NJM3717FM2

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Motor controllers are a type of electrical device designed to control and direct the motion of electric motors. Microcontroller based motor controllers are amongst the most common type of controllers found in use today. The NJM3717FM2 is an integrated system composed of several active devices such as MOSFETs, bi-directional switches, comparators, level shifters, start control logic and drive circuits. This motor driver provides efficient, integrated motor control over a wide range of current levels in single package.

The NJM3717FM2 is a direct replacement of conventional 1-2 or 2-1 motor driver controllers with integrated MOSFETs and drive stages, which reduces the system design complexity and size. It also provides low-voltage sensing, current sensing, and provides signal inversion and drive sequencing to minimize the overall system complexity. The NJM3717FM2 features a 10-bit resolution on-chip DAC, enabling multiple control modes, from linear to speed and position control.

The NJM3717FM2 is an ideal solution for applications that require the control of low- voltage motors, such as cooling fans, pumps, actuators, and solenoids. It is also an ideal solution for home and industrial automation systems, 3D printers, robotic vacuum cleaners, washing machines, dishwashers, vending and ticketing machines, as well as industrial controls.

The NJM3717FM2 has a wide range of motor drive interfaces and a protected power stage which ensures reliable performance in noisy environments. It has regenerative drive support and provides a low-jitter synchronized output. This motor driver has the ability to extend the current and to regenerate it, allowing it to achieve higher start/acceleration rates which result in shorter response times.

The NJM3717FM2 is easy to configure, leading to a fast development time as it requires no external components, integrating signal processing and motor control functions into a single integrated device. This motor driver is capable of providing smooth, continuous motion control with fast start/stop and direction change capabilities. Reliable and erosion-resistant, the NJM3717FM2 is designed for longevity and reliability in the most challenging environments.

NJM3717FM2’s working principle is based on a two-phase inverter that controls the power transistors and provides a predetermined speed to the motor according to the feedback of the rotation detection which is compared to the given reference speed. It uses pulse-width-modulation (PWM) to control the voltage across the motor and speed and direction of the connected motor. By adjusting the PWM signals, the motor’s speed and direction can be precisely controlled and regulated.

The NJM3717FM2 includes a pro-grade power management system, current limiter, a safety shut-down function, over-voltage and over-current protection, among other features. It operates at a wide range of input voltages, and offers integrated gate drivers as well as 2-phase high-side and low-side MOSFET drivers. The NJM3717FM2 also offers reliable operation in extreme environmental conditions, vibration and shock resistance enabled through its robust internal circuitry.

In conclusion, the NJM3717FM2 is a low-cost, high-performance motor driver for controlling small, low-voltage motors. It features integrated power transistor drivers, current sensing, and a variety of integration features that make it a suitable solution for small-scale, low-voltage motor driver applications. The NJM3717FM2 can be used in a variety of applications from home and industrial automation to robotics, vending machines, and other motor-driven systems. Its small form-factor and easy configuration make it an ideal choice for these types of applications.

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