U840B Digital / Wipe-Wash Control

TEMIC Semiconductors

Description

www.DataSheet4U.com U840B Digital / Wipe-Wash Control for Rear or Front Wiper .
The circuits U840B (DIP8) and U840B-FP (SO8) are designed as interval wipe/ wash timer for automotive applications.

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Datasheet Specifications

Part number: U840B
Manufacturer: TEMIC Semiconductors
File Size: 147.07 KB
Datasheet: U840B_TEMICSemiconductors.pdf
Description: Digital / Wipe-Wash Control

Features

* D Interval-switch A and B to GND D Wipe/ wash push button to VBatt D Output driver protected against short circuit digital debounced: t6 = 10 ms D All time periods digital determined by RC-oscillator D Turn-on time of relay t2 = 375 ms D Adjustable interval pause, t3 = 0.8 to 22 s D Dry wiping time

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 immedi

U840B Distributors

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