U642B_05 ATMEL [ATMEL Corporation], U642B_05 Datasheet
U642B_05
Related parts for U642B_05
U642B_05 Summary of contents
Page 1
Features • Interval Pause 20s • After-wiping Time 20s • Wiper Motor’s Park Switch • Wipe/Wash Mode Priority • One External Capacitor Determines All Time Sequences • Relay Driver with Z-diode • Interference Protection According to ...
Page 2
Figure 2-1. Block Diagram V GND U642B 2 PARK OUT Load-dump comparator V Ref Logic V Ref Interval comparator 1 2 INT WASH Ref Ref Park switch Input comparator comparator ...
Page 3
Pin Configuration Figure 3-1. Pinning Table 3-1. Pin Description Pin Symbol Function 1 GND Ground 2 INT Interval switch 3 CT Timing capacitor After-wiping time resistance 5 WASH Wipe/wash switch 6 PARK Park switch for wiper ...
Page 4
Circuit Description 4.1 Interval Function, Pin 2 By closing the interval switch, S rent source (pin 3) which holds the capacitor C there is a positive potential at the park switch (S 2) charges the capacitor C ground potential, ...
Page 5
Figure 4-1. Application Circuit with Interval and Wipe/Wash Operation Relay S 1 Park switch M Wiper motor 4774B–AUTO–09/ µF U642B 2 ...
Page 6
Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated ...
Page 7
Electrical Characteristics V = 12V 25°C, reference point is pin 8 (see Batt amb Parameters Test Conditions Supply voltage Supply current Z-diode limitation Overvoltage Threshold current Threshold voltage Relay Control Output I 7 Saturation voltage I 7 ...
Page 8
Diagrams Figure 8-1. Figure 8-2. Figure 8-3. U642B 8 Interval Pause = f (T µ -40 - Temperature (°C) After-wiping Time = f (T ...
Page 9
Figure 8-4. 4774B–AUTO–09/05 After-wiping Time = f (T µ Batt -40 - Temperature (°C) = 16V Batt time ...
Page 10
Ordering Information Extended Type Number U642B-MY U642B-MFPY U642B-MFPG3Y 10. Package Information Package: DIP8 Dimensions in mm 2.54 nom. Drawing-No.: 6.543-5040.01-4 Issue: 1; 16.01.02 U642B 10 Package DIP8 SO8 SO8 9.8 max. 9.6 ±0.1 1.2 ±0.3 0.53 ±0. ...
Page 11
Package SO8 Dimensions in mm 11. Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 4774B-AUTO-09/05 4774B–AUTO–09/05 5.00 4.85 1.4 0.25 0.4 0.10 ...
Page 12
Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131, USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 Regional Headquarters Europe Atmel Sarl Route des Arsenaux 41 Case Postale 80 CH-1705 Fribourg Switzerland Tel: (41) 26-426-5555 Fax: (41) 26-426-5500 Asia Room 1219 ...