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UU642 - INTERVAL AND WIPE/WASH WIPER CONTROLLER

General Description

The bipolar integrated circuit UTC UU642 is designed as a wiper for automotive application.

It includes wipe, wash and internal mode.

The UTC UU642 is a cost-effective solution for an accurate timing function control.

Key Features

  • After-wiping time: 2s~20s.
  • Interval pause: 4s~20s.
  • Wipe/wash mode priority.
  • Wiper motor’s park switch.
  • Relay driver with Z-diode.
  • One external capacitor determines all time sequences.
  • Interference protection according to VDE 0839 or ISO/TR 637/1.
  • Load-dump protected.

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Full PDF Text Transcription for UU642 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for UU642. For precise diagrams, and layout, please refer to the original PDF.

UNISONIC TECHNOLOGIES CO., LTD UU642 LINEAR INTEGRATED CIRCUIT INTERVAL AND WIPE/WASH WIPER CONTROL IC  DESCRIPTION The bipolar integrated circuit UTC UU642 is designed ...

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IC  DESCRIPTION The bipolar integrated circuit UTC UU642 is designed as a wiper for automotive application. It includes wipe, wash and internal mode. The UTC UU642 is a cost-effective solution for an accurate timing function control. Wipe/wash mode has priority over interval mode. Interval pause and after-wiping time can be set to fixed values by using 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