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Boost capacitor layout technique for an H-bridge integrated circuit motor controller to ensure matching characteristics with that of the low-side switching devices of the bridge
Boost capacitor layout technique for an H-bridge integrated circuit motor controller to ensure matching characteristics with that of the low-side switching devices of the bridge
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机译:用于H桥集成电路电机控制器的升压电容器布局技术,以确保与桥的低侧开关器件的特性相匹配
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摘要
An H-bridge circuit having a boost capacitor coupled to the gate of the low-side driver. A driver, in the form of a switching transistor is connected between the load and ground, thus providing a low-side driver. A capacitor is coupled to the gate of the low-side driver to provide a boosted voltage for rapid turn on of the gate. The size of the capacitor selected to be similar to the size of the capacitance associated with the low-side driver transistor.
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