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What is U6046B-FP?

This electronic component, produced by the manufacturer "TEMIC Semiconductors", performs the same function as "Rear Window Heating Timer".


U6046B-FP Datasheet PDF - TEMIC Semiconductors

Part Number U6046B-FP
Description Rear Window Heating Timer
Manufacturers TEMIC Semiconductors 
Logo TEMIC Semiconductors Logo 


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Rear Window Heating Timer
U6046B / U6047B
Description
The window heating timers are bipolar integrated
circuits. Due to time controlled functions, they reduce the
current consumptions of high loads i.e., heating resistors.
An ON-relay can be switched off after a preset delay time.
The relay time can be interrupted manually, whereas a
retrigger function is not provided.
Features
D Delay time range: 3.7 s to 20 h
D RC oscillator determines switching characteristics
D Relay driver with Z-diode
D Debounced input for toggle switch
D Two debounced inputs: ON and OFF
D Load-dump protection
D RF interference protected
D Protection according to ISO/TR7637-1 (VDE 0839)
D U6046B: Inputs switched to VBatt
D U6047B: Inputs switched to ground
Ordering Information
Extended Type Number
U6046B, U6047B
U6046B–FP, U6047B–FP
Package
DIP8
SO8
Remarks
Block Diagram
C2
OSC 6
mR2
47 F
C1
R1
Vstab 7
VS 8
510 W
VBatt
Oscillator
Stabilization
Power-on reset
Load-dump detection
1
GND
3
ON
4
OFF
5
TOGGLE
Frequency divider
Debouncing
Monoflop
Relay control
output
2
94 8747
Figure 1. Block diagram with external circuit
TELEFUNKEN Semiconductors
Rev. A2, 03-Feb-97
1 (11)

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U6046B-FP equivalent
U6046B / U6047B
WFigure 11 shows the input circuit of U6047B. It has an
integrated pull-up resistance (100 k ), RF capacitor
(15 PF) and Z-diode (7 V). The circuit reacts to voltages
less than 2 V. The external protective resistance has a
Wvalue of 2 k and the push-button switch is connected to
GND. Contact current, I, is calculated as follows:
[ ) +W WI
VS
(100 k 2 k )
when VBatt
12 V
[I 0.1 mA
WIt can be increased by connecting a 5.6 k resistor from
the push-button-switch to VBatt as shown in figure 19.
The connecting diodes prevent the current flow to the
input of the Z-diodes when the rocker actuated-switch is
in open-state (current-consumption only in
standby-mode). If necessary, these diodes can be omitted.
Timing Waveform
Diagram 5A
Toggle
Relay t3
t3
Diagram 5B
ON
OFF t3
t3
Relay
t3
Diagram 5C
ON
OFF
t3
t3
t3
t3
t3
t3
t3 t3
td
t3 t3 td
Pin 5
Pin 2
Pin 3
Pin 4
Pin 2
Pin 3
Pin 4
Relay
t3
td
Figure 9. Behavior of the relay control output as a function of input condition
Pin 2
94 8755
VBatt
S R Pin 3,4,5
20 kW
7V
2V
+
15 pF
20 kW
94 8756
Figure 10. Input circuit U6046B
TELEFUNKEN Semiconductors
Rev. A2, 03-Feb-97
VS
100 kW
Pin 3,4,5
2 kW
7V
2V
+
15 pF
Figure 11. Input circuit U6047B
94 8757
5 (11)


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for U6046B-FP electronic component.


Information Total 11 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
U6046B-FPThe function is Rear Window Heating Timer. TEMIC SemiconductorsTEMIC Semiconductors

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