tl494-pwm-circuit

1 год назад

This video demonstrates a TL494 IC-based PWM control module for inverters. The module features adjustable voltage and current, and the video shows how to adjust the duty cycle and frequency using a potentiometer and oscilloscope. The module can be used for both high and low-frequency inverters, and the video shows how the output waveform changes with different duty cycle settings.

6 лет назад

This video demonstrates a circuit built around the TL494 pulse width modulation control chip. The creator explores different configurations of the chip, varying the frequency and phase of the output signals. The video concludes with a discussion of how the chip can be used to create a solid-state substitute for a filament voltage vibrator.

10 лет назад

This video demonstrates a custom-built ignition coil driver circuit. The circuit uses a TL494 chip, commonly found in computer power supplies, to control the frequency and intensity of the spark. The video shows the circuit in action, highlighting the adjustable nature of the spark and the use of a resettable fuse for safety.

4 года назад

This video demonstrates a circuit using a TL494 chip to drive a half-bridge MOSFET driver. The circuit uses 2N2222 transistors to amplify the pulses from the TL494 and IRF510 MOSFETs to switch the primary winding of a transformer. The video explores how varying the pulse width affects the output of the transformer.

6 лет назад

This video explains how to implement soft-start in a TL494 PWM circuit. The presenter demonstrates how to adjust the output voltage from 0% to 100% gradually, reducing stress on the output MOSFETs. The video includes a circuit diagram and explains the role of each component in the soft-start process.