App: Automotive Interval Wipe/Wash Wiper Relay IC Ref: U642B U641B Package: DIP8 SOP8 100% New Original Test

U641B Auto Interval and Wipe/Wash Wiper Control IC

DescriptionAs a convenience feature of the windshield wiper intermittent and wipe/wash operation are implemented in most of the automobiles. The U641B is the low-costsolution for an accurate timing function control. Wipe/wash mode has priority over interval mode. Interval pause and afterwiping time can be set to fixed values byusing resistors in a broad time range. Added value can be provided with an individual, continuous adjustment of the interval pause by a potentiometer which may be built into the stalk. For proper operation it is mandatory to feed the signal of the wiper motor's park switch into U641B.

FeaturesInterval pause: 4 to 20 sAfterwiping time: 2 to 20 sWiper motor's park switchWipe/wash mode priorityOne external capacitor, determines all time sequencesRelay driver with Z-diodeLoad-dump protected

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DANDONG HUAAO ELECTRONICS CO.,LTD

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