Voltage output circuit and atomizing device
View Patent ↗Provided is a voltage output circuit. The voltage output circuit includes a processing module and N output modules, N is an integer greater than 1. The processing module includes N output ends. The N output terminals of the processing module are correspondingly connected to the N output modules, and the N output terminals of the processing module are used for respectively output control signals so as to control the corresponding output modules to output drive voltages. The voltage output circuit is provided with multiple output modules respectively controlled by multiple control signals, so that the voltage output circuit is capable of respectively providing drive voltages to multiple apparatuses of one device, and has good compatibility and high flexibility.
1. A voltage output circuit, wherein the voltage output circuit comprises a processing module and N output modules, N is an integer greater than one;
the processing module comprises N output terminals, and each of the N output terminals of the processing module is respectively connected to a different one of the N output modules, and the N output terminals of the processing module are respectively configured to output a control signal to control a corresponding output module output drive voltage;
wherein each of the output modules comprises an output control unit and a switch unit, and the output control unit is electrically connected to the switch unit, and configured to output the drive voltage according to the control signal outputted by the output terminal of the processing module;
a first input terminal of the output control unit is electrically connected to the output terminals of the processing module to receive the control signal, and the output control unit comprises a third output terminal and a fourth output terminal;
the switch unit receives a first DC input voltage and is connected to the third output terminal and the fourth output terminal to output the drive voltage.
2. The voltage output circuit according to claim 1 , wherein the switch unit comprises a first switch sub-unit and a second switch sub-unit, and the first switch sub-unit comprises a first connecting terminal, a first control terminal, and a second connecting terminal, and the second switch sub-unit comprises a third connecting terminal, a second control terminal, and a fourth connecting terminal, the first connecting terminal receiving the first DC input voltage, the first control terminal is electrically connected to the third output terminal of the output control unit, the second connecting terminal is electrically connected to the third connecting terminal, the second control terminal is electrically connected to the fourth output terminal of the output control unit, and the fourth connecting terminal is grounded.
3. The voltage output circuit according to claim 1 , wherein, each of the N output modules is electrically connected to a different heating apparatus of the N heating apparatus in a one-to-one correspondence, to respectively output drive voltages to the corresponding heating apparatus.
4. The voltage output circuit according to claim 2 , wherein the output module further comprises at least one of an adjusting unit, a current feedback unit, and a voltage feedback unit.
5. The voltage output circuit according to claim 4 , wherein the adjusting unit comprises a power inductor and a first capacitor; a first terminal of the power inductor is electrically connected to the second connecting terminal of the first switch sub-unit to receive the drive voltage;
a first terminal of the first capacitor is electrically connected to a second terminal of the power inductor, and a second terminal of the first capacitor is grounded.
6. The voltage generating circuit according to claim 5 , wherein the voltage feedback unit comprises a feedback resistor and a feedback capacitor connected in parallel with the feedback resistor; a first terminal of the feedback resistor is electrically connected to the second terminal of the power inductor, and a second terminal of the feedback resistor is grounded.
7. The voltage output circuit according to claim 2 , wherein the first switch sub-unit and the second switch sub-unit are both SIRA04DP chips.
8. An atomizing device, wherein the atomizing device comprises the voltage output circuit according to claim 1 ;
wherein each of the output modules comprises an output control unit and a switch unit, and the output control unit is electrically connected to the switch unit, and configured to output the drive voltage according to the control signal outputted by the output terminal of the processing module;
a first input terminal of the output control unit is electrically connected to the output terminals of the processing module to receive the control signal, and the output control unit comprises a third output terminal and a fourth output terminal;
the switch unit receives a first DC input voltage and is connected to the third output terminal and the fourth output terminal to output the drive voltage.
9. The atomizing device according to claim 8 , wherein the atomizing device further comprises N heating apparatus, each of the N heating apparatus is electrically connected to a different one of the N output modules, respectively, to respectively receiving the drive voltage output by the output module.
10. The atomizing device according to claim 8 , wherein the switch unit comprises a first switch sub-unit and a second switch sub-unit, and the first switch sub-unit comprises a first connecting terminal, a first control terminal, and a second connecting terminal, and the second switch sub-unit comprises a third connecting terminal, a second control terminal, and a fourth connecting terminal, the first connecting terminal receiving the first DC input voltage, the first control terminal is electrically connected to the third output terminal of the output control unit, the second connecting terminal is electrically connected to the third connecting terminal, the second control terminal is electrically connected to the fourth output terminal of the output control unit, and the fourth connecting terminal is grounded.
11. The atomizing device according to claim 8 , wherein each of the N output modules is electrically connected to a different heating apparatus of the N heating apparatus in a one-to-one correspondence, to respectively output drive voltages to the corresponding heating apparatus.
12. The atomizing device according to claim 10 , wherein the output module further comprises at least one of an adjusting unit, a current feedback unit, and a voltage feedback unit.
13. The atomizing device according to claim 12 , wherein the adjusting unit comprises a power inductor and a first capacitor; a first terminal of the power inductor is electrically connected to the second connecting terminal of the first switch sub-unit to receive the drive voltage;
a first terminal of the first capacitor is electrically connected to a second terminal of the power inductor, and a second terminal of the first capacitor is grounded.
14. The atomizing device according to claim 13 , wherein the voltage feedback unit comprises a feedback resistor and a feedback capacitor connected in parallel with the feedback resistor; a first terminal of the feedback resistor is electrically connected to the second terminal of the power inductor, and a second terminal of the feedback resistor is grounded.
15. The atomizing device according to claim 10 , wherein the first switch sub-unit and the second switch sub-unit are both SIRA04DP chips.