CN110472717B - Monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency emission - Google Patents
Monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency emission Download PDFInfo
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- CN110472717B CN110472717B CN201910890774.9A CN201910890774A CN110472717B CN 110472717 B CN110472717 B CN 110472717B CN 201910890774 A CN201910890774 A CN 201910890774A CN 110472717 B CN110472717 B CN 110472717B
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- 238000003306 harvesting Methods 0.000 title claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000006641 stabilisation Effects 0.000 claims description 6
- 238000011105 stabilization Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000001960 triggered effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
- G06K19/0708—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
- G06K19/0711—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being mechanical or acoustical
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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
- H02M1/00—Details of apparatus for conversion
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- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
Abstract
The invention relates to the technical field of integrated circuits, in particular to a monolithic integrated circuit with micro energy collection, digital coding and radio frequency emission; the monolithic integrated circuit comprises a micro-energy collecting circuit, a digital coding circuit and a radio frequency transmitting circuit, wherein a pin SW of the monolithic integrated circuit is connected with a switching voltage stabilizing circuit, and outputs stable direct-current voltage after being fed back into the circuit through a VOUT end, and after the output of the voltage stabilizing circuit reaches a set voltage, the digital coding circuit generates digital codes and triggers the radio frequency transmitting circuit to transmit; the invention integrates the energy collection circuit, the digital code and the radio frequency emission circuit containing the micro-energy rectification and voltage stabilizing circuit into the same integrated circuit by adopting the high-voltage integrated circuit technology, provides a plurality of application mode supports, realizes zero static power consumption, simplifies the application periphery of the system, reduces the cost and improves the reliability of the system.
Description
Technical Field
The invention relates to the technical field of integrated circuits, in particular to a monolithic integrated circuit with micro energy collection, digital coding and radio frequency emission.
Background
Digital coding and radio frequency transmission integrated circuits have wide application markets, but traditional applications need to be powered by batteries or by alternating current subjected to voltage reduction, rectification and voltage stabilization. Along with the increase of the demand of the application market for green energy, weak energy such as mechanical energy, light energy, heat energy, acoustic energy and the like is converted into electric energy, and the new application demand is gradually formed by digital coding and power supply of a radio frequency transmitting circuit after voltage stabilization treatment. This requires the use of a rectifier circuit and a voltage regulator circuit for energy harvesting, a typical application system being shown in fig. 6. The application system formed by combining the digital coding and the radio frequency emission integrated circuit adopts a discrete rectifying circuit and a voltage stabilizing circuit, the system cost is higher, and the universal voltage stabilizing circuit lacks performance optimization and multi-mode support for weak energy collection application.
Aiming at the application requirement, the micro-energy collecting circuit, the digital code and the radio frequency transmitting circuit are integrated on the same integrated circuit by adopting the high-voltage BCD integrated circuit process, so that the system application is simplified, the application cost is reduced, the low-power consumption and low-cost optimal design is carried out for weak energy collecting application, the unique design is carried out for the coding mode and the radio frequency transmitting control mode aiming at the low-power consumption application environment, the performance of the system is improved, and the application range of the integrated system is expanded.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a monolithic integrated circuit with micro energy collection, digital coding and radio frequency emission, which is used for solving the problems that in the prior art, a discrete rectifying circuit and a voltage stabilizing circuit are adopted for energy collection, an application system is formed by combining the digital coding and the radio frequency emission integrated circuit, the system cost is high, and a universal voltage stabilizing circuit lacks performance optimization and multi-mode support for weak energy collection application.
The invention is realized by the following technical scheme:
a monolithic integrated circuit with micro energy collection, digital coding and radio frequency emission comprises a micro energy collection circuit, a digital coding circuit and a radio frequency emission circuit, wherein a pin SW of the monolithic integrated circuit is connected with a switch voltage stabilizing circuit, a standard 1527 coding format or a custom coding format is set in a programming mode, a VOUT end is utilized to feed back the internal part of the circuit and then stable direct current voltage is output, after the voltage stabilizing circuit outputs to reach a set voltage, the digital coding is generated through the coding circuit, and the radio frequency emission circuit is triggered to emit.
Furthermore, the monolithic integrated circuit is connected with alternating current or direct current, the rectifying circuit charges a capacitor connected to a pin VIN of the integrated circuit, and stable output direct current voltage is obtained through the switching voltage stabilizing circuit; the pin SW of the monolithic integrated circuit is connected with the power inductor and the filter capacitor of the switching voltage stabilizing circuit, voltage values are set through pins D0 and D1, and the voltage values are fed back into the circuit by the VOUT end, so that the VOUT outputs stable direct current voltage.
Furthermore, the monolithic integrated circuit is provided with a working mode control pin PEN, MODE, DS and a KEN, and if the control pin is not packaged, the setting function is finished in the modes of internal routing, programming, electric fuse and laser fuse of the monolithic integrated circuit.
Furthermore, when the PEN is 0, the micro energy collection circuit does not distinguish the polarity and the times of input pulses of pins P1 and P2, and the VOUT output reaches a set value to trigger the subsequent circuit to work;
when PEN is 1, the micro energy collecting circuit identifies the polarity and the times of input pulses of pins P1 and P2, positive and negative pulses are respectively generated once, and the output of VOUT reaches a set value to trigger the subsequent circuit to work.
Further, when the MODE is 0, the monolithic integrated circuit generates a set of digital codes at the first pulse of the pin P1 or P2, triggers the subsequent circuit to operate after the VOUT output reaches the set value, generates a different set of digital codes at the second pulse of the pin P1 or P2, and triggers the subsequent circuit to operate after the VOUT output reaches the set value.
Further, when DS is 0, the monolithic integrated circuit adopts an internal digital coding circuit to generate a digital code;
when DS is 1, the monolithic integrated circuit supplies power to the external coding circuit through a pin VOUT, and when the output of VOUT reaches a set value, a high-level indication signal PG is given, and a digital code generated by the external coding circuit is sent back to the inside of the monolithic integrated circuit through a pin DATA for radio frequency emission.
Furthermore, when the KEN is 0, the monolithic integrated circuit automatically performs radio frequency transmission according to the encoded data after the energy collection meets the voltage condition;
when KEN is 1, the monolithic integrated circuit does not directly emit after energy collection meets the voltage condition, and performs radio frequency emission when any key value in the external key K0KN is waited to be high level.
Further, the custom encoding format includes Bit0 and Bit1 definitions, the Bit0 being defined by a "0" of one clock cycle and a "1" of one clock cycle "
The Bit1 is composed of '0' of two clock cycles and '1' of one clock cycle. The same data is transmitted, the custom coding length is shorter than the standard 1527 coding format, the consumption is reduced when the OOK modulation is transmitted, and the OOK modulation method is applied to a low-power consumption short-distance wireless control system.
Furthermore, the radio frequency transmitting circuit supports the voltage direct triggering transmitting mode after internal rectification and voltage stabilization, supports the external key triggering transmitting mode, the coding circuit can generate different data codes according to different keys, and supports the data triggering transmitting of the external coding circuit, the monolithic integrated circuit directly triggers the subsequent circuit to work by the indication signal PG after energy is stabilized by the switch voltage stabilizing circuit and VOUT reaches stable output voltage, or continues waiting for key signals, and triggers the subsequent circuit to work after any key from K0 to KN is high level.
The beneficial effects of the invention are as follows:
the invention integrates the micro-energy collection circuit, the digital code and the radio frequency emission circuit containing the rectification and voltage stabilizing circuit into the same integrated circuit by adopting the high-voltage integrated circuit technology, provides a plurality of application mode supports, realizes zero static power consumption, simplifies the application periphery of the system, reduces the cost and improves the reliability of the system.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of an integrated circuit of the present invention;
FIG. 2 is a diagram of an automated radio frequency transmission application without external keys for an integrated circuit of the present invention;
FIG. 3 is a diagram of a controlled emission application of the integrated circuit of the present invention controlled by external keys;
FIG. 4 is a diagram of an application of the integrated circuit of the present invention employing an external coding circuit;
FIG. 5 is a schematic diagram of a custom encoding format employed by the integrated circuit of the present invention;
fig. 6 is a schematic diagram of an application requiring energy harvesting circuitry, digital encoding and radio frequency transmission circuitry.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment discloses a monolithic integrated circuit with micro energy collection, digital coding and radio frequency emission as shown in fig. 1, wherein an external energy device can generate alternating current or direct current under the drive of mechanical, optical, thermal, acoustic and other energy, a capacitor connected to a pin VIN of the integrated circuit is charged through a rectifying circuit integrated in the integrated circuit, and then a stable output direct current voltage is obtained through a switching voltage stabilizing circuit in the integrated circuit. The integrated circuit pin SW is connected with a power inductor and a filter capacitor of the switching voltage stabilizing circuit, and is fed back to the inside of the integrated circuit through the VOUT end, the VOUT outputs stable direct current voltage, and the voltage value can be set through pins D0 and D1. After the output of the voltage stabilizing circuit reaches the set voltage, the subsequent coding circuit generates digital codes according to the set parameters and triggers the radio frequency transmitting circuit to transmit through the pin PAOUT by an external antenna.
The integrated circuit provides working MODE control pins PEN, MODE, DS and KEN, and if the setting pins are not packaged, the setting functions can be finished in the MODEs of internal wire bonding, programming, electric fuse and laser fuse. When PEN is 0, the micro energy collection circuit does not distinguish the input pulse times of pins P1 and P2, and the VOUT output reaches a set value to trigger the subsequent circuit to work; when PEN is 1, the micro-energy collecting circuit needs to identify the polarity and the times of input pulses of pins P1 and P2, positive and negative pulses are respectively generated once, and the output of VOUT reaches a set value to trigger the subsequent circuit to work. When MODE is 0, the integrated circuit generates a group of digital codes at the first pulse of the pin P1 or P2, triggers the subsequent circuit to work after the output of VOUT reaches a set value, generates a different group of digital codes at the second pulse of the pin P1 or P2, and triggers the subsequent circuit to work after the output of VOUT reaches the set value. When DS is 0, the integrated circuit adopts an internal digital coding circuit to generate a digital code; when DS is 1, the integrated circuit gives out a high-level indication signal PG when the output of VOUT reaches a set value, and the external coding circuit generates a digital code which is sent back to the inside of the integrated circuit through a pin DATA for radio frequency transmission. When KEN is 0, the monolithic integrated circuit automatically performs radio frequency emission according to the encoded data after energy collection meets a certain voltage condition; when KEN is 1, the monolithic integrated circuit does not directly transmit after energy collection meets a certain voltage condition, but waits for any key value in the external keys K0-K3 to be high level to transmit radio frequency. The remaining parameters of the integrated circuit are set by the program.
According to the integrated circuit scheme provided by the embodiment, after weak energy is rectified and stabilized by the micro energy collecting circuit and VOUT reaches stable output voltage, a subsequent circuit can be directly triggered to work by the indication signal PG, and the application is shown in the figure 2; and the subsequent circuit operation can be triggered after the key signals are continuously waited and any key from K0 to KN is at a high level, the application diagram is shown in the figure 3, and the application range of the integrated circuit is widened by the operation mode. Fig. 4 is an application diagram of the external coding circuit adopted by the integrated circuit, the external coding circuit is powered by the integrated circuit through the pin VOUT, when the PG signal becomes high, the external coding circuit is triggered to work, and the digital code is serially input into the integrated circuit through the pin DATA, and the radio frequency transmitting circuit is triggered to transmit.
The integrated circuit provided in this embodiment may set the internal coding format by changing the mode, and provide two coding formats of standard 1527 codes and custom codes, wherein the specific definition of Bit0 and Bit1 in the custom coding format is shown in fig. 5, bit0 is composed of "0" of one clock cycle and "1" of one clock cycle, and Bit1 is composed of "0" of two clock cycles and "1" of one clock cycle. The same data is transmitted, the custom coding length is shorter, the energy consumed in OOK modulation transmission is less, and the method is more suitable for a low-power consumption short-distance wireless control system.
Example 2
In this embodiment, the core of the integrated circuit is that the micro energy collecting circuit, the digital coding circuit and the radio frequency transmitting circuit are integrated on the same integrated circuit, the low power consumption and high efficiency design of the power supply system is performed for weak energy collecting application, the coding mode and the radio frequency transmitting triggering mode are optimally designed for the short-distance wireless communication control system, and multiple working modes are supported. Aiming at the rectification stabilized power supply system for weak energy collection, the high-voltage BCD technology is specially adopted for design, so that the withstand voltage of a circuit reaches more than 20V, weak energy is allowed to be rectified to higher voltage by adopting a small capacitor, the energy wasted on the capacitor is reduced, the overall efficiency of the power supply system is improved, and the system cost is reduced.
The embodiment adopts a low-power-consumption system architecture and a circuit structure, and performs parameter optimization, so that the quiescent current during the system operation is reduced to mu A level, and the integrated circuit is particularly suitable for weak energy collection. In order to improve the rectification efficiency, the integrated circuit outputs an enabling signal after supporting positive and negative pulse rectification, and the integrated circuit is combined with the operation of triggering a subsequent circuit after judging whether the output voltage meets a set value or not, so that the integrated circuit is particularly suitable for being applied to a mechanical power generation device with a rebound stroke, and the function allows the use of a smaller power generation device, and effectively reduces the system cost. The coding circuit in the integrated circuit has two coding formats, namely a traditional 1527 coding format and a custom coding format, has shorter coding length and better anti-interference capability, and is more suitable for a low-power consumption short-distance wireless control system as shown in figure 5. The coding circuit is combined with the micro energy collecting circuit to also support the same coding generated after two pulses and also support different coding generated after each pulse, thereby expanding the application range of the system. The radio frequency transmitting circuit supports the direct triggering transmitting mode of the voltage after internal rectification and voltage stabilization, also supports the triggering transmitting mode of the external key, and the coding circuit can generate different data codes according to different keys, also supports the data triggering transmitting of the external coding circuit, and further expands the application range of the integrated circuit.
Parameters and indexes of each module in the integrated circuit of the embodiment can be set and adjusted in a programmable manner according to the actual application requirements. These parameters and indices mainly include: a single or twice pulse rectification voltage stabilization working mode of the micro energy collection circuit; the input voltage range, output voltage, overvoltage and undervoltage protection voltage of the voltage stabilizing circuit; coding mode of the coding circuit, coding length, data rate, single pulse or double pulse coding mode, internal or external coding mode and the like; internal data or external data enabling modes of the radio frequency transmitting circuit, rectifying voltage triggering transmitting or external key triggering transmitting modes, transmitting frequency, transmitting power and the like.
The embodiment realizes monolithic integration of the energy collection circuit, the digital coding circuit and the radio frequency transmitting circuit, and the architecture thought, the working mode and the control relation among all functional modules in the related integrated circuit are the main body of the patent. The differences in the specific implementation of the integrated modules, the changes in the parameter indexes and the differences in the peripheral parameters cannot be taken as reasons for violating the patent application.
The invention integrates the energy collection circuit, the digital code and the radio frequency emission circuit containing the rectifying and voltage stabilizing circuit into the same integrated circuit by adopting the high-voltage integrated circuit technology, provides a plurality of application mode supports, realizes zero static power consumption, simplifies the application periphery of the system, reduces the cost and improves the reliability of the system.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The monolithic integrated circuit is characterized by comprising a micro-energy collecting circuit, a digital coding circuit and a radio frequency transmitting circuit, wherein a pin SW of the monolithic integrated circuit is connected with a switch voltage stabilizing circuit, a standard 1527 coding format or a custom coding format is set in a programming mode, a VOUT end is utilized to feed back the inside of the circuit and then stable direct current voltage is output, after the voltage stabilizing circuit output reaches a set voltage, the digital coding circuit is utilized to generate digital codes and trigger the radio frequency transmitting circuit to transmit, the monolithic integrated circuit is connected with alternating current or direct current, a rectifying circuit charges a capacitor connected to a pin VIN of the integrated circuit, and the switch voltage stabilizing circuit obtains stable output direct current voltage.
2. The monolithic integrated circuit with micro energy collection, digital coding and radio frequency emission according to claim 1, wherein the pin SW of the monolithic integrated circuit is connected with a power inductor and a filter capacitor of the switching regulator circuit, voltage values are set through pins D0 and D1, and VOUT end feedback is used to feed back to the circuit interior, so that VOUT outputs a stable dc voltage.
3. The monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency emission of claim 1, wherein the monolithic integrated circuit sets the operational mode control pins PEN, MODE, DS and KEN, and if the control pins are not packaged, the setting function is performed by internal wiring, programming, electrical fuses and laser fuses of the monolithic integrated circuit.
4. The monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency transmission of claim 3, wherein when PEN is 0, the micro-energy harvesting circuit does not distinguish between the polarity and number of input pulses at pins P1 and P2, VOUT output reaches a set value to trigger the operation of the subsequent circuit;
when PEN is 1, the micro energy collecting circuit identifies the polarity and the times of input pulses of pins P1 and P2, positive and negative pulses are respectively generated once, and the output of VOUT reaches a set value to trigger the subsequent circuit to work.
5. The integrated monolithic circuit with micro-energy harvesting, digital encoding, and radio frequency emission of claim 3, wherein when MODE is 0, the integrated monolithic circuit generates a set of digital codes at a first pulse at pin P1 or P2 and triggers subsequent circuit operation after VOUT output reaches a set value, and generates a different set of digital codes at a second pulse at pin P1 or P2 and triggers subsequent circuit operation after VOUT output reaches a set value.
6. The monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency transmission of claim 3, wherein when DS is 0, the monolithic integrated circuit generates a digital code using an internal digital encoding circuit;
when DS is 1, the monolithic integrated circuit supplies power to the external coding circuit through a pin VOUT, and when the output of VOUT reaches a set value, a high-level indication signal PG is given, and a digital code generated by the external coding circuit is sent back to the inside of the monolithic integrated circuit through a pin DATA for radio frequency emission.
7. The monolithic integrated circuit with micro energy harvesting, digital encoding and radio frequency transmission of claim 3, wherein when the KEN is 0, the monolithic integrated circuit automatically performs radio frequency transmission according to the encoded data after the energy harvesting satisfies the voltage condition;
when KEN is 1, the monolithic integrated circuit does not directly emit after energy collection meets the voltage condition, and performs radio frequency emission when any key value in the external keys K0-KN is waited to be high level.
8. The monolithic integrated circuit with micro energy harvesting, digital encoding and radio frequency transmission according to claim 1, wherein the custom encoding format comprises Bit0 and Bit1 definition, the Bit0 is composed of a "0" of one clock cycle and a "1" of one clock cycle, the Bit1 is composed of a "0" of two clock cycles and a "1" of one clock cycle, the same data is transmitted, the custom encoding length is shorter than the standard 1527 encoding format, the consumption is reduced when the OOK modulation is transmitted, and the monolithic integrated circuit is applied to a low power consumption short distance wireless control system.
9. The monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency transmission of claim 1, wherein the radio frequency transmission circuit supports a voltage direct trigger transmission mode after internal rectification and voltage stabilization, supports an external key trigger transmission mode, and the encoding circuit can generate different data codes according to different keys and supports data trigger transmission by the external encoding circuit entirely.
10. The monolithic integrated circuit with micro energy collection, digital coding and radio frequency emission according to any one of claims 1-9, wherein the monolithic integrated circuit directly triggers the subsequent circuit to operate by the indication signal PG after the energy is stabilized by the switching voltage stabilizing circuit and VOUT reaches the stabilized output voltage, or continues waiting for the key signal and triggers the subsequent circuit to operate after any key from K0 to KN is at high level.
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| CN109766980A (en) * | 2019-01-17 | 2019-05-17 | 卓捷创芯科技（深圳）有限公司 | A kind of circuit and method improving the passive radio-frequency identification labeled collection of energy of temperature sensor |
| CN210199800U (en) * | 2019-09-20 | 2020-03-27 | 广州市晶凌电子有限公司 | Monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency transmission |
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| CN110472717A (en) | 2019-11-19 |
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