

Datasheet Details

Part number U642B
Manufacturer TEMIC Semiconductors
File Size 95.10 KB
Description Automotive Wipe/Wash or Interval Switch
Datasheet download datasheet U642B Datasheet
Additional preview pages of the U642B datasheet.

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Full PDF Text Transcription

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U642B Automotive Wipe/Wash or Interval Switch Description As a convenience feature of the windshield wiper intermittent and wipe/wash operation are implemented in most of the automobiles. The U642B controls all timing functions accurately at a reasonable price level. Interval pause and afterwiping time can be set to fixed values with the help of resistors in a broad time range. Added value can be provided with an individual, continuous adjustment of the interval pause by a potentiometer which may be built into the stalk. For proper operation it is mandatory to feed the signal of the wiper motor‘s park switch into U642B.
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