AH9480M8TR-G1

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Power Management IC (PMIC) - Motor Drivers, Controllers

AH9480M8TR-G1 is an innovative power management integrated circuit (PMIC) developed by Canadian company Powertech. It is designed to provide power to motors in system-level applications. This article provides an overview of the different features of the AH9480M8TR-G1 PMIC, including its application field and working principle.

Application Field

The AH9480M8TR-G1 PMIC is a versatile motor driver solution, providing power to permanent magnet synchronous motors (PMSM) through a variety of field-oriented control (FOC) algorithms. It is suitable for driving motors ranging from 5W to 75W in various types of industrial, robotics and automotive applications. These applications include automotive electric steering systems, human-machine interface (HMI) commands and other commercial systems.

The motor driver also supports voice coil motor (VCM) control, enabling precise positioning and tuning of voice coil motors in applications such as headlamps, robotics or safety systems. Furthermore, the AH9480M8TR-G1 PMIC can be used to control other types of motors, such as DC motors, brushless DC motors and brushless AC motors.

Working Principle

The AH9480M8TR-G1 PMIC utilizes advanced control algorithms to drive motors. It employs the field-oriented control (FOC) technique to realize precise position, velocity and torque control. This technique relies on a precise vector control algorithm to monitor and adjust the motor’s current parameters in order to optimize power consumption and motor performance. The AH9480M8TR-G1 PMIC also integrates advanced sine-wave modulation to reduce switching losses, leading to higher overall efficiency.

In addition, the AH9480M8TR-G1 PMIC is equipped with advanced digital debugging tools, making debugging and programming less time consuming. This allows designers to easily tune and test their motor control system in real-time.

Furthermore, the AH9480M8TR-G1 PMIC is equipped with an embedded intelligent gate drive (IGD) enabling precise gate drive control. The IGD controller can be configured with an input signal, allowing the user to precisely control the motor speed. This allows users to achieve better performance and faster response times in closed-loop control systems.

Conclusion

The AH9480M8TR-G1 PMIC is an all-in-one, highly efficient motor driver solution designed to optimize the performance of system-level applications. It uses advanced field-oriented control algorithms to enable precise position, velocity and torque control. Furthermore, the AH9480M8TR-G1 PMIC includes an embedded intelligent gate drive controller to enable precise control of the motor speed and support for energy saving sine-wave modulation. This makes it suitable for driving motors ranging from 5W to 75W in various types of industrial, robotics and automotive applications.

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