DRV10964FFDSNT Integrated Circuits (ICs)

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PMIC - Motor Drivers, Controllers have been in the industry for many years now. The DRV10964FFDSNT is a stand-out motor controller device from linear. It is used to control high power brushless DC motors and to drive and control brushed DC motors. It has been designed for high-efficiency, high-power in a very small size.

Application Field:

The DRV10964FFDSNT is mainly used in robotics, drones, commercial, automotive and industrial applications. The device is marketed as ideal for brushless DC motor applications while also suitable for controlling brushed motors. The device provides two independent channels which can be utilized in various drive applications. It allows a single device to control the two motors independently or in unison and this can be utilized to create two master-slave robotic arms or to create a single robotic drive system.

Robotic servos, chassis of a drone, drone Yaw turret and camera gimbals, camera systems, wheels and skis of park assists, HVAC systems, air-conditioners and fan control all require motion control, and in these cases, the DRV10964FFDSNT can be used to effectively convert signals from a microcontroller to the appropriate form for controlling a motor

Working Principle:

The DRV10964FFDSNT is a two-channel motor controller device that utilizes a combination of a buck-boost pre-regulator and two linear channels to provide multiple operating modes, such as drive and direction control, torque control and velocity control, which is suitable for controlling most high-power BLDC motors and brushed motors. Its functional blocks are set up such that, there is an analog and digital interface block, gate driver stage, gate drive block, gate voltage feedback, preregulator, and finally power output stages.

Input pulses are monitored through the analog block and converted into appropriate control signals for the Gates and Motors. The Gate Driver stage drives the N-channel MOSFETs, consisting of two high-side switches and two low-side switches, to deliver current to controlling motors, allowing them to move. The gate voltage feedback block monitors the voltage across the external MOSFETs and controls the current to the MOSFETs to prevent over-voltage. The Preregulator is responsible for supplying the drive and logic circuits in the chip with constant voltage, while the Power Output Stages provide the voltage and current necessary for the motors.

The DRV10964FFDSNT provides several operating modes which can be used to control motors with different configurations and sizes. Bipolar PWM (BPWM) can be used to control the two motors independently and in unison. In relation to brushless motors, sinusoidal PWM (SPWM) and vector control (VMOT) can be used for single/multiple motors control. For brushed motors, the device utilizes SPWM and PEC mode with adjustable speed control. The device can operate from a supply voltage of 4V to 28V, allowing it to be used in many applications.

Overall, the DRV10964FFDSNT from linear is a powerful motor controller device that offers a wide range of features and capabilities. Its combination of buck-boost pre-regulator and two linear channels, assist in providing efficient, reliable and low-cost motor control for high-power brushless DC motors and brushed DC motors.

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