In electronic components, HIGH-SIDE is a term mainly used in power electronic circuits. It is used to describe the location of a specific component or circuit. In general, the terms HIGH-SIDE and LOW-SIDE refer to the position of the switch in a switching circuit.
HIGH-SIDE SWITCHING
In HIGH-SIDE switching, the switch is positioned between the positive (+) side of the load and the power source. That is, the switch is connected between the positive voltage rail of the power supply and the load. The main features of HIGH-SIDE switching are:
Switching position: The switch is located between the positive side of the power supply and the load.
Grounding of the load: The load is always connected to ground.
Switch control: The switch is controlled by positive voltage.
Advantages:
The load is always connected to ground to ensure stable operation.
Because current flows through positive voltage, it is more suitable in certain applications.
disadvantage:
The gate drive circuitry of the switch can become complex. Especially when using MOSFETs, a high voltage must be supplied to the gate.
Uses and examples
HIGH-SIDE switching is used in automotive electronics, industrial electronic equipment, power supplies, and many other applications. For example, in a car's headlight circuit, HIGH-SIDE switching ensures that the headlights are always connected to ground, and is used to control the switch on the power side to turn the headlights on and off.
HIGH-SIDE DRIVER
HIGH-SIDE drivers are used to facilitate high voltage switching. It is commonly used to control transistors such as MOSFETs or IGBTs. These drivers provide high-voltage gate signals to enable efficient switching of transistors.
summary
HIGH-SIDE refers to the location of the component in the power electronics circuit, where the switch is located between the positive side of the power supply and the load.
This provides stable operation as the load is always connected to ground and is better suited for certain applications.
A high-voltage gate drive circuit may be required to control the switch.
These characteristics make HIGH-SIDE switching widely used in a variety of power electronics applications.
*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.
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