Tl494 Ic Inverter Circuit Diagram

By | January 10, 2022



Constructing an Inverter Circuit Using the TL494 IC



With modern advances in technology, it is sometimes necessary to construct an inverter circuit to convert AC power to DC power and vice versa. When making this conversion, engineers use the TL494 Integrated Circuit (IC) to control the switching of the circuit and maintain the voltage levels at a constant level. The TL494 IC is also used to regulate voltage when multiple supplies are being used, such as in a motor drive application. In this article we will explain how to construct an inverter circuit using the TL494 IC.

Design Considerations for Constructing an Inverter Circuit using the TL494 IC



When designing an inverter circuit using the TL494 IC, one must consider the type of output required, and the type of control signal needed. The output voltage can be either a sinusoidal or a modified sinusoidal waveform depending on the application. The modified sinusoidal waveform is more suitable for applications such as motor drives, as it has a higher frequency than the sinusoidal waveform.

In order to achieve a well-controlled output, it is important to have the correct control signal applied to the TL494 IC. This control signal can be a current source, a digital signal, or a pulse width modulation (PWM) signal. A current source is the most commonly used control signal and it must be scaled properly in order for the output voltage to remain at a constant level. Digital signals, however, require the use of a counter and comparator circuit, while PWM signals are used for more sophisticated designs.

Components Used in the Inverter Circuit



The components used in the inverter circuit vary from design to design, but typically include the following:


  • TL494 IC

  • Voltage regulator

  • Transformer

  • Bridge rectifier

  • Capacitor

  • Inductor

  • Switch

  • Fuse



The voltage regulator is used to ensure that the output voltage remains consistent regardless of load or temperature variations. The transformer is responsible for transforming the incoming AC power into a suitable form for the inverter circuit. The bridge rectifier converts the AC voltage into DC voltage for the circuit, while the capacitor and inductor are used to filter the output. The switch determines when the output is turned on or off, while the fuse provides protection against overloads or short circuits.

Features of the TL494 IC



The TL494 IC offers several features that make it ideal for constructing inverter circuits. It has a built-in oscillator which can be used to generate the control signal for controlling the switching of the circuit. The IC also provides protection against overvoltage and undervoltage conditions, as well as thermal shutdown protection. Additionally, the TL494 IC is available in various packages, making it suitable for both through-hole and surface mount applications.

Overall, the TL494 IC is a versatile component for constructing inverter circuits. With its wide range of features and protection, the TL494 IC is an ideal choice for any application requiring AC-to-DC power conversion. By understanding the design considerations and components used, engineers can easily construct an inverter circuit using the TL494.


Tl494 Pulse Width Modulation Control Circuits Datasheet Rev H

Tl494 Pulse Width Modulation Control Circuits Datasheet Rev H


The Circuit Chart 1 Oscillator Pulse Width Modulation Control Scientific Diagram

The Circuit Chart 1 Oscillator Pulse Width Modulation Control Scientific Diagram


Pwm Ic Testing Method Electronics Repair And Technology News

Pwm Ic Testing Method Electronics Repair And Technology News


One Stone Gh My Powerful Inverter Circuit Diagram 12v To Facebook

One Stone Gh My Powerful Inverter Circuit Diagram 12v To Facebook


Dc To Converter Circuit Tl494 12v 30v Adjule Electronics Projects Circuits

Dc To Converter Circuit Tl494 12v 30v Adjule Electronics Projects Circuits


Pdf Design And Analysis Of Modified Sine Wave Inverter

Pdf Design And Analysis Of Modified Sine Wave Inverter


300w Power Inverter Using Tl494 With Feedback Soldering Mind

300w Power Inverter Using Tl494 With Feedback Soldering Mind


Sg3525 12 Volt 220 Inverter Circuit Electronics Projects Circuits

Sg3525 12 Volt 220 Inverter Circuit Electronics Projects Circuits


1500 Watt Pwm Sinewave Inverter Circuit Homemade Projects

1500 Watt Pwm Sinewave Inverter Circuit Homemade Projects


12v 24v Pwm Motor Controller Circuit Using Tl494 Irf1405

12v 24v Pwm Motor Controller Circuit Using Tl494 Irf1405


Inverter 12v To 220v Using Tl494 Share Project Pcbway

Inverter 12v To 220v Using Tl494 Share Project Pcbway


Pwm Inverter Circuit Diagram Using Tl494

Pwm Inverter Circuit Diagram Using Tl494


Inverter Circuit With Feedback Control Homemade Projects

Inverter Circuit With Feedback Control Homemade Projects


Tl494 100w Inverter Circuit Get Vid

Tl494 100w Inverter Circuit Get Vid


Tl494 Pwm Module Fixed Frequency Driver Board For Dc Converter Inverter Motronix

Tl494 Pwm Module Fixed Frequency Driver Board For Dc Converter Inverter Motronix


Buck Solar Charger Circuit Using Ic Tl494

Buck Solar Charger Circuit Using Ic Tl494


Pwm Inverter Circuit Diagram Using Tl494

Pwm Inverter Circuit Diagram Using Tl494