U846B - Digital Wiper Control
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
U846B Features
* D 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-w