NJM3773D2 Integrated Circuits (ICs)

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PMIC, or power management integrated circuits, are an essential component of nearly all electronic products. The NJM3773D2 is a power management integrated circuit designed for motor control applications. This article will discuss the application field and working principle of the NJM3773D2.

The NJM3773D2, a member of the NJR NJM3773D2 series, is a low-voltage stepper motor control IC, designed for use in a wide variety of applications such as motor control, step motor control and brush DC motor control. This integrated circuit is suitable for controlling a motor with a pulse signal, and can also be used to control artificial fire, fountains and small electric fans. It offers high degree of performance and flexibility and is capable of operating at a low voltage.

The NJM3773D2 provides a high degree of control for the motor, offering a wide range of features such as proportional control and phase setting. It also offers a range of protection features that help to protect the power supply and circuitry from damage, offering overcurrent protection and over-temperature protection. In addition, it has a low power consumption design, making it suitable for use in battery-powered applications.

In addition to the protection features, the NJM3773D2 offers a variety of working modes that regulate the motor’s speed and direction, depending on the input signals. The device has 8-bit resolution, which allows it to provide precise control over the motor’s speed. Additionally, the device is capable of working in different pulse-width modulation (PWM) modes, allowing users to adjust the motor’s speed precisely.

The NJM3773D2 also has a built-in step motor and encoder control, which helps to control the pulse train output and help to control the natural oscillations of the stepper motor. This feature helps to improve the accuracy of the control, enabling users to achieve a more precise motor control. It also has built-in dead-stop function, which allows it to stop the motor from turning in either direction. This feature also helps to protect the motor from operating in an unstable state.

To help users achieve faster control of the motion of the motor, the device also includes an onboard pre-driver. The pre-driver adjusts the current output of the motor to ensure smooth operation, ensuring faster acceleration and deceleration. It also helps to reduce the total power consumption of the device, making it suitable for battery-powered applications.

In addition to its motor control capabilities, the NJM3773D2 also offers some general protection features. It has an internal thermal protection circuit, which helps to protect the device from overheating, and an overcurrent protection circuit, which helps to protect the power supply and circuitry from damage. This integrated circuit also includes a low-impedance power supply input, which provides a good surge protection for the power supply and protects it from short-circuit and overcurrent.

Overall, the NJM3773D2 is an integrated circuit designed for motor control applications, offering features such as encoder control, PWM based speed control, 8-bit resolution, and integrated protection features. It is suitable for use in a wide range of applications such as motor control, step motor control and brush DC motor control.

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