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SMPS Switching Power Supply and Power Supply Module

Pulished on Feb. 08, 2021

As electronic equipment has more and more functions and more complex structures, the power supply system for its power supply has become more and more complex. For original equipment manufacturers (OEMs) without a dedicated power supply team, power supply design are full of design and business challenges.


Broadly speaking, a power source is a device that converts other forms of energy into electrical energy, such as water power, wind power, sea tide, dam water pressure difference, solar energy and other renewable energy sources, as well as power sources such as coal and oil. Common power sources are 380V industrial power and 110V-220V AC power for civilian use. In addition, there are other types of DC power sources such as batteries, power banks, and power adapters. According to the nature of use, the power supply can be divided into independent power supply, switching power supply, customized power supply, modular (configurable) power supply, charging power supply, etc. Today we will talk about the connection and difference between switching power supply and power supply module.


SMPS (Switching Mode Power Supply), also known as Switching Mode Power Supply or switching converter,is a high frequency Power conversion device. Its function is to convert the voltage of a certain level into the voltage or current required by the client through different forms of architecture.

Depending on the type of input and output voltage, including:

AC/AC converter: inverter, transformer

AC/DC converter: inverter, current rectifier

DC/AC converter: inverter, UI

DC/DC converter: voltage converter current converter


The power supply module, also called modular power supply, is a "building block" produced by power supply manufacturers based on the prediction of large-scale market demand. Its advantage is that if you need to buy an AC/DC converter or DC/DC converter or need to customize it from scratch One that is fully compatible with the equipment. With the AC DC and DC DC power supply module, such as medical equipment (surgical robots, imaging equipment and laser equipment) and industrial automation equipment, the volume is smaller, the cost can be effectively controlled, and the module is easy on replacement, flexible combination, product launch time can also be much earlier.

 

We are trying our best to offer various and optional input and output values to realize the general purpose among application such as smart meter and medical device. The following is mainly to introduce Ivy's two power supply modules - AC DC and DC DC power supply module.


The AX series of AC and DC power supply modules have the following main features: single and three-way optional, typical performance three-phase wide range input conversion efficiency (typical 80%), switching frequency of 60kHz TYP, over current, short circuit and over temperature protection, automatic recovery, high isolation of input and output, direct-insert mounting on PCB board, flame retardant plastic housing, built-in EMI against 4kV lightning surge. This AC DC power supply module provides customers with small volume, high efficiency module power supply. This power supply module has the advantages of low ripple, low temperature rise, low power consumption, high efficiency, high reliability, high safety isolation and so on.


After understanding the power supply modules of AC, DC, AX series, let's also have a look at the DC and DC three-way power supply module of Ivy. It is a small volume for customers and used for micro power isolation of intelligent instruments and meters. Its main functional features are as follows:

Wide voltage input, three isolated unregulated output, output power 300MW;

The conversion efficiency is up to 50% and the static input current is 7.5mA;

Resistant to constant magnetic field capacity 400mT;

Plastic housing, meet UL94-V0 requirements;
        Operating temperature range is -40°C to 85°C;
        Operating voltage range 8V-18V;
        Isolation withstand voltage 3K;
        Small SIP package.


These two modes of AC DC and DC DC power supply modules are widely used in smart home, circuit control, smart electricity meter, power grid, energy smart city Internet of Things, medical instruments and many other fields, which have important applications. For information about Ivy's two power supply modules, please click https://www.ivy-metering.com/power-supply-module/ to select.


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