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Monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency transmission functions

A monolithic integrated circuit, radio frequency transmission technology, applied in electrical components, record carriers used in machines, output power conversion devices, etc. The problem of high cost is to achieve zero static power consumption, simplify peripherals, and reduce costs.

Pending Publication Date: 2019-11-19
GUANGZHOU JINGLING ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application system composed of discrete rectification circuit and voltage stabilization circuit combined with digital coding and radio frequency transmission integrated circuit has high system cost, and the general voltage stabilization circuit lacks performance optimization and multi-mode support for weak energy harvesting applications

Method used

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  • Monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency transmission functions
  • Monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency transmission functions
  • Monolithic integrated circuit with micro-energy harvesting, digital encoding and radio frequency transmission functions

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Embodiment 1

[0030] This embodiment discloses as figure 1 A monolithic integrated circuit with micro-energy collection, digital coding and radio frequency emission is shown. The external energy device can generate AC or DC current under the drive of mechanical, light, heat, sound and other energy. The rectifier circuit charges the capacitor connected to the integrated circuit pin VIN, and then obtains a stable output DC voltage through the switching regulator circuit inside the integrated circuit. The integrated circuit pin SW is connected to the power inductor and filter capacitor of the switching voltage regulator circuit, which is fed back to the inside of the integrated circuit through the VOUT terminal, and VOUT outputs a stable DC voltage, and the voltage value can be set through the pins D0 and D1. After the output of the voltage stabilizing circuit reaches the set voltage, the subsequent encoding circuit generates digital codes according to the set parameters, and triggers the rad...

Embodiment 2

[0035] In this embodiment, the core of the integrated circuit involved is to integrate the micro energy harvesting circuit, digital encoding circuit and radio frequency transmitting circuit on the same integrated circuit, and carry out the low power consumption and high efficiency of the power supply system for the application of weak energy harvesting Design, optimize the coding mode and radio frequency transmission trigger mode for the short-distance wireless communication control system, and support multiple working modes. For the rectified and stabilized power supply system used for weak energy collection, the high-voltage BCD process is specially designed to make the circuit withstand voltage above 20V, allowing the use of small capacitors to rectify weak energy to higher voltages, reducing the energy wasted on capacitors. The overall efficiency of the power system is improved and the system cost is reduced.

[0036] This embodiment adopts a low-power system architecture ...

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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 functions. The monolithic integrated circuit comprises a micro-energy collection circuit, a digital coding circuit and a radio frequency emission circuit. A pin SW of the voltage stabilizing circuit is connected with the switch voltage stabilizing circuit, stable direct-current voltage is output after the voltage stabilizing circuit feeds back to the interior of the circuit through a VOUT end, and after the output of the voltage stabilizing circuit reaches set voltage, digital codes are generated through the encoding circuit, and the radio frequency transmitting circuit is triggered to transmit the digital codes. According to the invention, an energy collection circuit comprising a micro-energy rectification and voltage stabilization circuit and a digital coding and radio frequency emission circuit are integrated in the same integrated circuit by adopting a high-voltage integrated circuit process, and various application mode supports are provided, so that zero static power consumption is realized, the periphery of system application is simplified, the cost is reduced, and the reliability of the system is improved.

Description

technical field [0001] 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 technique [0002] Digital coding and radio frequency transmitting integrated circuits have a wide range of application markets, but traditional applications need to be powered by batteries, or by AC power that has been stepped down, rectified and regulated. With the increasing demand for green energy in the application market, it has gradually become a new application requirement to convert weak energy such as mechanical energy, light energy, heat energy, and sound energy into electrical energy, and provide power for digital coding and radio frequency transmission circuits after voltage stabilization. This requires the use of rectification circuits and voltage stabilization circuits for energy harvesting. Typical application systems such as Image 6 s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K19/07H02M1/00H04B1/04
CPCG06K19/0708G06K19/0711H02M1/00H04B1/04
Inventor 包文韬
Owner GUANGZHOU JINGLING ELECTRONICS