Principle and design scheme of switching power supply

Low powerSwitching Mode Power Supply brief introduction: this onePower SupplyVery simple, very suitable for just learningSwitching Mode Power SupplyPersonnel reference,Power SupplyCommon flyback topology is adopted,Switching Mode Power SupplyThe most important design transformer in general (later)brief introductionShare transformer parameter design). Background: some time ago, due to the need, a self-made output is 30V isolationSwitching Mode Power […]

Read More

Toshiba introduces 150V n-channel power MOSFET with the latest generation process, which can greatly improve the power efficiency

Shanghai, China, March 31, 2022 – Toshiba electronic components and Storage Devices Co., Ltd. (“Toshiba”) today announced the launch of 150V n-channel power MOSFET – “tph9r00cqh”. The device adopts the latest generation [1] “u-mosx-h” process and is suitable for switching power supply of industrial equipment, including data center power supply and communication base station power […]

Read More

Why does Xinpeng micro now begin to weaken its dependence on imported power

The highly integrated switching power supply and control circuit improved by Xinpeng micro samples the primary side current on the primary side winding of the transformer to obtain the sampling voltage, and samples the telecommunication signal generated by the voltage dividing resistance as the feedback voltage, so as to control the charge and discharge of […]

Read More

Texas Instruments: direct drive configuration of Gan devices

Paul L. brohlin, design and systems manager; Yogesh K. ramadass simulation design manager; Cetin Kaya Design EngineerBenefiting from integrated device protection, directly driving Gan devices can achieve higher switching power efficiency and better system level reliability. The switching characteristics of high voltage (600V) gallium nitride (GAN) high electron mobility transistor (HEMT) can realize a new […]

Read More

The latest switching regulator is widely used

Switching regulator circuit has existed for many years. Users can choose to use split components to design their own products or buy modular finished products. Today, technologies that meet the latest efficiency, EMI and power density requirements make modular solutions more popular. For a long time, whether directly used for load or as a part […]

Read More

Stability test scheme for long-time operation of power supply

In the design of electronic equipment products, the quality of power products will directly affect its technical performance, work safety and reliability. When there is a problem with the power supply, it will lead to the paralysis of the whole product, and the all-round test of the power supply product is particularly important. Let’s take […]

Read More

Introduction of several common current sensing methods for power MOSFET

1 Introduction In the 1970s, there was a worldwide energy crisis. Power electronic technology realized the high-efficiency conversion and control of electric energy, and its development made a great contribution to energy conservation. In power transmission and conversion (including green power products), how to reduce energy loss has become a very important research direction. In […]

Read More