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U641B-MY Datasheet(PDF) 1 Page - ATMEL Corporation |
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U641B-MY Datasheet(HTML) 1 Page - ATMEL Corporation |
1 / 12 page Features • Interval Pause: 4s to 20s • After-wiping Time: 2s to 20s • Wiper Motor’s Park Switch • 0.6s 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 1. 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. 2. Functional Description As a convenience feature of the windshield wiper, intermittent and wipe/wash opera- tion functions are implemented in most of the automobiles. The U641B is a cost-effective solution for an accurate timing function control. Wipe/wash mode has priority over interval mode. Interval pause and after-wiping time can be set to fixed val- ues by using 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 the U641B. Interval and Wipe/Wash Wiper Control IC with Delay U641B 4773C–AUTO–10/07 |
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Similar Description - U641B-MY |
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