NCV7702BDWG

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NCV7702BDWG is a motor driver, controller, and protection device from the automotive integrated power module (APM) product line of ON Semiconductor. Designed for automotive applications, the device enables power designs to deliver better efficiency and reliability, with more features and less components. The device integrates an array of solutions for DC brushed and brushless DC (BLDC) motor control, as well as protection features, making it suitable for automotive applications such as door actuator, window lift, and seat adjusts.

The core of the device is an application-specific integrated circuit (ASIC) with a variety of integrated blocks, such as a PWM and LIN tranceiver, bimorph motor control architecture, input/output protection (IEC 62133-1, IEC-FAKER), I/O buffering, external high-current DMOS outputs, etc. The ASIC also offers a complete fault detection and protection system, with latch-off protection, over-temperature protection, short circuits and over-current protection.

The NCV7702BDWG provides an efficient power solution for automotive applications. It features dual axis brushless motor control with synchronous rectification. voltage and current sensing for brushed and brushless DC motors, as well as a dual DC-DC converter for bi-directional power conversion. The device also offers independent speed control of two brushless motors, and supports automatic current limiter and voltage monitoring. Moreover, the device is compatible with internal micro-controller units (MCU) and external motor control units (MCCs), allowing it to provide advanced motor control techniques.

The working principle of the NCV7702BDWG device is simple. The integrated PWM voltage regulator generates a series of pulses with varying widths, and these are used to drive a switcher. Depending on the width of the pulses, the switcher applies different control inputs to the motor. The control inputs are used to adjust the speed, torque, and direction of the motor, as well as to enable and disable the motor.

The device also features a variety of protection features, such as over-current, over-temperature, ESD, and short-circuit protection. The protection features help ensure that the device is able to operate safely and reliably in harsh automotive environments. Additionally, the device is designed to include a built-in diagnostics system that enables the user to identify faults and to protect the system from potential damage caused by such faults.

In conclusion, the NCV7702BDWG is a versatile motor driver, controller, and protection device with a wide range of application in automotive applications. Its integrated control, protection, and diagnostic features, as well as its efficient power solution, make it well-suited for a variety of automotive applications. Furthermore, its simple working principle makes it easy to use, ensuring that it can be used quickly and reliably in any automotive environment.

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