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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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什么是驱动IC？
它是一种驱动电机的逆变电路。
例如，一台３相小电机有6个功率元件和6个二极管。功率元件有晶体管、FET、IGBT等。
由于实际驱动电机的是大电压、大电流，所以需要一个驱动电路，将控制电路的PWM输出转换为高电压、大电流。
由于驱动电机的FET和IGBT等功率元件需要12伏左右的大驱动电流来驱动，因此需要一个预驱电路。
低电压的小功率电机可以在没有预驱电路的情况下驱动。
- FET：场效应晶体管
- IGBT：绝缘栅双极晶体管
- IPD：智能电源设备（功率元件模块化为逆变器）
