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U846B - Digital Wiper Control

Datasheet Summary

Description

The U846B is a bipolar integrated circuit for automotive use (“Rugged Silicon”) in interval and wipe/ wash control of windshield or backlite wipers.

The interval pause can be set individually within a wide range by using a potentiometer.

Features

  • Interval input: high side D Wipe/ wash input: high side D Park input: low side (park position) D Output driver protected against short circuits D All time periods determined by an RC-oscillator D Typical relay activation time of 500 ms D Adjustable interval pause from 1.2 s to 27 s D Typical pre-wipe delay of 100 ms D Dry wiping D.
  • With park-switch signal: 2 cycles D.
  • Without park-switch signal typically 5.25 s D Inputs INT, WASH and PARK digitally debounced D All inputs with.

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Datasheet preview – U846B

Datasheet Details

Part number U846B
Manufacturer TEMIC Semiconductors
File Size 155.04 KB
Description Digital Wiper Control
Datasheet download datasheet U846B Datasheet
Additional preview pages of the U846B datasheet.

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www.DataSheet4U.com U846B Digital Wiper Control for Intermittent and Wipe/ Wash Mode Description The U846B is a bipolar integrated circuit for automotive use (“Rugged Silicon”) in interval and wipe/ wash control of windshield or backlite wipers. The interval pause can be set individually within a wide range by using a potentiometer. Wipe / wash mode with dry wiping activated either for 2 wipes or for a certain time has priority over the interval mode. The U846B is used in applications to control wiper motors with or without park-switch signal feedback. The integrated relay driver is protected against short circuits and is switched to conductive condition in the case of a load-dump.
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