Voltage to Current Converter: How It Helps Control Load Current

It is possible to control the current load in electronic devices. All you need is a voltage to current converter. Read on as we analyze voltage to current converter and how it helps to control the load current.

Table of Contents

What is a voltage to the current converter?

A voltage to current converter is an electronic circuit that converts a voltage to a current. The output current of the converter depends on the input voltage and output load resistance. In simple terms, it is a device that takes an input voltage and produces an output current.

How does a voltage to current converter work?

A voltage to current converter is a device that converts the voltage to the current. It works by converting the voltage into an electrical current, which can be delivered to a load. The converter has two main components: a transformer and a rectifier.

The transformer is at the heart of any AC to DC converter. The transformer takes in AC voltage, step up or step down as necessary, and turns it into a series of pulses of high voltage DC current that are then smoothed out by the rectifier circuit into clean DC power.

The rectifier takes the current pulses and uses them to charge a filter capacitor. The filter circuit is an electronic component that smoothes out any remaining ripple in the DC, leaving a clean supply of power.

Relationship between current and voltage

Current and voltage are directly related to the full functioning of a voltage to current converter.

The current flowing through the load resistor, formula_1, is equal to the current through the MOSFETs

The input voltage of the circuit is equal to VCC. The output voltage is equal to VOUT.

The input voltage is the source of current and the output voltage is the sink of current. The difference between these two values is equal to IOUT, which is the current through the load resistor.

When to use voltage to current converter?

There are various situations when you may be compelled to use a voltage to current converter.

The voltage to current converter is the most commonly used circuit to determine the output current of a load.

To measure the output current of a load, it is necessary to convert the voltage from a source into a current. The voltage to current converter is very useful in determining the output current of various loads.

– VCC is used in LEDs: Light emmiting diodes are designed to operate at a certain forward voltage. The light emitting diode works as a current source if VCC is applied.

The circuit can be used with various types of loads such as resistors, capacitors, inductors, transistors, etc.

-Operational amplifiers: The operational amplifier is frequently used in an amplifying circuit. The output current of the operational amplifier is determined by the voltage at its input. If we apply VCC to the input of an operational amplifier, the output current of it will be equal to IOUT.

-Capacitors: Capacitors are used in many circuits and various types of capacitors have different values of capacitance. To find out the value of a capacitor, it is necessary to know its capacitance value and its voltage rating. In order to get this value, it is necessary to calculate the voltage across a capacitor by applying VCC and then converting this value into a current.

-Inductors: A coil consists of windings that are wound around a ferromagnetic core. The coils are wound in such a way that their magnetic flux is stabilized. The winding turns an iron core, which produces a magnetic field. The current flowing through the windings induces a voltage in the core which is proportional to the current I flowing through the windings. When VCC is applied to the coil, current will flow through it and generate voltage across it.

-Transistors: A transistor can be used as an amplifier or as a switch. A transistor can be used as an amplifier by connecting its base (emitter) and its emitter (collector). It works like a switch by connecting its collector and its base (emitter).

-Oscillators: When VCC is applied across an oscillator, the voltage at its input terminals will vary in accordance with the current flowing through it. The frequency of the oscillations will depend on the value of the feedback resistor.

-Op Amps: An op amp is an electronic circuit that can amplify or switch signals. It is used to convert analog signals into digital signals which can be processed using microprocessors and other digital circuits.

-Transducers: A transducer converts one type of energy into another type of energy, usually mechanical, thermal, or electrical energy. An example of a transducer is a microphone that converts sound waves into electric signals for amplification and processing by a sound system.

-Current Sensors: A current sensor is a device that changes its resistance based on the amount of current flowing through it.

How to buy voltage to current converter?

You should consider the following factors before buying a voltage to current converter.

The current output of the converter should be much higher than the input current.
The voltage input should not be lower than the output voltage required by the circuit.
The power supply for the converter should be stable because you will use this device in your circuit.
The conversion ratio is also very important for you to choose a good converter from other available converters on the market at this moment.
The price of the converter should be reasonable for you to afford.
The converter should have a stable power supply voltage so that the output voltage can be within the range of 5V to 25V.
The converter should be able to work well with low input and output current, because it will be used in your circuit or electronic products. For example, if you want to use this device in your LED driver circuit, then this device should not have an input current higher than 200mA and output current lower than 1A or 2A at 30V output voltage level required by the LED driver circuit.
The converter should have a good quality because it will be used in your circuit again and again.

Conclusion

In conclusion, voltage to current converter is a very important electronic device, because it will be used in many kinds of electronic circuits. In order to choose the best quality voltage to current converter, you should consider the following factors:

At ICRFQ, we are a reputable supplier and sourcing agent of voltage to current converters in China. We will provide you with all kinds of voltage to current converters at competitive prices. If you need more information, please feel free to contact us as soon as possible.