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Power Electronics

Copy of Bridge Rectifier - on Tue, 10/20/2020 - 12:16

zaqdh1997
Designer235959

zaqdh1997@gmail.com

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Copy of Bridge Rectifier - on Tue, 10/20/2020 - 00:15

zaqdh1997
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zaqdh1997@gmail.com

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Copy of Bridge Rectifier - on Mon, 10/19/2020 - 13:30

javier.cobian11
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javier.cobian11@gmail.com

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Copy of AC-DC Power Adapter - on Tue, 10/13/2020 - 22:05

aleadquisicion1
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aleadquisicion1@gmail.com

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Description

<p>This is a circuit design for a typical wall-plug power adapter.</p>

<p>The sinusoidal source represents a typical US 60 Hz, 120V AC wall supply.</p>

<p>A transformer steps the voltage down to a manageable range to be rectified for a 5V DC supply, but the waveform is still sinusoidal.</p>

<p>The 4 diode bridge rectifier takes this lower amplitude sinusoidal signal and produces a DC biased result, but still with noise resulting from the rectification process.</p>

<p>The capacitor before the voltage regulator chip helps smooth some of this noise. Then the regulator chip provides a self-contained, feedback controlled mechanism to keep the output voltage at the specified value.</p>

<p>The output capacitor further smooths any output ripple and provides a reservoir of charge to supply any surge in current load that may be encountered.</p>

<p>This example includes a load resistor that allows the exploration of the effects of load. The load is varied during the simulation and it can be seen that above a load of 100 mA, the regulation of the output voltage begins to deteriorate.</p>

<p>The addition of a few components can make it possible for such a circuit to provide significantly higher power loads. See http://www.systemvision.com/design/ac-dc-power-adapter-current-boost-regulator for an example.</p>

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Copy of AC-DC Power Adapter - on Thu, 10/08/2020 - 13:56

juan.mendozar
Designer235029

juan.mendozar@udem.edu

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Description

<p>This is a circuit design for a typical wall-plug power adapter.</p>

<p>The sinusoidal source represents a typical US 60 Hz, 120V AC wall supply.</p>

<p>A transformer steps the voltage down to a manageable range to be rectified for a 5V DC supply, but the waveform is still sinusoidal.</p>

<p>The 4 diode bridge rectifier takes this lower amplitude sinusoidal signal and produces a DC biased result, but still with noise resulting from the rectification process.</p>

<p>The capacitor before the voltage regulator chip helps smooth some of this noise. Then the regulator chip provides a self-contained, feedback controlled mechanism to keep the output voltage at the specified value.</p>

<p>The output capacitor further smooths any output ripple and provides a reservoir of charge to supply any surge in current load that may be encountered.</p>

<p>This example includes a load resistor that allows the exploration of the effects of load. The load is varied during the simulation and it can be seen that above a load of 100 mA, the regulation of the output voltage begins to deteriorate.</p>

<p>The addition of a few components can make it possible for such a circuit to provide significantly higher power loads. See http://www.systemvision.com/design/ac-dc-power-adapter-current-boost-regulator for an example.</p>

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omothman8
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omothman8@gmail.com

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Description

<p>This is a circuit design for a typical wall-plug power adapter.</p>

<p>The sinusoidal source represents a typical US 60 Hz, 120V AC wall supply.</p>

<p>A transformer steps the voltage down to a manageable range to be rectified for a 5V DC supply, but the waveform is still sinusoidal.</p>

<p>The 4 diode bridge rectifier takes this lower amplitude sinusoidal signal and produces a DC biased result, but still with noise resulting from the rectification process.</p>

<p>The capacitor before the voltage regulator chip helps smooth some of this noise. Then the regulator chip provides a self-contained, feedback controlled mechanism to keep the output voltage at the specified value.</p>

<p>The output capacitor further smooths any output ripple and provides a reservoir of charge to supply any surge in current load that may be encountered.</p>

<p>This example includes a load resistor that allows the exploration of the effects of load. The load is varied during the simulation and it can be seen that above a load of 100 mA, the regulation of the output voltage begins to deteriorate.</p>

<p>The addition of a few components can make it possible for such a circuit to provide significantly higher power loads. See http://www.systemvision.com/design/ac-dc-power-adapter-current-boost-regulator for an example.</p>

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Copy of AC-DC Power Adapter - on Thu, 09/03/2020 - 08:26

omothman8
Designer234525

omothman8@gmail.com

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Description

<p>This is a circuit design for a typical wall-plug power adapter.</p>

<p>The sinusoidal source represents a typical US 60 Hz, 120V AC wall supply.</p>

<p>A transformer steps the voltage down to a manageable range to be rectified for a 5V DC supply, but the waveform is still sinusoidal.</p>

<p>The 4 diode bridge rectifier takes this lower amplitude sinusoidal signal and produces a DC biased result, but still with noise resulting from the rectification process.</p>

<p>The capacitor before the voltage regulator chip helps smooth some of this noise. Then the regulator chip provides a self-contained, feedback controlled mechanism to keep the output voltage at the specified value.</p>

<p>The output capacitor further smooths any output ripple and provides a reservoir of charge to supply any surge in current load that may be encountered.</p>

<p>This example includes a load resistor that allows the exploration of the effects of load. The load is varied during the simulation and it can be seen that above a load of 100 mA, the regulation of the output voltage begins to deteriorate.</p>

<p>The addition of a few components can make it possible for such a circuit to provide significantly higher power loads. See http://www.systemvision.com/design/ac-dc-power-adapter-current-boost-regulator for an example.</p>

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Copy of Bridge Rectifier - on Sun, 08/16/2020 - 10:08

zakiabas62
Designer233941

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4 years 1 month

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Copy of AC-DC Power Adapter

guilherme.martins
Designer233886

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guilherme.martins

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4 years 1 month

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Description

<p><font><font>Este é um projeto de circuito para um adaptador de alimentação de parede típico.</font></font></p>

<p><font><font>A fonte sinusoidal representa uma alimentação de parede típica US 60 Hz, 120 V CA.</font></font></p>

<p><font><font>Um transformador reduz a tensão para uma faixa gerenciável a ser retificada para uma fonte de 5 Vcc, mas a forma de onda ainda é senoidal.</font></font></p>

<p><font><font>O retificador de ponte de 4 diodos recebe esse sinal senoidal de amplitude inferior e produz um resultado polarizado CC, mas ainda com ruído resultante do processo de retificação.</font></font></p>

<p><font><font>O capacitor antes do chip regulador de tensão ajuda a suavizar parte desse ruído. </font><font>Então, o chip regulador fornece um mecanismo autônomo controlado por feedback para manter a tensão de saída no valor especificado.</font></font></p>

<p><font><font>O capacitor de saída suaviza ainda mais qualquer ondulação de saída e fornece um reservatório de carga para fornecer qualquer surto de carga de corrente que possa ser encontrado.</font></font></p>

<p><font><font>Este exemplo inclui um resistor de carga que permite a exploração dos efeitos da carga. </font><font>A carga é variada durante a simulação e pode-se observar que acima de uma carga de 100 mA a regulação da tensão de saída começa a se deteriorar.</font></font></p>

<p><font><font>A adição de alguns componentes pode tornar possível que tal circuito forneça cargas de energia significativamente maiores. </font><font>Consulte http://www.systemvision.com/design/ac-dc-power-adapter-current-boost-regulator para obter um exemplo.</font></font></p>

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Copy of Bridge Rectifier - on Thu, 08/06/2020 - 09:43

camarasu_ionut
Designer233698

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camarasu_ionut

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4 years 1 month

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