FONGSO TECHNOLOGIES. CO.,LTD.

IGBT (Insulated Gate Bipolar Transistor)

絕緣閘雙極性電晶體

Motor drive system for automobile according to the motor drive is required to have a power density and high efficiency. Power devices using next-generation IGBT can realize reduction in power loss.

依賴馬達驅動之汽車驅動系統,必須有高功率密度與高效能的特性,因此欲達成減少功率耗損,提升功率運轉效能,需使用次世代IGBT之功率元件。

The Equivalent Circuit of The Three-Phase AC Inverter
三相交流電逆變器的等效電路圖

The Application of the Power Devices
(功率元件的應用)

 

About IGBT
IGBT (Insulated Gate Bipolar Transistor) is a three terminal power semiconductor device primary used as an electronic switch and in newer devices is noted for combining high efficiency any and fast switching.

關於絕緣閘雙極性電晶體
(IGBT) 是三端子功率半導體元件,主要用在電子開關及結合高效率和快速切換的新元件。

It switches electric power in many modern appliances.
它開關許多現代電器的電力。

  • Variable Frequency Drives(VFDs) 可變變頻元件
  • Electric Cars 電車
  • Hybrid Car 油電混合汽車
  • Train 列車
  • Variable speed refrigerators 可變速率冷凍機
  • Washing machine 洗衣機
  • Air conditioners 空氣調節器
  • Stereo system with switching amplifiers 開關增幅器的立體音響裝置
  • Uninterruptable power system 不斷電電源供應器
  • Induct heating cookware 感應加熱烹調器
  •  

    About the market of the power semiconductor devices
    關於功率半導體元件的市場

     

    Market Prediction of IGBT
    絕緣閘雙極性電晶體(IGBT)的市場預測

    IGBT’s market is presumptive figure.
    絕緣閘雙極性電晶體(IGBT)的市場是根據推定的數字。

    I calculate it to multiple the power semiconductor device’s market by ratio.
    計算方式是由功率半導體元件的市場大小乘絕緣閘雙極性電晶體的市場比率。


    汽車電子裝置


    車用IGBT

     

    須維持在穩定的作業溫度內


    Comparison of Materials for Heat Spreader
    (比較各項散熱材料)

     

    Data of Effective CVD Diamond Heat Spreader
    (鑽石散熱效能)


    The power devices family, showing the principal power switches
    功率元件系列,列出主要電源開關

    電動汽車的IGBT

    IGBT (Power Module) for The Next Generation Vehicles makes to be effective reduction against the air pollution.
    IGBT(功率模塊),用於下一世代汽車,使有效降低空氣污染。

    The Next Generation Vehicles are the clean energy vehicles.
    下一世代汽車是乾淨能源汽車。

    The Electric Vehicles and The Fuel Cell Vehicles.
    電動汽車和燃料電池汽車。

    The fuel cell vehicles and electric vehicles is a motor drive, the exhaust gas is not ejected.
    燃料電池汽車和電動汽車是馬達驅動,不產生廢氣。

    Power source is hydrogen or lithium battery. Do not use fossil fuels.
    動力源是氫或鋰電池,不使用石化燃料。



    The Structure of The Electric Vehicle電動汽車的結構



    The Structure of The Fuel Cell Vehicle燃料電池汽車的結構

     

    The Electric Vehicle and The Fuel Cell Vehicle use the three-phase AC inverter for rotating stably motor.
    電動汽車和燃料電池汽車使用穩定旋轉馬達三相交流逆變器。

    It is necessary to reduce as much as possible the loss of high voltage and high current from poor cell for rotating stable motor.
    盡可能減少來自電池量不足的穩定旋轉馬達的高電壓和高電流的損耗,是必要的。

    The inverter is constituted by IGBT and Schottky diode.
    逆變器由 IGBT 和肖特基二極管構成。

    The inverter what is mounted on an electric vehicle, requests the performance current 100A, the breakdown voltage 600V per a chip.
    被安裝在電動汽車上的逆變器,要求性能電流100A,崩潰電壓 600V 的芯片。

    The maximum operation temperature of IGBT is about 150 degrees centigrade.
    IGBT 的最大操作溫度為約攝氏 150 度。

    Dropping the thermal resistance is very important, because such action is able to control within the limit temperature of IGBT as increasing the output current.
    下降熱阻是非常重要的,因為這樣能夠控制 IGBT 的極限溫度以增大輸出電流。

    The new heat dissipation technology can improve the output performance of 60% per unit area.
    新的散熱技術可以提高每單位面積 60%的輸出性能。

    Power Control Unit (IGBT) for EV/HV
    電源控制單元 (IGBT) 的 EV/ HV

    The inverter by a semiconductor process is vulnerable to heat, and then such device requires the powerful heat spreader.
    通過半導體作用的逆變器很容易受熱,這樣的設備需要強效的散熱片。

    Currently, there is no heat spreader to satisfy the specifications of the inverter.
    目前沒有能滿足逆變器需求的散熱片產品。

     

    Thermal Conductivity of Commercially Available Thermal Grades (TM) of CVD Diamond Compared with Alternative Materials (NASA Tech)
    (各項材料熱傳導比較)


    CVD Nano Diamond Membrane is the only material to satisfy the required specifications of the inverter.
    CVD 奈米鑽石膜是滿足逆變器規格需求的唯一材料。