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