In our case, we used 1 Ohms resistor, therefore, 1A of current flow through this resistor will produce a voltage drop of 1V. The NTC is connected across the positive line of the circuit. The resistor ...

As shown in Figure 4, the current limiting circuit consists of a power transistor Q1 (TIP31C). The LED array A is connected to the collector of Q1. Q1 is biased using resistor R1. In the emitter ...

Another circuit for hot-swap applications (Figure 2) uses a pnp transistor (Q1) and current-sense resistor (R1) to provide continuous current sensing and limiting. As power is applied, current flows ...

The current limit can be controlled by selecting the value of Rs: Imax=1.5/Rs. So Rs can be a variable resistor. The power on Rs can be calculated using: Pmax=Imax*1.5. It should be noted that the max ...

This paper proposes a passive method to limit inrush currents for solid state switching devices, such as circuit breakers, contactors, relays, and other electrical apparatuses. The method proposes to ...

Only the resistor at the output of the LM317 (R1) serves for current sensing. The second resistor (R3) causes an additional voltage drop depending on an additional (and adjustable) current. When the ...

Second, they may employ the use of an active bypass circuit which activates after any inrush current peak wanes (active ICL circuit). The decision of deciding which current limiting method should be ...

The easiest and cheapest way is to place a current limiting resistor in series with the LED to control the current, preventing it from exceeding the maximum rated current. This LED resistor calculator ...

Abstract: This paper proposes a passive method to limit inrush currents for solid state switching devices, such as circuit breakers, contactors, relays, and other electrical apparatuses. The method ...