U642B ATMEL Corporation, U642B Datasheet
U642B
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U642B Summary of contents
Page 1
... Description As a convenience feature of the windshield wiper intermittent and wipe/wash operation are implemented in most of the automobiles. The U642B is the low-cost solution 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 by ...
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... The switching delays are slightly shorter, because the capacitor is already charged to a value The wipe/ wash function is not interrupted when interval switch S is activated. Interval function begins after the 2 WIWA function is over. Remarks OUT 2 7 U642B C 6 PARK 3 t WASH 7691 Figure 2. Pinning . Afterwards the Time ...
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... Relay 510 Park switch M Wiper motor Figure 3. Application circuit with interval and wipe/wash operation Rev. A4, 10-Apr- U642B 2 130 kW time Interval switch U642B WIWA 8951 Water pump 3 (7) ...
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... U642B Absolute Maximum Ratings Parameters Supply voltage Supply current 200 ms Relay control output current (DC 200 ms Pulse current (control inputs) Park switch, S Wipe/Wash switch, S Interval switch, S Power dissipation amb Storage temperature range Ambient temperature range Thermal Resistance Parameters Junction ambient Electrical Characteristics ...
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... Figure 6. Interval pause = time 130 kW time 4 = 300 kW time 100 –40 14007 Figure 7. Afterwiping time = U642B Min. Typ. Max. Unit –1.4/–5.4 –0.8 7.6 3.6 4 4.4 10.8 12 13.2 100 ms 4.75 5.25 5. Interval resistor ( INT time Batt R = 130 kW ...
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... U642B Package Information Package DIP8 Dimensions Package SO8 Dimensions in mm 0.4 1. (7) 9.8 9.5 1.64 1.44 4.8 max 6.4 max 3.3 0.5 min 0.36 max 0.58 2.54 0.48 7.62 5 technical drawings according to DIN specifications 4 5.2 4.8 5.00 4.85 3.7 1.4 0.25 3 ...
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... Data sheets can also be retrieved from the Internet: Atmel Germany GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone: 49 (0)7131 67 2594, Fax number: 49 (0)7131 67 2423 Rev. A4, 10-Apr-01 U642B http://www.atmel–wm.com 7 (7) ...