U2642B Datasheet, PDF (5/10 Pages) TEMIC Semiconductors – Intermittent- and Wipe/Wash Control for Wiper Systems

U2642B
Parameters
Test Conditions / Pin Symbol Min
Typ
Max
Unit
Inputs INT, WIWA and PP
Pins 1, 2 and 4
Internal protection-diode
voltage
Internal capacitor
Switching threshold
voltage
Input current
Internal pull-down resistor
External protection resistor
Relay Output
I_E = 10 mA
V_E = 0 V
Pins 6
V_E
19.5
21.0
25.5
V
C_E
25
pF
V_E
0.375 V_S 0.5 V_S 0.675 V_S
V
–I_E
R_E
R_S
13
10
20
1
mA
27
kW
kW
Saturation voltage
Saturation voltage
Z-diode clamp voltage
Leakage current
Relay coil resistance
Load-dump protection
threshold
Internal pulse times
I = 100 mA
I = 200 mA
I = 10 mA
V = 14 V
V_REL
1.1
V
V_REL
1.5
V
V_REL
19.5
I_REL
R_REL
60
21.0
25.5
12
V
mA
W
V_Batt
28
33
42
V
Debouncing period inputs INT/WIWA 12 - 16 clocks
t_D
60
70
80
ms
Debouncing period inputs LS
3 – 4 clocks
t_DL
15
17.5
20
ms
Relay activation time
96 clocks t_ON
480
ms
Intermittent pause
After wiping period
" 1024 68 clocks
t_INT
t_WIWA
4.78
5.92
5.46
s
s
Pre-wash delay reaction
time for switch-on delay =
88 – 96 clocks t_DEL
440
480
ms
t_DEL + t_D
Note: All internally generated time sequences are derived from the oscillator frquency. The tolerances refer to a
frequency adjusted to f_OSC = 200 Hz.
TELEFUNKEN Semiconductors
Rev. A2, 02-Dec-97
5 (10)