L6219DSA

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The L6219DSA is a monolithic integrated circuit dedicated to make brushless DC motor control applications simpler and more reliable. It integrates an advanced control circuit and provides the full bridge driver. The device has a wide range of applications including computer peripherals, handheld products and automotive applications.The L6219DSA provides a complete motor control solution for single brushless DC motor applications. It integrates an advanced current sensing circuit, a low-loss Full Bridge driver, as well as protection against electrical spikes, over-current and thermal shutdowns.The L6219DSA is based on a three-phase motor driver circuit. The three-phase drive circuit is capable of driving brushless DC electric motors in both forward and reverse directions. It is capable of controlling the motor speed by adjusting the fixed on-time (TON) of each channel. It features a single primary winding and three secondary windings. The primary winding is used to sense the current in each of the three phases and to control the current in each phase.The L6219DSA features an advanced current sensing circuit. The current sensing circuit measures the average current in each of the three phases and adjusts the voltage applied to the windings accordingly. The current sensing circuit can be used to detect and protect against over-current and short-circuit situations.The L6219DSA also features a low-loss Full Bridge Driver. The Full Bridge Driver is used to provide drive current to the motor windings. The Full Bridge Driver is capable of providing currents up to 2A. It supports a wide supply voltage range of 6V to 17V.The L6219DSA also features a thermal shutdown circuit. The thermal shutdown circuit is used to protect against over-temperature situations. The circuit shuts down the device if the temperature of the die exceeds a specified threshold.The L6219DSA is a highly integrated device and provides a complete solution for brushless DC motor applications. It combines an advanced control circuit, a low-loss full-bridge driver, and protection against electrical spikes, over-current and thermal shutdowns, all in a single package. It is designed for applications such as computer peripherals, handheld products and automotive applications.

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