Generally, the inductors in electronic circuits are air-core coils or coils with magnetic cores, which can only pass a small current and withstand lower voltages; and power inductors also have air-core coils and magnetic cores. The main feature is Thick wire winding can withstand tens of amps, hundreds, thousands, or even tens of thousands of amps.
There are two types of power inductors: with magnetic cover and without magnetic cover, mainly composed of magnetic core and copper wire. It mainly plays a role of filtering and oscillation in the circuit.
An integrated high-current inductor developed by Maixiang Technology, which can replace the magnetic loop coil.
The production process has been changed from the original rail hydraulic type to the skateboard hydraulic type. The product qualification rate has been controlled at 92%. SMD power inductors use iron powder cores, which provide better temperature stability and lower cost compared to other optional cores. The shape of the chip inductor can provide flexibility and variability when necessary, but at a higher cost. High-flux magnetic rings are usually found in filter inductors rather than power conversion circuits. Another performance tradeoff can be seen in the typical waveforms of inductor current, inductor voltage (pin 14 to pin 16), and output voltage ripple. Use the smaller inductance fdv0620-0.47μh inductor to produce higher peak current, and the output voltage ripple is lower than 18mv peak-to-peak value.
The peak-to-peak ripple produced by the chip inductor is just over 12mv. The peak current charges the output capacitor and supplies the load current. Larger currents will flow in and out of the capacitor, which will produce a higher output voltage ripple. SMD inductors are mostly used in power filter circuits. Inductance is an energy storage component that suppresses conductive interference. SMD inductors use a large number of inductive components and EMI filter components in the PCB circuit of electronic equipment. In the resonant circuit, the inductor must have high Q, narrow inductance deviation, and stable temperature coefficient to achieve the narrow band of the resonant circuit and low frequency temperature drift. High-Q circuits have sharp resonance peaks.
Copyright © 2020 Shenzhen Jiatai Crystal Technology Co., Ltd.
粤ICP备12084274号 All Rights Reserved
Phone: 0755-27085386 27085976
Fax: 0755-27087086
Mobile: 13509625527
Email: falcon@sz-jtc.com
Website: www.sz-jtc.com
Address: 3rd Floor, No. 2 Plant, Century Industrial Park (Gang Huaxing Industrial Park), Phoenix First Industrial Zone, Fuyong Street, Baoan District, Shenzhen