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Data transmitter having direct-current power function and data sending method

A technology of data transmitter and DC power supply, which is applied in the direction of conversion equipment, electrical components, and electronic switches without intermediate conversion to AC, which can solve the problems of slow speed of lossless data transmitter and unstable DC power supply.

Active Publication Date: 2016-10-19
SILICON STAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a data transmitter and a data transmission method with a DC power supply function, which can solve the problems of the slow speed of the lossless data transmitter and the instability of the DC power supply

Method used

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  • Data transmitter having direct-current power function and data sending method
  • Data transmitter having direct-current power function and data sending method
  • Data transmitter having direct-current power function and data sending method

Examples

Experimental program
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Effect test

Embodiment 1

[0080] Please refer to figure 1 and figure 2 , in this embodiment, a data transmitter with a DC power supply function is proposed, including:

[0081] Power supply, inductance L, load capacitance C L and multiple equivalent capacitances, the load capacitance C L and the negative terminals of the equivalent capacitors are all grounded. In this embodiment, for the convenience of introduction, the number of equivalent capacitors is 2, which are respectively the first equivalent capacitor C 0 and the second equivalent capacitance C 1 , two equivalent capacitors can transmit two bits of data to be sent Din, in other embodiments other than this embodiment, the number of equivalent capacitors is determined according to the number of bits of data to be sent; In the function of the power supply, the input of electric energy is the power supply, and the DC power supply is output at the VDC point, and the load capacitance C L to maintain;

[0082] The inductance charging circuit i...

Embodiment 2

[0132] In this embodiment, the data transmitter with the DC power supply function is the same as the first embodiment, and will not be described in detail. The difference is the way of sending data, please refer to Figure 17 , in this embodiment, the two equivalent capacitors jump in reverse at the same time, and the equivalent capacitors of the two drivers are equal, that is, the first equivalent capacitor C 0 and the second equivalent capacitance C 1 equal load, C 0 =C 1 . In the following, the data transmitter with DC power supply function is started, the data to be sent is Din from 10->01->10, the transmitter is turned off, and the process of energy recovery is used to illustrate the working conditions of each stage.

[0133] T1 stage: The starting point of the T1 stage is the transition of the enable signal EN from 0 to 1, and the end point of the T1 stage is the inductor current I L is charged to the preset current value I 1 . The function completed in ...

Embodiment 3

[0143] In this embodiment, the data transmitter with the DC power supply function is the same as the first embodiment, and will not be described in detail. The difference is the way of sending data, please refer to Figure 18 , in this embodiment, the two equivalent capacitors jump in reverse at the same time, but the equivalent capacitors of the two drivers are not equal, that is, the first equivalent capacitor C 0 and the second equivalent capacitance C 1 Loads vary, e.g. C 0 >C 1 . In the following, the data transmitter with DC power supply function is started, the data to be sent is Din from 10->01->10, the transmitter is turned off, and the process of energy recovery is used to illustrate the working conditions of each stage.

[0144] Wherein, both the T1 stage and the T2 stage are the same as those in the second embodiment, for details, reference may be made to the foregoing embodiments, and details are not repeated here.

[0145] T3 stage: The starting po...

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Abstract

The invention puts forward a data transmitter having a direct-current power function and a data sending method. Data transmission is carried out by driving a plurality of equivalent capacitors by using an inductor or driving each other among a plurality of equivalent capacitors; heavy currents in the inductor are kept and a control switch is switched by a control circuit to switch a current direction; the multiple equivalent capacitors are charged or discharged by using the heavy currents in the inductor, so that objectives of high-speed lossless equivalent capacitor driving and rapid data sending are achieved. Meanwhile, the heavy currents in the inductor are used for charging a load capacitor at the data sending interval, so that stability of the direct-current output voltage is kept.

Description

technical field [0001] The invention relates to the field of data transmission, in particular to a data transmitter with a DC power supply function and a data transmission method. Background technique [0002] With the increasing demand for energy saving, the lossless driving of capacitive loads has been continuously developed. As a data transmitter, capacitive loads are driven in many occasions. In order to drive capacitive loads without loss, LC oscillation is generally used to achieve. [0003] In the prior art, one oscillation of LC (inductance-equivalent capacitance) is usually used to drive the equivalent capacitance to a high level and maintain it in a low-impedance high-level state, and then an LC oscillation is used to recover all the energy on the equivalent capacitance And maintain a low-impedance low-level state. Although this method solves the problem of low efficiency of the conventional method, it still has problems such as slow driving speed, low efficiency...

Claims

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Application Information

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IPC IPC(8): H03K17/94H02M3/07
Inventor 陈锋
Owner SILICON STAR TECH
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