LV8728MR-AH Integrated Circuits (ICs)

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PMIC, or Power Management Integrated Circuit, describes a range of specialized integrated circuit devices that provide power management functions. Among these functions are power conversion, voltage regulation, current regulation, and monitoring. The LV8728MR-AH is one such device and is used in a variety of applications requiring high-performance and accurate power management. This article will discuss the application field and working principle of the LV8728MR-AH.

Application Fields of the LV8728MR-AH

The LV8728MR-AH is a dual motor controller and driver IC designed to provide high-precision motor control and flexibility. It is suitable for any motor system requiring fast and smooth control, such as electric and hybrid vehicles, drones, automatic door openers, 3D printers, and various industrial and consumer products. Thanks to its integrated current sensing, the LV8728MR-AH can provide precise current regulation, allowing more precise and efficient motor control. It also features advanced protection functions to protect the motor, power supply, and control system from damage due to overcurrent, overvoltage, and temperature.

Working Principle of the LV8728MR-AH

The LV8728MR-AH has two motor control channels, each with a dedicated PWM (pulse width modulation) input. When a PWM signal is applied, the LV8728MR-AH regulates the motor speed by changing the ON and OFF time of the MOSFETs according to the PWM\'s duty cycle. In addition, the IC monitors the current flowing through the motor at all times, enabling precise current regulation. This allows the IC to precisely control the motor even under high-load conditions.

In addition, the IC can detect voltage and temperature changes, and can automatically reduce the motor speed or shut down the motor in the event of an overcurrent, overvoltage, or over-temperature condition. This helps to protect the motor and power supply/control system from damage caused by excessive current or voltage.

Conclusion

In conclusion, the LV8728MR-AH is a high-performance and precise motor controller and driver IC suitable for use in applications requiring fast and smooth control. Its integrated current sensing, advanced protection functions, and precise current regulation enable greater efficiency and reliability for motor systems.

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