U641B - INTERVAL AND WIPE/WASH WIPER CONTROL IC

Datasheet Summary

Description

The U641B is a bi-polar integrated circuit designed for the wiper application in the automotive market.

It includes wipe, wash and internal mode.

Features

Interval Pause: 4 to 20 s.
After-wiping Time: 2 to 20 s.
Wiper Motor's Park Switch.
0.6 s Prewash Delay.
Wipe/Wash Mode Priority.
One External Capacitor Determines All Time Sequences.
Relay Driver with Z-diode.
Interference Protection According to VDE 0839 or ISO/TR 7637/1.
Load-dump Protected.

ATMEL Corporation

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Datasheet Details

Part number	U641B
Manufacturer	ATMEL Corporation
File Size	142.82 KB
Description	INTERVAL AND WIPE/WASH WIPER CONTROL IC
Datasheet	U641B Datasheet
Additional preview pages of the U641B datasheet.

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Full PDF Text Transcription

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Features • Interval Pause: 4 to 20 s • After-wiping Time: 2 to 20 s • Wiper Motor's Park Switch • 0.6 s Prewash Delay • Wipe/Wash Mode Priority • One External Capacitor Determines All Time Sequences • Relay Driver with Z-diode • Interference Protection According to VDE 0839 or ISO/TR 7637/1 • Load-dump Protected Description The U641B is a bi-polar integrated circuit designed for the wiper application in the automotive market. It includes wipe, wash and internal mode. Functional Description As a convenience feature of the windshield wiper, intermittent and wipe/wash operation functions are implemented in most of the automobiles. The U641B is a costeffective solution for an accurate timing function control. Wipe/wash mode has priority over interval mode.

Published: Apr 16, 2005 |