NSD-1202-ASST Integrated Circuits (ICs)

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Power management integrated circuits (PMICs) provide the control, voltage regulation and functions necessary to deliver clean power to electronic devices. An important subset of the PMIC family are motor drivers, controllers and regulators, which are essential components of any motor driven system. NSD-1202-ASST is a motor driver, controller and regulator IC specifically designed to offer high efficiency power savings for motor drive applications. This article will explore the application field of the NSD-1202-ASST and its working principles.

Application Field of the NSD-1202-ASST IC

The NSD-1202-ASST is a high-current motor driver IC developed by NSD Labs. This IC is primarily designed to drive the common DC brushless motors and stepper motors used in robotics, HVAC, domestic appliances, and other industrial equipment. It can operate in a wide range of supply voltage up to 80V. The NSD-1202-ASST is able to provide up to 5A peak current to each of its two outputs. It also features a wide range of PWM frequency and amplitude modulation which can be used to adjust the speed of the motor.

The NSD-1202-ASST features a wide range of protection features including thermal overload protection and overcurrent shutdown. It is also highly resistant to common faults such as short-circuits and overvoltages. Furthermore, the IC can be easily configured with an external frequency modulation (FM) signal which simplifies the control of the motor speed.

Working Principle of the NSD-1202-ASST IC

The NSD-1202-ASST is based on the principle of pulse-width modulation (PWM) to regulate the speed of brushless motors and stepper motors. PWM is a widely used technique in motor control applications. It consists of sending a square wave signal with varying widths to the motor. By adjusting the duty cycle (width) of the square wave, the average value of the output current can be varied, hence varying the speed of the motor. This technique provides an efficient way of controlling the speed of the motor without incurring so much power loss.

The NSD-1202-ASST features a wide range of control features to facilitate motor control. It supports two types of frequency modulation (FM) for modulating the PWM duty-cycle. The first type is the internal FM which allows for greater control over the duty-cycle. The second type is the external FM which gives the user the ability to set the PWM duty-cycle using an external frequency modulation signal. In addition, the NSD-1202-ASST supports various current sensing and speed control functions to facilitate more accurate motor control.

The NSD-1202-ASST is also equipped with a range of protection features. It has thermal protection, overcurrent protection and an adjustable overvoltage protection circuit. These protection features helps to protect the IC from damage and help to maintain reliability. Furthermore, the IC also features a fault indicator output which can be used to detect any fault in the system.

Conclusion

The NSD-1202-ASST IC is an advanced motor driver and controller IC designed to provide efficient, reliable and cost-effective motor control. It features a wide range of features and protection functions which make it suitable for a broad range of motor control applications. Its ability to drive a wide range of DC brushless motors and stepper motors makes it the perfect solution for motor driven systems.

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