DRV10963JMDSNT

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PMIC (Power Management ICs) are used to deliver, control and monitor power in automotive and industrial applications. DRV10963JMDSNT is a PMIC motor driver, controller and built-in diagnostics that combine solutions for all automotive and industrial motor control requirements, ranging from low-speed to high-speed DC motors. The driver has low current consumption, flexibility in configuration and built-in diagnostics.

Application Field

The DRV10963JMDSNT motor driver is used in automotive and industrial applications, such as power windows, wiper motors, cooling fans, alternator operation, windshield washer, motor driven utility applications and power seat adjustment. The motor driver is designed to drive a low speed/high speed DC motor using Hall effect, radial or axial sensors. It also features a built-in fault detection and diagnostic features which help provide a safe, secure and reliable system.

Working Principle

DRV10963JMDSNT is a monolithic integrated circuits that combines a high-current power stage, microcontroller, current sensing and protective functions. It has an advanced current control architecture for smoother and faster motor control. The motor drive can be activated through a secure digital input port, analog input port or via an external signal. The microcontroller provides a mechanism to control the action of the motor driver. It also comprises of an integrated comparator to detect the position of the Hall effect sensor and dynamically adjust the current to the load. The current sensing circuit monitors the load current and will shut off the motor if it exceeds a preset maximum threshold.

The DRV10963JMDSNT also has a built-in protection such as overcurrent sense protection and thermal protection. The overcurrent sense protection monitors the load current and will shut off the motor if it exceeds a preset maximum threshold. The thermal protection monitors the temperature of the motor driver and will shut off the motor if it exceeds a safe maximum temperature. The driver has an adjustable pre-charge time to prevent in-rush current and reduce system noise.

The DRV10963JMDSNT has a back EMF (electromotive force) detection circuit that is used to accurately detect the back EMF generated by the motor. This allows for precise control of the motor speed and reduces its total power consumption. The DRV10963JMDSNT also has a protection circuit against short circuits and open-load conditions. The protection circuit monitors the load voltage to detect short-circuit and open-load conditions and will shut down the motor if either condition is detected.

In conclusion, DRV10963JMDSNT is a monolithic integrated circuit with advanced current control architecture, an integrated comparator to detect the position of the Hall effect sensor, current sensing circuit, protection circuits and back EMF detection circuit. It is ideal for automotive and industrial motor control applications. The driver has a secure digital input port, an analog input port or can be controlled by external signals, low current consumption, and features built-in fault detection and diagnostic features.

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