LB11852FV-W-AH

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Application Field and Working Principle of LB11852FV-W-AH

The LB11852FV-W-AH motor controller is a motor control integrated circuit developed and produced by SANYO Electric Company. It is mainly used for controlling bipolar stepper motors used in various applications providing high accuracy and realizing fast response. 

Features of LB11852FV-W-AH

The LB11852FV-W-AH motor controller includes various features that can be used in various applications. These features include:-  Low voltage operation: The motor controller is suitable for low voltage operation. The operating voltage range is from 7V-36V.- High resolution: The high resolution mode ensures smooth and accurate operation. It supports micro-step resolution up to 256 steps.- Low on-resistance: The low on-resistance feature of the motor controller helps to reduce power loss, resulting in power savings.- Overcurrent protection: The motor controller is equipped with an overcurrent protection function that automatically stops the motor when current exceeds a certain threshold.- Easy start-up: The motor controller\'s self-contained motor start-up circuit makes start-up easier.- Low-EMI operation: The motor controller\'s low-EMI operation helps to reduce electric noise and interference.

Working Principle of LB11852FV-W-AH

The LB11852FV-W-AH motor controller works on the principle of pulse width modulation (PWM). It employs a pair of transistors to control the current flowing through the motor winding, thereby controlling its speed. PWM works by rapidly switching on and off the transistors, thereby producing pulses of current that create a rotating magnetic field in the motor.The motor speed is controlled by the duty cycle of the pulses produced. The higher the duty cycle, the faster the motor rotates. The motor speed can be adjusted by changing the duty cycle of the pulses. The LB11852FV-W-AH motor controller is capable of producing a wide range of duty cycles, thus allowing precise control of motor speed.The LB11852FV-W-AH motor controller also has built-in overcurrent and overvoltage protection features. If the current flowing through the motor exceed a certain limit, the motor controller will automatically shut off and protect the motor. Similarly, if the voltage applied to the motor exceeds a certain limit, the motor controller will shut off to protect the motor and the system.

Conclusion

The LB11852FV-W-AH motor controller is a versatile and reliable motor controller. Its high resolution and low-EMI operation makes it suitable for precise and low-noise motor control applications. The low voltage operation and overcurrent and overvoltage protection functions ensure safe and reliable operation. The self-contained start-up circuit makes start-up easy. It is ideal for precise motor control applications such as printing and medical equipment.

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