Wednesday, August 31, 2022

DC to DC Converter Circuit 12V to ± 38V

DC to DC 12V to ± 38V Converter Circuit, in the circuit shown in the figure 

The pulse generator built on the TL494 chip is at the heart of the Car DC to DC Converter 12V to 38 VDC. The circuit is intended to power the Monoblock Car Amplifier TDA7294. The generator frequency can be adjusted by adjusting the resistor R3. You can also download the datasheet to learn more about the chips.

DC to DC Converter

DC to DC Converter Circuit

DC to DC Converter Circuit

  • The power supply is an electronic device that supplies electric energy to an electrical load.
  • The primary function of a power supply is to convert one form of electrical energy to another, and as a result, power supplies are sometimes referred to as electric power converters.
  • Some power supplies are discrete, stand-alone devices, whereas others are built into larger devices along with their loads. Examples of the latter include power supplies found in desktop computers and consumer electronics devices.

What is a DC-to-DC converter in a car?

An automotive DC-DC converter takes a high voltage from the battery and converts it to a lower voltage to power onboard devices like the instrument panel, entertainment system, sensors, LED lighting, and any other onboard devices that require low voltage DC power.

What is a DC-to-DC converter called?

DC to DC converters, known as choppers, is powered by a dc voltage source, typically a diode rectifier and a dc link. The dc link is made up of a large capacitor connected across the chopper’s input terminals and, often but not always, a series inductance.

What is the use of a rectifier?

A rectifier is an electronic device that uses one or more P-N junction diodes to convert alternating current to direct current. A diode functions as a one-way valve, allowing current to flow in only one direction. This is referred to as rectification.

Saturday, August 20, 2022

LM3886 Amplifier Board | LM3886 datasheet Pdf Download

LM3886 Amplifier

This tutorial is an introduction to LM3886 amplifiers, the most basic building block of op-amps. This circuit is a simple amplifier that can be used as a basis for more complicated amplifier designs. The circuit uses one LM3886, which is an adjustable gain amplifier with a quiescent current of around 100nA. This means that the current used to power the circuit when it is idle is less than 100nA. This is a good starting point for more complicated amplifier circuits. The circuit uses two resistors to set the gain of the amplifier.

 

LM3886 Audio Power Amplifier

LM3886 Amplifier Circuit Diagram

The audio power amplifier is an important part of the sound system. The LM 3886 IC audio power amplifier with an audio power amplifier unit is very powerful and capable of producing 68 watts of 2  4 Ohm load power and is capable of delivering 38 W power with an 8-ohm load produce. With a well-placed sound of 20Hz-20kHz, playback is also included in the LM3886 audio power amplifier.

The LM3886 audio power amplifier is equipped with surge protection, which protects the output circuit from over-voltage, under-voltage, overload, power supply, and maximum runaway dad thermal temperature. The LM3886 audio power amplifier also has a noise cancellation system that keeps sound away from the noise.

LM3886 IC Pinout

 

LM3866-pinout

 

LM3886 IC Price

Refer to this website for the Price

Click Here

Features:-

  • 68W Cont. Avg. Output Power into 4Ω at VCC = ±28V
  • 38W Cont. Avg. Output Power into 8Ω at VCC = ±28V
  • 50W Cont. Avg. Output Power into 8Ω at VCC = ±35V
  • 135W Instantaneous Peak Output Power Capability
  • Signal-to-Noise Ratio ≥ 92dB
  • An Input Mute Function
  • Output Protection from a Short to Ground or to the Supplies via Internal Current Limiting Circuitry
  • Output Over-Voltage Protection against Transients from Inductive Loads
  • Supply Under-Voltage Protection, not Allowing Internal Biasing to Occur when |VEE| + |VCC| ≤ 12V, thus Eliminating Turn-On and Turn-Off Transients
  • 11-Lead TO-220 Package
  • Wide Supply Range 20V – 94V

LM3886 datasheet Pdf Download

If the above link is not open check the below link

https://drive.google.com/file/d/1TKmVy9Q-TaINwmT-toMJNGyK3E4kAiTN/view?usp=sharing

People May also Ask?

What is LM386?

Ans: The LM386 is the audio power amplifier it can deliver 68w of power to a 4Ω load and 38W to an 8Ω load. It is a high-performance power Amplifier.

 

Monday, August 15, 2022

What is Single Phase Transformer | Single Phase Transformer Applications

Electrical Transformer

An Electrical Transformer is a device that can transfer one electrical circuit to another called transformer. A transformer can step up and step down electrical energy without changing frequency.

Single Phase Transformer

A Single Phase Transformer is an electrical device that can accept single-phase alternating current as input and single-phase alternating current as output. This is used in energy distribution in non-urban areas because the overall demand and prices are lower than with 3-phase transformers. They are used as a step-down device to reduce the home voltage to an appropriate level while maintaining frequency stability. As a result, it is frequently used to power electronic devices in homes. This article provides an overview of a single-phase transformer.

Working Principle

The single-phase transformer works on the basis of Faraday’s law of electromagnetic induction principle. In general, mutual induction between secondary and primary windings is responsible for the operation of an electrical transformer.

Single Phase Transformer Circuit

Single Phase Transformer Circuit

Single Phase Transformer Circuit Diagram

In the above circuit, the input supply side winding is referred to as the primary winding, and the load side winding is referred to as the secondary winding. The primary and secondary windings are electrically separated but magnetically coupled. The mutual induction principle describes the transfer of electrical energy from one circuit to another.

Single-Phase Transformer Applications

Single-phase transformers are used in a variety of applications, including:

  1. Power distribution: Single-phase transformers are commonly used to step down the voltage from the distribution lines to a level that can be used safely in homes and businesses.
  2. Industrial equipment: Single-phase transformers are used to provide power to industrial equipment, such as motors and machine tools.
  3. Isolation: Single-phase transformers can be used to provide isolation between different circuits, such as between a power source and a load.
  4. Voltage stabilization: Single-phase transformers can be used to stabilize the voltage in a circuit by providing a constant voltage output, regardless of changes in the input voltage.
  5. Audio and signal processing: Single-phase transformers are used in audio and signal processing applications, such as microphone preamps and audio amplifiers.
  6. Medical equipment: Single-phase transformers are used in some medical equipment to provide isolation and step down the voltage to a safe level.

IR Sensor Module Working with Arduino

IR Sensor Module Working Introduction Introduction : Start with a brief introduction to the IR Sensor Module and its applications. Mention t...