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PDF U690B Data sheet ( Hoja de datos )
| Número de pieza | U690B | |
| Descripción | Rear Wiper Interval/Wipe-Wash Control | |
| Fabricantes | TEMIC Semiconductors | |
| Logotipo |  |
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Rear Wiper Interval/Wipe-Wash Control
U690B
Description
The bipolar integrated circuit, U690B, is designed with a
time coded input for the rear pane wiper application. The
length of the input signal determines the mode of
operation i.e., intermittent or wipe/ wash; therefore, only
one signal line is sufficient from the input switch to the
electronic module.
Features
D Time controlled interval/ wipe-wash
D Wiper arm’s park position control
D Interval pause typ. 7 s
D Dry wiping time typ. 4.4 s
D Multipurpose frequency comparator
D Relay driver with Z-diode
D RC-oscillator determines switching characteristics
D Debounced main signal input
D Power-on reset by low-voltage identification
D Protection according to ISO / TR 7637–1 (VDE 0839)
D Load-dump protection
Applications
Speed or R.P.M. detection
Ordering Information
Extended Type Number
U690B
Package
DIP8
Remarks
Pin Configuration
Pin Symbol
Function
1 GND Ground
2 Output Relay control output
3 Input Signal input
4 Retrigger Retrigger
5 Program Program input
6 OSC RC-oscillator
7 Hyst Hysteresis output
8 Vstab Supply voltage 7.3 V
GND 1
Output 2
8 Vstab
7 Hyst
Input 3
6 OSC
Retrigger 4
5 Program
94 9328
Figure 4. Pinning
TELEFUNKEN Semiconductors
Rev. A2, 28-Apr-97
1 (9)
1 page  
Table 1. Time for rear wiper interval operation
Index t
Description
1 Interval ON (first pulse)
2 Interval ON (following pulses)
3 Interval pause (except first pause)
4 Pause (dry wiping interval pulse)
5 Dry wiping time min/max
6 Gate for retrigger
7 Min/max lengthening at retrigger
8 Debounce time min/max
9 Recognition time for dry wiping min/max
U690B
Oscillator Clocks
252
256
2816
1024
1738/1810
8
248/256
16/24
240/248
fosc 1
2
(Hz) (ms) (ms)
3
(s)
4
5min
6
7min
8min
9min
5max
7max
8max
9max
(s) (s) (ms) (ms) (ms) (ms)
300
840
853
9.387
3.410
5.790
27
827
53
800
6.030
853 80 827
310
813
826
9.084
3.300
5.603
26
800
52
774
5.835
826 77 800
320
788
800
8.800
3.197
5.428
25
775
50
750
5.653
800 75 775
330
764
776
8.533
3.100
5.264
24
752
48
727
5.482
776 73 752
340
741
753
8.282
3.009
5.109
24
729
47
706
5.321
753 71 729
350
720
731
8.064
2.923
4.963
23
709
46
686
5.169
731 69 709
360
700
711
7.822
2.842
4.825
22
689
44
667
5.025
711 67 689
370
681
692
7.611
2.765
4.695
22
670
43
649
4.889
692 65 670
380
663
674
7.411
2.692
4.571
21
653
42
632
4.761
674 63 653
390
646
656
7.221
2.623
4.454
21
636
41
615
4.638
656 62 636
400
630
640
7.040
2.558
4.343
20
620
40
600
4.523
640 60 620
410
615
624
6.868
2.495
4.237
20
605
39
585
4.412
624 59 605
420
600
610
6.705
2.436
4.136
19
590
38
571
4.307
610 57 590
430
586
595
6.549
2.379
4.040
19
577
37
558
4.207
595 56 577
440
573
582
6.400
2.325
3.948
18
564
36
545
4.111
582 55 564
450
560
569
6.258
2.273
3.860
18
551
36
533
4.020
569 53 551
460
548
557
6.122
2.224
3.776
17
539
35
522
3.933
557 52 539
470
536
545
5.991
2.177
3.696
17
528
34
511
3.849
545 51 528
480
525
533
5.867
2.131
3.619
17
517
33
500
3.769
533 50 517
490
514
522
5.747
2.088
3.545
16
506
33
490
3.692
522 49 506
500
504
512
5.632
2.046
3.474
16
496
32
480
3.618
512 48 496
TELEFUNKEN Semiconductors
Rev. A2, 28-Apr-97
5 (9)
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet U690B.PDF ] | |
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