DRV10983QPWPRQ1

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The DRV10983QPWPRQ1 is a 3-phase motor driver designed primarily for brushless DC motors. It was specifically developed to drive BLDC motors in Brushless Fan and Pump applications, providing motor control and power conversion using an integrated motor driver solution. It utilizes efficient switching regulated architecture for significant power savings.

This motor driver is well suited for controlling 3-phase brushless DC motors across wide speed range with minimal EMI and low inductance current sensing. The chip also supports variable speed applications, with the help of low-cost integrated pulse-width-modulation (PWM) control.

The DRV10983QPWPRQ1 integrated circuit (IC) provides programmability, allowing the user to select the correct levels of current, voltage, and frequency necessary to drive their brushless DC motor. Additionally, this IC sensorless can also optimize its efficiency through feedback and easier corrections of commutation events.

The DRV10983QPWPRQ1 application field consists of a wide variety of 3-phase brushless DC motor applications, particularly those requiring a low inductance current sensing technique, such as Brushless Fans and Brushless pumps, as well as Industrial and consumer applications.

At the core of its operation, DRV10983QPWPRQ1 IC incorporates a pre-driver stage that helps to increase the driver current sinking in order to improve the accuracy of the motor commutation. It produces a PWM signal with a resolution of 16-bit and uses a 16-bit sigma-delta modulator to provide a fast and accurate current regulation.

The DRV10983QPWPRQ1 utilizes sinusoidal based Position-Rotation sensor (PRS) application to calibrate the motor motion. Here, Hall sensors in the feedback loop detect the rotary movement of the motor and these inputs are used to calculate the exact rotor angle and then generate a specific PWM signal in order to drive the motor. The PRS algorithm is also used to control the speed and torque of the motor.

The primary benefit of using this PRS system is that it avoids any complex calculations needed in the standard phase-lock loop technique and uses a sine-wave based position acquired from Hall sensors embedded in the motor for commutation purpose. This helps to reduce the complexity of the system and improve the efficiency of the motor.

In summary, the DRV10983QPWPRQ1 is a powerful IC that has been developed to meet the demand of low cost, efficient, and reliable motor control applications. It provides an integrated solution for 3-phase brushless DC motors, enabling speed regulation with high accuracy, low electromagnetic interference, and a low inductance current sensing technique. The DRV10983QPWPRQ1 also supports sinusoidal based position-rotation sensor (PRS) application and utilizes a sigma-delta modulator for current regulation.

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