Current limiter techniques and circuits using diodes and transistors to provide a current limiter function for power supplies and other circuits.

Learn about different current limiting circuits, how they work, their advantages and disadvantages, and their applications.

Jan 19, 2025 · The above circuit can be very efficiently used for making precision current controlled LED tube light circuits. A classic example is illustrated below, which can be easily modified as per the …

Jul 12, 2025 · Learn how to build a simple current limiter circuit using transistors which can be used to control the load current to a specific limit.

One style of current-limiting circuit is shown in the image. The schematic represents a simple protection mechanism used in regulated DC supplies and class-AB power amplifiers. Q1 is the pass or output …

Without a current limit circuit a shorted power supply would most likely blow of fuse or melt a winding on the transformer (killing the supply). Always adjust the current limit on the bench power supply to only …

Apr 23, 2025 · Learn how current limit control circuits work, key types, design tips, and applications for safer, more reliable electronic systems.

Objective The purpose of this application note is to introduce the concepts of current limiting and basic current limiting circuits.

Unlike current limiter that uses only a resistor, this current limiting circuit doesn’t drop the voltage, or at least keep the voltage drop at minimum, until a certain current amount is exceeded. This current …

Figure 3 shows a dedicated current limiter IC, the MAX17523 from Analog Devices. It has two MOSFETs that can limit current to a value between 150 mA and 1 A.