About IC Drivers
IC drivers provide the required current and voltage needed to turn power switching elements on or off, based on the logic output signals of a digital signal processor (DSP), microcontroller or other logic device. They protect against over and under voltage as well as thermal shutdown. Typically, IC drivers are used with power switching elements such as metal oxide semiconductor field effect transistors (MOSFET) and insulated gate bipolar transistor (IGBT). There are four basic types of gate drivers: high-side, low-side, dual or half-bridge, and three-phase. A high-side gate driver is used for components connected to a positive supply. A low-side gate driver regulates components connected to a negative supply. Dual gate or half-bridge drivers have properties for both high-side and low-side gates. Three-phase IC gate drivers are used in applications that use three-phase power such as BLDC motors and step-down controllers.
Engineering Web: IC Drivers - Machine Design
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Machine Design | Stepmotor Driver IC's The A3980 is a stepper-motor-driver IC particularly suited to automotive applications. |
