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U840B

TEMIC Semiconductors
Part Number U840B
Manufacturer TEMIC Semiconductors
Description Digital / Wipe-Wash Control
Published Dec 3, 2007
Detailed Description www.DataSheet4U.com U840B Digital / Wipe-Wash Control for Rear or Front Wiper Description The circuits U840B (DIP8) and...
Datasheet PDF File U840B PDF File

U840B
U840B

Overview
www.
DataSheet4U.
com U840B Digital / Wipe-Wash Control for Rear or Front Wiper Description The circuits U840B (DIP8) and U840B-FP (SO8) are designed as interval wipe/ wash timer for automotive applications.
The interval pause t3 can be set in a range from 0.
8 s to 22 s by an external 30 kW potentiometer.
All other time periods are determined by the basic frequency f0 of the oscillator.
The wipe/ wash (WIWA) mode has priority over the interval mode.
The program Pin PP controls, whether the wiper immediatly starts to wipe, or with a delay time t4 of 0.
8 s.
The inputs CP and INT are digital debounced, the turn-on as well as the turn-off.
The integrated relay driver is protected against short ci...


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