What are the functions of the chip inductor?

Shunluo Inductance Power Inductor SWPA Series First Class Agent

The role of the chip inductor

1. The chip inductor is a magnetic sensing element wound with insulated wires; it is an inductive component that is one of the commonly used passive components.

2, the role of the chip inductor: through the role of DC resistance AC, mainly to isolate the AC signal, and at the same time with the filter or with capacitors, resistors, etc. to form a resonant circuit. Tuning and frequency selection inductance.

3. The inductor coil and the capacitor are connected in parallel to form an LC tuning circuit. The power inductor plays a role of resonant tuning in the circuit.

4. Any current in the circuit of the chip inductor is the circuit where the inductor is located, and the magnetic flux of the magnetic field acts on the circuit. At this point, the circuit is loaded with a certain amount of magnetic flux; generally speaking, it is said in engineering; the more saturated the magnetic flux is, the more stable the performance of the inductor in the circuit.

5. When the current through the chip inductor changes, the DC voltage potential generated in the chip inductor will prevent the current from changing. The changing current is blocked outside this circuit; because the changing current may be a large current; if the circuit is not able to withstand the general circuit; it may impact other components in the circuit; the entire circuit substrate is burnt.

6. When the current through the chip power inductor increases, the self-induced electromotive force generated by the inductor and the electric current through the inductor decrease, the self-induced electromotive force is the same as the current direction, preventing the current from decreasing, and releasing the stored energy. To compensate for the reduction in current. The flow direction is reversed, preventing an increase in current.

7. At the same time, a part of the electric energy can be converted into a magnetic field and can be stored in the inductor; therefore, after the inductance filtering, not only the pulsation of the load current and the voltage is reduced, the waveform becomes smooth, and the conduction angle of the rectifier diode increases.

8. The chip power inductor is different from the general chip inductor. The general chip inductor has a single function in the circuit. At the same time, it plays the role of EMC and EMI and has the function of power storage.

9. Shielded chip inductors can shield the instability of currents in some circuits, and play a good role in blocking. The shielded metal shields will be surrounded by positive conductors and will be induced on the inside of the shield. The same amount of negative charge as the charged conductor.

10. The positive charge with the same amount as the live conductor appears on the outside. If the metal shield is grounded, the positive external charge will flow into the earth, and there will be no electric field on the outside.