LC898214XD-MH

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LC898214XD-MH application field and working principle

LC898214XD-MH is a motor driver, controller, and integrated circuit IC, developed and manufactured by Sanyo Electric Co., Ltd. It is a PWM-driven multi-functional IC device, used in various motor control and applications, such as mobile phones, digital cameras, and other multimedia products.

Applications:

LC898214XD-MH is used as a motor driver in mobile phones, digital cameras, and other multimedia products. As an integrated motor driver, it provides several high-performance functions and features. It can deliver PWM-based micro stepper motors for image stabilization, autofocus, zoom control, and shutter control. In addition, it also supports a variety of integrators and DACs for digital control and analog measurements. Furthermore, it integrates several other peripherals, such as load switches, regulators, and GPIO/I2C interfaces, to provide easy and convenient connections to system.

Features:

LC898214XD-MH is a high-performance motor controller and driver. It offers several features that make it unique, such as adjustable voltage and current limiting, programmable switching frequencies, and integrated EMC protection. Moreover, it can be used in variety of applications such as camera lens focus and shutter control, camera shutter control, CD/DVD recording and playback, and other auto-focus and zoom applications.

Working Principle:

The working principle of LC898214XD-MH is based on the principle of pulse width modulated (PWM) motor control. The IC is designed to drive stepper and other motors using a PWM-based control signal. The IC controls the drive voltage and current to the motor terminals, providing a constant pulse signal of specific duration and amplitude to control the speed and direction of the motor. The PWM signal is generated by an external clock, which is then translated into the appropriate voltage and current signal for the motor.

In this system, the voltage and current across the motor terminals are regulated by the PWM signal. When the PWM signal is high, the voltage and current across the motor terminals are increased, and when the PWM signal is low, the voltage and current across the motor terminals are decreased. This regulation of voltage and current at the motor terminals provides a constant speed and torque to the motor. The PWM signal is generated using an external clock, which is then translated into the appropriate voltage and current signal for the motor.

Conclusion:

LC898214XD-MH is a motor driver, controller, and integrated circuit IC, used in mobile phones, digital cameras, and other multimedia products. It provides several high-performance functions and features, such as adjustable voltage and current limiting, programmable switching frequencies, and integrated EMC protection. It uses a PWM-based control signal to drive stepper and other motors. The IC controls the drive voltage and current to the motor terminals, providing a constant pulse signal of specific duration and amplitude to control the speed and direction of the motor.

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