Description
The U842B circuit is designed as an interval and wipe/ wash timer for automotive wiper control.
Features
- D Interval input: low side D Wipe/ wash input: low side D Park input: high side (park position) D Output driver protected against short circuit D All time periods determined by RC oscillator D Fixed relay activation time of 500 ms D Adjustable interval pause from 3 s to 11 s D Fixed pre-wash delay of 400 ms D Dry wiping.
- With park switch signal: 3 cycles.
- Without park switch signal: 2.8 s
D Inputs INT, WASH and PARK digitally debounced D All inputs with integrated RF protectio.
U842B_TEMICSemiconductors.pdf
