PFC PWM combo solution for high efficiency PC power
#PFC
#PWM
#high efficiency
#PC power supply
#switching
#voltage regulation
#energy efficiency
#power management
#circuit design
#electronics
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Voltage Controlled PWM Generator
Circuits that generate PWM pulses typically translate a resistor value into a change in duty cycle. While this method is convenient, there are instances where a voltage-controlled PWM generator is required. Although microcontrollers can produce a variety of PWM signals,...
pwm Why is the MOSFET driver in this circuit dying
The circuit receives an input voltage (Vin), which is processed through a Switch Mode Power Supply (SMPS) utilizing two MOSFETs driven by an IR2104 driver. The output is directed to the battery positive terminal (Bat+). An LM321 operates as a...
PWM Control Dimming Halogen Lamp
The PWM control dimming circuit for a halogen lamp is illustrated. The halogen lamp operates at a rated voltage of 12V with a nominal power of 20W. This dimmer circuit is capable of adjusting the intensity of the halogen lamp...
Motor Speed Control Using PWM
Pulse width modulation, commonly referred to as PWM, is utilized to regulate the power supplied to a load without sacrificing efficiency. This technique is often employed in controlling the speed of an electric motor.
PWM operates by varying the width of...
Computer Off Switch
How often does it happen that a user shuts down Windows and then forgets to turn off the computer? This circuit automates that process. After Windows is shut down, a click occurs a second later, disconnecting the PC from the...
Electronic pulse circuitry fishing
The circuit utilizes the SC3525A, a PWM silicon chip from US General Semiconductor. It features an error amplifier with an inverting input at pin 1. Pin 2 serves as the non-inverting input for the error amplifier. Pins 5 and 6...
PWM Speed Rotation Forard-Reverse and Regenerative Braking
This circuit is a PWM speed control circuit for a DC motor rotation. It supports forward and reverse rotation as well as regenerative braking functions. The circuit utilizes a PWM signal to control the speed of a 12V DC motor...
Internal functional block diagram of NCP5201
The NCP5201 chip contains two sets of PWM signal generating circuits, each with a dedicated set of output pins. These circuits produce two opposite phase PWM signals, which are applied to the gates of three field effect transistors. This arrangement...
LV8741V PWM stepping motor driver electronic project circuit design
The circuit diagram illustrates an electronic project that requires a few external electronic components. The PWM current-control stepping motor driver IC can provide a maximum output current of up to 1.5 amperes. The configuration settings for the PWM current-control DC...