voltage driver 中文意思是什麼
voltage driver
解釋
分壓器-
A white led driver circuit is presented in this paper. the circuit drives up to four white leds with regulated constant current for uniform intensity. by utilizing proprietary adaptive 1x / 1. 5x modes and ultra - low - dropout current regulators, it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range
整體電路以恆定電流驅動4隻白光led ，利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節器，在整個鋰電池供電電壓范圍內保持最高的效率，並使四個白光led獲得均勻的亮度。 -
In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中，作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。 -
Low voltage driver and low current consumption
擁有低電壓驅動，低電流消耗的特性 -
There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。 -
The driver has the quiescent current under 1 a and also has soft - start circuitry to limit inrush current flow at power up. the chip can be operated normally in the temperature range of - 40 to 85 according to the simulation results. the brightness of the white leds can be controlled by using a dc voltage or a pwm signal applied to the pin with a few external components added
系統採用0 . 5 mcmos工藝;輸入電壓范圍為2 . 7v到5 . 5v ;在關閉狀態下消耗電流小於1 a ;具有軟啟動功能，可減小啟動過程中的浪涌電流;具有短路及過熱保護功能，工作溫度范圍為- 40至85 ; led亮度控制可以通過外加dc或pwm電壓信號和很少的外部元件實現。 -
Then, the optical system and mechnical configuration of the interferometer are realized, which are based on phase detection algorithms and four - step algorithm. in the following work, we designed and realized a dc high voltage amplification circuit by mcu, which is used to driver pzt, and presented a new method to measure the nonlinearity of pzt
設計並完成了精密移相的單片機控制用於壓電晶體驅動的高壓放大電路，並且提出了一種新穎的對工作狀態下壓電晶體非線性軟體校正的新方法，並得到了很好的實驗結果。 -
Subcircuit models are designed and simulated, which includes bias current source, voltage reference, error amplifier, pwm comparator, driver circuit, protection circuits for over - temperature, over - current. at last, combined with periphery component, the circuit is simulated, and the result meets the anticipant requirement
並對集成電路內的各個模塊包括電流偏置電路、基準電壓電路、誤差放大電路、三角波振蕩發生電路、 pwm比較電路、驅動電路、過熱保護電路和過流保護等進行了具體的設計和模擬，並對整體應用電路進行了模擬，結果均達到了預先設定的指標。 -
For saving driver ics ' power consumption and cost, this research proposes a novel display pixel design with integrated charge pump circuits. the proposed display pixel design can supply driving voltage more than double the input voltage to display pixels. there are two advantages for this developed novel pixel design. first, the power consumption of the panels with the proposed novel pixels can be reduced due to the lower voltage on data lines. second, the high voltage driver ics are not necessary, such that the cost and power consumption of the corresponding driving systems can be diminished. from the simulation results, the pixel voltage indeed could raise to more than double input voltage by this proposed design. in addition, the pixels with charge pump circuits also retrench about half power consumption than the conventional display pixels
為了節省面板電路驅動晶元的功率損耗以及製作成本，本研究提出一種新的像素電路設計，而在設計中將會融合電荷泵電路.利用這種電路設計的像素可有效地將像素電極上的驅動電壓提高到輸入電壓的2 3倍以上.此像素電路設計具有兩個優勢:第一，可以有效降低顯示面板的像素功率損耗;第二，不需高電壓的面板電路驅動晶元，因此可節省晶元的成本及功率損耗.由模擬結果可知，像素電極上的驅動電壓確實可由此像素電路設計而提高到輸入電壓的2 3倍以上;而像素的功率損耗也可有效地降低，約為傳統像素的1 / 2 -
The charge pump automatically switches between 1x / 1. 5x modes based on the input voltage, to maintain correct output levels at a high power efficiency. the led driver regulates the current of leds to a value configured by the outside control signal. the four led output channels are current matched for consistent led brightness
電荷泵電路的功能是根據輸入電壓自動選擇1 . 5x或者1x電荷泵工作模式並輸出相應電壓信號，有較高的功率轉換效率;電流控制電路的功能是實現幾個並聯led通道的電流匹配並根據外加輸入信號控制led電流的大小。 -
The motor driver section uses four n - channel high voltage mosfet
電壓驅動部分是利用四組大功率高壓mosfet 。 -
An auto - adjustable charge pump embodied in a white led driver has been taped - out successfully using a 0. 5 m cmos process. it can provide more than 80ma output current in the wide input voltage range from 2. 7v to 5. 5v
此電荷泵晶元採用0 . 5 mcmos工藝;輸入電壓范圍為2 . 7 5 . 5v ;可以提供大於80ma的輸出電流，同時驅動四顆白光led ;並且此晶元具有根據輸入電壓自動選擇工作模式的功能。 -
The electrical - controlled appliance is the core part of the machine for body functional rehabilitation, the single slice microcomputer ' s function is data processing and controlling, the power supply provides work voltage to the single slice microcomputer and other parts, keyboard inputs data, liquid crystal display shows data of motion and data which establish at first, motor ' s driver drive motor by control - signal
肢體運動康復機的核心部分是電控裝置，單片機起數據處理及控制等作用，電源部分提供給單片機及其他部件工作電壓，鍵盤提供輸入數據，顯示器顯示運動數據及預設數據，電機驅動部分通過控制信號來驅動電機工作。 -
In addition, according to the need of sampling of voltage and reactive - power control system in windows 98 / 2000, the method of using windows driver model is presented to realize the sampling of the voltage and the current, and the program of windows driver model is provided in this thesis
另外，文中還分析了電壓無功控制系統中采樣的要求，根據windows環境下實現高頻率采樣系統的要求，提出了利用wdm實現電壓無功控制系統中的電壓電流采樣的方法，並給出了wdm驅動程序的實現。 -
It adopts low voltage scan driver, having
它採用低電壓掃描驅動，具有： -
With forward voltage of white led lower and lower, the efficiency of traditional charge pump driver is lower and lower, too. the new auto - adjustable charge pump can keep the charge pump working in high efficient 1x mode as long as possible
根據負載led的正向壓降和輸入電壓選擇工作模式，可以讓驅動器最大限度地工作在高效率的1x模式下，有效地提高了驅動器的led效率。 -
The driver adopted the technique of automatic power changing between high and low voltage and the driving mode of constant current cutting wave, so that the low - frequency vibration of the stepping motor was reduced and the high - frequency torque was increased
該驅動器採用高、低壓電源自動切換供電技術和恆流斬波驅動方式，降低了步進電動機的低頻振蕩，提高了步進電動機的高頻力矩。 -
These illuminate that voltage vector control of a low power tow phase inverter - fed induction motor driver as a pulse width modulation control of a two - phase inverter - fed induction motor driver system can effectively cancelled the low harmonic and improve the system performance
相對于方波等其它供電方式的控制，採用電壓空間矢量技術在小功率兩相異步電動機的變頻調速控制上的應用可使轉矩脈動減少，效率提高，具有一定的經濟性和實用性。 -
The most important point is that it can change work mode between 1x and 1. 5x at fixed input voltage value to improve led efficiency in the application of led driver
這種根據輸入電壓選擇工作模式的方式，在驅動白光led的應用中，提高了驅動器的led效率。 -
A high voltage half bridge driver with built in oscillator is discussed in this paper
本文討論了一種熒光燈用電子鎮流器控制驅動晶元。
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