U6032B ATMEL | Alldatasheet
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Technical content
Features
Debounce Time: 0.3 ms to 6 s RC Oscillator Determines Switching Characteristics Relay Driver with Z-diode Debounced Input for Toggle Switch Three Debounced Inputs: ON, OFF and TOGGLE Load-dump Protection RF Interference Protection Protection According to ISO/TR7637-1 (VDE 0839)
Description
The bipolar integrated circuit U6032B is designed as a toggle switch. The device, which has a defined power-on status, can be used to control electrical loads, for exam- ple, fog lamps, high/low beam or heated windows for automotive applications. Figure 1. Block Diagram with External Circuit
2 U6032B
Figure 2. Pinning DIP8/SO8
1 GND Reference point, ground
2 RELAY Relay control output
3 ON Switch-on input
4 OFF Switch-off input
5 TOGGLE Toggle input
6 OSC RC oscillator input
7 VSTAB Stabilized voltage
8 VS Supply voltage
current in case of overvoltage, whereas C1 smoothes the supply voltage at pin 8. Recommended values are: R1 = 510 /g87, C1 = 47 µF. ation in a supply-voltage range of 6 V to 16 V, supplied by VBatt. Figure 3. Basic Circuit for 12-V Supply and Oscillator
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Figure 4. Basic Circuit for VS = 5 V ably greater than the external resistance value. Table 1 shows the relationship between t3, C2, R2 and frequencies from 1 Hz to 20 kHz.
stand the generated current. OFF or TOGGLE (pins 3, 4 and 5, input circuit of these pins see Figure 6 on page 6). rupted after the elapse of the delay time, td. There are two input possibilities. becomes active after the debounce time, t3, i.e., the relay output, pin 2, is active. output when the debounce time, td, is exceeded, i.e., the TOGGLE function. If the relay output is not disabled by pressing the switch S1, the output stays active. Figure 5. TOGGLE Function
6 U6032B
ated switch) is recommended. ton switch, the output remains active. (20 k/g87), RF capacitor (15 pF) and Z-diode (7 V). It reacts to voltages greater than 2 V. connected to the battery as shown in the diagram. ground as shown in Figure 8 on page 7. Figure 6. Input Circuit Figure 7. ON/OFF Function
Figure 8. Increasing the Contact Current by Parallel Resistors specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
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4771A–AUTO–11/03
Electrical Characteristics
VBatt = 13.5 V, Tamb = 25/g176C, reference point ground, Figure 1 on page 1, unless otherwise specified Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Operating voltage R1 /g179510 /g87 t<5m i n t<6 0m i n VBatt 6 18 V
5 V supply Without R
1, C1 7, 8 V 8, V7 4.3 6.0 V Stabilized voltage V Batt = 12 V 7 V 7 5.0 5.2 5.4 V Undervoltage threshold Power-on reset V S 3.0 4.2 V Supply current All push buttons open 8 I S 1.3 2.0 mA Internal Z-diode I 8 = 10 mA 8 V Z 13.5 14 16 V Relay Control Output 2 Saturation voltage I2 = 200 mA I2 = 300 mA V2 1.2 1.5 V Leakage current V 2 = 14 V I lkg 21 0 0 µ A Output current I 2 300 mA Output Pulse Current Load-dump pulse t /g163 300 ms I 2 1.5 A Internal Z-diode I 2 = 10 mA V Z 20 22 24 V Oscillator Input f = 0.001 to 40 kHz, see Table 1 6 Internal discharge resistance V 6 = 5 V R 6 1.6 2.0 2.4 k /g87 Switching thresholds Lower Upper V6L V6H 0.9 2.8 1.1 3.1 1.4 3.5 V Input current V 6 = 0 V -I 6 1µ A Switching Times Debounce time t 3 57 C y c l e s Inputs ON, OFF, TOGGLE 3, 4, 5 Switching threshold voltage V 3,4,5 1.6 2.0 2.4 V Internal Z-diode I 3,4,5 = 10 mA V 3,4,5 6.5 7.1 8.0 V Pull-down resistance V 3,4,5 = 5 V R 3,4,5 13 20 50 k /g87 Table 1. Values for C2 and R2 for a Given Oscillator Frequency and Debounce Time
Table 1. Values for C2 and R2 for a Given Oscillator Frequency and Debounce Time (Continued)
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Package Information
Ordering Information
Extended Type Number Package Remarks U6032B DIP8 – U6032B-FP SO8 – 9.8 9.5 Dimensions in mm 1.64 1.44 4.8 max 0.5 min 3.3 0.58 0.48 7.62 2.54 6.4 max 0.36 max 9.8 8.2 7.77 7.47 technical drawings according to DIN specifications
4771A–AUTO–11/03 technical drawings according to DIN specifications Dimensions in mm 5.00 4.85 0.4 1.27 3.81 1.4 0.25 0.10 5.2 4.8 3.7 3.8 6.15 5.85 0.2
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