CN118100661A - Multi-output power converter based on millimeter wave feedback and electronic equipment - Google Patents
Multi-output power converter based on millimeter wave feedback and electronic equipment Download PDFInfo
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- CN118100661A CN118100661A CN202410512730.3A CN202410512730A CN118100661A CN 118100661 A CN118100661 A CN 118100661A CN 202410512730 A CN202410512730 A CN 202410512730A CN 118100661 A CN118100661 A CN 118100661A
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 20
- 238000005070 sampling Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33561—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having more than one ouput with independent control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a millimeter wave feedback-based multi-output power converter and electronic equipment, which comprise a transformer, an input circuit, an output circuit, a primary controller, a secondary controller and a millimeter wave transceiver, wherein the input circuit is connected with the primary controller; the secondary controller comprises a synchronous rectification detection and control circuit and a multi-output control circuit; the synchronous rectification detection and control circuit is connected with the multi-output control circuit; the primary side of the transformer is connected with the primary controller through the input circuit; the primary controller is connected with the multiplexing output control circuit through the millimeter wave transceiver; the secondary side of the transformer is respectively connected with the synchronous rectification detection and control circuit and the multi-path output control circuit through the output circuit; the number of components and the footprint of the PCB may be reduced and efficiency increased compared to conventional two-stage architectures.
Description
Technical Field
The present invention relates to the field of power converters, and in particular, to a millimeter wave feedback-based multi-output power converter and an electronic device.
Background
Power converters with multiple outputs and Constant Current (CC) and/or Constant Voltage (CV) control are receiving increasing attention and are widely used because they can be applied in CV mode in situations where multiple levels of regulated output voltage are required, and in CC mode in situations where the regulated current is controlled, and in such applications they have significant advantages in terms of cost, volume and efficiency. Wherein when multiple outputs are applied to multiple loads then each output needs to be independently controlled based on control and regulation.
In most existing multiple-output converters, only one output can be independently regulated. If independent regulation control of the multiplexing output is to be achieved, additional DC-DC circuits and magnetic components are required to achieve accurate multiplexing output, which increases the cost and size of the power converter.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: provided are a multi-output power converter based on millimeter wave feedback and an electronic device capable of reducing the number of elements and the size while ensuring accurate multiplexing.
In order to solve the technical problems, the invention adopts a technical scheme that:
A multi-output power converter based on millimeter wave feedback comprises a transformer, an input circuit, an output circuit, a primary controller, a secondary controller and a millimeter wave transceiver;
the secondary controller comprises a synchronous rectification detection and control circuit and a multi-output control circuit;
The synchronous rectification detection and control circuit is connected with the multi-output control circuit;
the primary side of the transformer is connected with the primary controller through the input circuit;
the primary controller is connected with the multiplexing output control circuit through the millimeter wave transceiver;
the secondary side of the transformer is respectively connected with the synchronous rectification detection and control circuit and the multi-output control circuit through the output circuit.
In order to solve the technical problems, the invention adopts another technical scheme that:
An electronic device comprises the multi-output power converter based on millimeter wave feedback.
The invention has the beneficial effects that: in the multi-output power converter, a transformer, an input circuit, an output circuit, a primary controller, a secondary controller and a millimeter wave transceiver are arranged in the multi-output power converter, and a multi-output control circuit is arranged in the primary controller, wherein wireless communication is realized between the multi-output control circuits in the primary controller and the secondary controller through the millimeter wave transceiver, no extra DC-DC circuit and magnetic component are needed to be added in the prior art to achieve accurate multi-output, multi-output independent output is directly realized through the multi-output control circuit, the accuracy of the multi-output is ensured, meanwhile, because the millimeter wave transceiver can realize integrated design, the multi-output independent output is directly realized through the multi-output control circuit, the compact and efficient power system design with less components is realized, and on the other hand, the PCB area can be reduced through the integrated chip design of the millimeter wave transceiver.
Drawings
Fig. 1 is a circuit configuration diagram of a multi-output power converter based on millimeter wave feedback according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a primary controller according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a multiplexing output control circuit according to an embodiment of the invention;
fig. 4 is a circuit configuration diagram of a multi-output power converter based on millimeter wave feedback according to another embodiment of the present invention;
Fig. 5 is a circuit configuration diagram of a multi-output power converter based on millimeter wave feedback according to another embodiment of the present invention.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The multi-output power converter based on millimeter wave feedback can be applied to a power converter which needs to realize multi-path stable output, and the following description is given by a specific embodiment:
In an alternative embodiment, as shown in fig. 1, a multi-output power converter based on millimeter wave feedback includes a transformer, an input circuit, an output circuit, a primary controller, a secondary controller, and a millimeter wave transceiver;
the secondary controller comprises a synchronous rectification detection and control circuit and a multi-output control circuit;
The synchronous rectification detection and control circuit is connected with the multi-output control circuit;
the primary side of the transformer is connected with the primary controller through the input circuit;
the primary controller is connected with the multiplexing output control circuit through the millimeter wave transceiver;
The secondary side of the transformer is respectively connected with the synchronous rectification detection and control circuit and the multi-path output control circuit through the output circuit;
The millimeter wave transceiver comprises a first millimeter wave transceiver module and a second millimeter wave transceiver module, and wireless communication is realized between the first millimeter wave transceiver module and the second millimeter wave transceiver module through millimeter waves;
specifically, the input circuit includes a first capacitor Ci, a second capacitor C1, a first resistor R1, a second resistor R2, a first diode D1, a second diode D2, and a first transistor Q;
the primary side of the transformer includes a first primary winding Np and a second primary winding Navx;
One end of the first capacitor Ci and one end of the second capacitor C1 and one end of the first resistor R1 which are connected in parallel are connected to one end of the first primary winding Np;
The other end of the first capacitor Ci is grounded;
the other ends of the second capacitor C1 and the first resistor R1 which are connected in parallel are connected with the cathode of the first diode D1;
the anode of the first diode D1 is connected with the other end of the first primary winding Np and the drain electrode of the first transistor Q;
the grid electrode of the first transistor Q is connected with the primary controller;
the source electrode of the first transistor Q is grounded;
One end of the second primary winding Navx is connected with the anode of the second diode D2;
The cathode of the second diode D2 is connected with one end of the second resistor R2;
The other end of the second resistor R2 is connected with the primary controller;
in another alternative embodiment, the circuit further comprises a current sampling circuit;
As shown in fig. 2, the primary controller includes a B/I, B/O detector, an over-power compensation circuit, a slope compensation circuit, a start-up unit, a power manager, an adder, a first comparator, a driving signal manager, a decoder, and a fault manager;
The B/I detector is an overvoltage detector, and stops switching when the input voltage HV is higher than the voltage required by normal operation, and the B/O detector is an undervoltage detector, and stops switching when the input voltage HV is lower than the voltage required by normal operation;
The input end of the B/I, B/O detector and the input end of the over-power compensation circuit are respectively connected with an input voltage HV;
the output end of the B/I, B/O detector is connected with the input end of the fault manager;
The output end of the over-power compensation circuit and the output end of the slope compensation circuit are respectively connected to the input end of the adder; the output end of the current sampling circuit is respectively connected to the input end of the adder and the input end of the fault manager; the current sampling circuit comprises a resistor Rs, one end of the resistor Rs is grounded, and the other end of the resistor Rs is respectively connected to the input end of the adder and the input end of the fault manager;
the output end of the adder is connected to the input end of the first comparator;
The other end of the second resistor R2 is respectively connected to the input end of the starting unit and the input end of the fault manager; wherein, the power supply voltage is provided for the chip through the BPP in FIG. 2;
the other end of the starting unit is connected with the power manager;
The output end of the first comparator, one end of the decoder and the output end of the fault manager are respectively connected to the input end of the driving signal manager;
The output end of the driving signal manager is connected with the grid electrode of the first transistor;
the other end of the decoder is connected to the millimeter wave transceiver, in particular to the first millimeter wave transceiver module, i.e. RX in fig. 2.
Wherein the output circuit comprises a transistor;
The secondary side of the transformer includes a secondary winding;
The taps of the secondary winding are connected to the synchronous rectification detection and control circuit and the multi-output control circuit through corresponding transistors;
Wherein in another alternative embodiment, as shown in fig. 3, the multiplexing control circuit comprises a processor, a bypass regulator, a second comparator, and a detector;
one end of the processor is connected with the millimeter wave transceiver;
the secondary side of the transformer comprises three secondary side windings, and four taps are formed in total;
The output circuit includes a third diode D3, a fourth diode D4, a second transistor Q2, a third transistor Q1, a fourth transistor Qsr, a third capacitor C3, a fourth capacitor Co1, a fifth capacitor Co2, a sixth capacitor Co3, a third resistor R3, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, and a ninth resistor;
the first tap is connected with the positive electrode of the fourth diode D4, and the negative electrode of the fourth diode D4 is connected with the first input end of the bypass regulator;
The second tap is connected with the positive electrode of the third diode D3, and the negative electrode of the third diode D3 is connected with the drain electrode of the second transistor Q2;
The source electrode of the second transistor Q2 is connected with the second input end of the bypass regulator;
The grid electrode of the second transistor Q2 is connected to the processor through an inverter;
A third tap is connected with the drain electrode of the third transistor Q1;
A source electrode of the third transistor Q1 is connected with a third input end of the bypass regulator;
The gate of the third transistor Q1 is connected to the processor through another inverter;
The fourth tap is connected to the drain of the fourth transistor Qsr and is connected to the synchronous rectification detection and control circuit, the output end of the bypass regulator and one end of the detector through a third resistor R3, namely the FWD in fig. 3, wherein the FWD provides power for the chip at the time of starting and provides switching timing information;
The other end of the detector is connected to the processor;
The gate of the fourth transistor Qsr is connected to the synchronous rectification detection and control circuit and the output end of the second comparator, the output end of the second comparator is SR in fig. 3, and SR is a driving signal of the synchronous rectification control driver and is used for controlling Qsr switch;
The source of the fourth transistor Qsr is grounded and connected to the power output terminal of the bypass regulator through a third capacitor C3, i.e., BPS in fig. 3, which provides power for the secondary controller chip;
The sixth capacitor Co3 is connected between the cathode of the fourth diode D4 and the source electrode of the fourth transistor;
The source of the second transistor Q2 and the source of the fourth transistor Qsr are connected to the fifth capacitor Co2;
The source of the third transistor Q1 and the source of the fourth transistor Qsr are connected to the fourth capacitor Co1;
The first output end of the processor is connected with the energy starting end of the second comparator;
A second output end of the processor is connected to a source electrode of the third transistor through a fourth resistor;
the third output end of the processor is connected to the source electrode of the second crystal through a fifth resistor;
The fourth output end of the processor is connected to the cathode of the fourth diode D4 through a sixth resistor;
the second output end of the processor is grounded through a seventh resistor;
The third output end of the processor is grounded through an eighth resistor;
The fourth output end of the processor is grounded through a ninth resistor.
In fig. 3, GD1 and GD2 control CV1 and CV2 outputs, respectively; CV1, CV2 and CV3 respectively provide current for the secondary controller and sense the output voltage of each path;
The implementation mode realizes the output of three constant voltage CVs based on millimeter wave feedback.
In another alternative embodiment, as shown in fig. 4, the secondary side of the transformer includes one secondary winding, which together form two taps;
two taps correspond to the first tap and the fourth tap in the above embodiment, respectively;
The first tap is also connected to the drain of the third transistor Q1 instead of the second tap;
the processor includes the second output terminal and the third output terminal;
the bypass regulator includes the first input and the second input.
That is, in the present embodiment, the second transistor Q2 and its associated circuit connection shown in fig. 1 are omitted; the implementation mode realizes two paths of constant-voltage CV output based on millimeter wave feedback.
In another alternative embodiment, as shown in fig. 5, the secondary side of the transformer includes two secondary windings, together forming three taps;
Three taps correspond to the first tap, the third tap, and the fourth tap in the above embodiments, respectively; the second tap and associated circuit connections are omitted;
The LED display device further comprises an LED controller, a fifth transistor and an LED string;
the second output end and the third output end of the processor are connected with the input end of the LED controller;
The first output end of the LED controller is respectively connected with one end of the LED string and the drain electrode of the fifth transistor;
the other end of the LED string is connected with the cathode of the fourth diode;
the second output end of the LED controller is connected with the grid electrode of the fifth transistor;
And a third output end of the LED controller is connected with the source electrode of the fifth transistor.
The implementation mode realizes one constant-voltage CV output and one constant-current CC output based on millimeter wave feedback;
In another alternative embodiment, an electronic device includes a multiple output power converter based on millimeter wave feedback as described in any of the above embodiments.
In summary, according to the multi-output power converter and the electronic device based on millimeter wave feedback provided by the invention, on one hand, multiple independent outputs are directly realized through the multiple output control circuit, so that the compact and efficient power supply system design with less components is realized, and on the other hand, the PCB area can be reduced through the integrated chip design of the millimeter wave transceiver, therefore, compared with the traditional two-stage architecture, the number of components and the occupied area of the PCB can be reduced, and the efficiency is improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (8)
1. The multi-output power converter based on millimeter wave feedback is characterized by comprising a transformer, an input circuit, an output circuit, a primary controller, a secondary controller and a millimeter wave transceiver;
the secondary controller comprises a synchronous rectification detection and control circuit and a multi-output control circuit;
The synchronous rectification detection and control circuit is connected with the multi-output control circuit;
the primary side of the transformer is connected with the primary controller through the input circuit;
the primary controller is connected with the multiplexing output control circuit through the millimeter wave transceiver;
the secondary side of the transformer is respectively connected with the synchronous rectification detection and control circuit and the multi-output control circuit through the output circuit.
2. The millimeter wave feedback based multiple output power converter of claim 1, wherein said input circuit comprises a first capacitor, a second capacitor, a first resistor, a second resistor, a first diode, a second diode, and a first transistor;
the primary side of the transformer comprises a first primary winding and a second primary winding;
one end of the first capacitor, the second capacitor and one end of the first resistor which are connected in parallel are connected to one end of the first primary winding;
The other end of the first capacitor is grounded;
the other ends of the second capacitor and the first resistor which are connected in parallel are connected with the cathode of the first diode;
The anode of the first diode is connected with the other end of the first primary winding and the drain electrode of the first transistor;
The grid electrode of the first transistor is connected with the primary controller;
the source electrode of the first transistor is grounded;
one end of the second primary winding is connected with the anode of the second diode;
The cathode of the second diode is connected with one end of the second resistor;
the other end of the second resistor is connected with the primary controller.
3. The millimeter wave feedback based multiple output power converter of claim 2, further comprising a current sampling circuit;
The primary controller comprises a B/I, B/O detector, an over-power compensation circuit, a slope compensation circuit, a starting unit, a power manager, an adder, a first comparator, a driving signal manager, a decoder and a fault manager;
the input end of the B/I, B/O detector and the input end of the over-power compensation circuit are respectively connected with input voltages;
the output end of the B/I, B/O detector is connected with the input end of the fault manager;
The output end of the over-power compensation circuit and the output end of the slope compensation circuit are respectively connected to the input end of the adder;
The output end of the current sampling circuit is respectively connected to the input end of the adder and the input end of the fault manager;
the output end of the adder is connected to the input end of the first comparator;
the other end of the second resistor is connected to the input end of the starting unit and the input end of the fault manager respectively;
the other end of the starting unit is connected with the power manager;
The output end of the first comparator, one end of the decoder and the output end of the fault manager are respectively connected to the input end of the driving signal manager;
The output end of the driving signal manager is connected with the grid electrode of the first transistor;
the other end of the decoder is connected with the millimeter wave transceiver.
4. A millimeter wave feedback based multiple output power converter according to any of claims 1 to 3, wherein said output circuit comprises transistors;
The secondary side of the transformer includes a secondary winding;
The taps of the secondary winding are connected to the synchronous rectification detection and control circuit and the multi-output control circuit through corresponding transistors.
5. The millimeter wave feedback based multiple output power converter of claim 4, wherein said multiplexed output control circuit comprises a processor, a bypass regulator, a second comparator and a detector;
one end of the processor is connected with the millimeter wave transceiver;
the secondary side of the transformer comprises three secondary side windings, and four taps are formed in total;
the output circuit comprises a third diode, a fourth diode, a second transistor, a third transistor, a fourth transistor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor and a ninth resistor;
the first tap is connected with the anode of the fourth diode, and the cathode of the fourth diode is connected with the first input end of the bypass regulator;
The second tap is connected with the positive electrode of the third diode, and the negative electrode of the third diode is connected with the drain electrode of the second transistor;
The source electrode of the second transistor is connected with the second input end of the bypass regulator;
the grid electrode of the second transistor is connected to the processor through an inverter;
a third tap is connected with the drain electrode of the third diode;
a source electrode of the third transistor is connected with a third input end of the bypass regulator;
The gate of the third transistor is connected to the processor through another inverter;
A fourth tap is connected with the drain electrode of the fourth transistor and is respectively connected with the synchronous rectification detection and control circuit, the output end of the bypass regulator and one end of the detector through a third resistor;
The other end of the detector is connected to the processor;
the grid electrode of the fourth transistor is respectively connected to the synchronous rectification detection and control circuit and the output end of the second comparator;
the source electrode of the fourth transistor is respectively grounded and connected to the power output end of the bypass regulator through a third capacitor;
The negative electrode of the fourth diode and the source electrode of the fourth transistor are connected with the sixth capacitor;
The source electrode of the second transistor and the source electrode of the fourth transistor are connected with the fifth capacitor;
The source electrode of the third transistor and the source electrode of the fourth transistor are connected with the fourth capacitor;
The first output end of the processor is connected with the energy starting end of the second comparator;
A second output end of the processor is connected to a source electrode of the third transistor through a fourth resistor;
the third output end of the processor is connected to the source electrode of the second transistor through a fifth resistor;
The fourth output end of the processor is connected to the cathode of the fourth diode through a sixth resistor;
the second output end of the processor is grounded through a seventh resistor;
The third output end of the processor is grounded through an eighth resistor;
The fourth output end of the processor is grounded through a ninth resistor.
6. The millimeter wave feedback based multiple output power converter of claim 5, wherein the secondary side of said transformer comprises a secondary winding, together forming two taps;
Two taps correspond to the first tap and the fourth tap, respectively;
The first tap is also connected to the drain of the third transistor in place of the second tap;
the processor includes the second output terminal and the third output terminal;
the bypass regulator includes the first input and the second input.
7. The millimeter wave feedback based multiple output power converter of claim 5, wherein the secondary side of said transformer comprises two secondary windings, together forming three taps;
three taps correspond to the first tap, the third tap and the fourth tap, respectively;
The LED display device further comprises an LED controller, a fifth transistor and an LED string;
the second output end and the third output end of the processor are connected with the input end of the LED controller;
The first output end of the LED controller is respectively connected with one end of the LED string and the drain electrode of the fifth transistor;
the other end of the LED string is connected with the cathode of the fourth diode;
the second output end of the LED controller is connected with the grid electrode of the fifth transistor;
And a third output end of the LED controller is connected with the source electrode of the fifth transistor.
8. An electronic device comprising a millimeter wave feedback based multiple output power converter as claimed in any one of claims 1 to 7.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118646277A (en) * | 2024-08-15 | 2024-09-13 | 德氪微电子(深圳)有限公司 | Flyback power supply circuit and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140268966A1 (en) * | 2013-03-14 | 2014-09-18 | Ricoh Company, Limited | High-voltage inverter |
| CN108134505A (en) * | 2016-12-01 | 2018-06-08 | 电力集成公司 | For the controller of the single magnetic part converter of multi output with separately adjustable constant current and constant voltage output |
| CN114552998A (en) * | 2020-11-18 | 2022-05-27 | 电力集成公司 | Pulse sharing control for enhancing performance in multiple output power converter systems |
| CN117375378A (en) * | 2023-09-18 | 2024-01-09 | 北京士昌鼎科技有限公司 | Power supply circuit and charging equipment |
| CN220544989U (en) * | 2023-08-23 | 2024-02-27 | 德氪微电子(深圳)有限公司 | Circuit based on millimeter wave isolation and remote on-off |
| CN220822907U (en) * | 2023-08-23 | 2024-04-19 | 德氪微电子(深圳)有限公司 | Soft start power supply circuit based on millimeter wave isolation |
-
2024
- 2024-04-26 CN CN202410512730.3A patent/CN118100661B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140268966A1 (en) * | 2013-03-14 | 2014-09-18 | Ricoh Company, Limited | High-voltage inverter |
| CN108134505A (en) * | 2016-12-01 | 2018-06-08 | 电力集成公司 | For the controller of the single magnetic part converter of multi output with separately adjustable constant current and constant voltage output |
| CN114552998A (en) * | 2020-11-18 | 2022-05-27 | 电力集成公司 | Pulse sharing control for enhancing performance in multiple output power converter systems |
| CN220544989U (en) * | 2023-08-23 | 2024-02-27 | 德氪微电子(深圳)有限公司 | Circuit based on millimeter wave isolation and remote on-off |
| CN220822907U (en) * | 2023-08-23 | 2024-04-19 | 德氪微电子(深圳)有限公司 | Soft start power supply circuit based on millimeter wave isolation |
| CN117375378A (en) * | 2023-09-18 | 2024-01-09 | 北京士昌鼎科技有限公司 | Power supply circuit and charging equipment |
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| CN118646277A (en) * | 2024-08-15 | 2024-09-13 | 德氪微电子(深圳)有限公司 | Flyback power supply circuit and control method thereof |
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