LV8800V-MPB-E

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The LV8800V-MPB-E is a part of the LV8800 family of motor and power ICs. It is a highly efficient and integrated solution for motor and power control applications. This device provides true closed loop Field-Oriented Control (FOC) and current/voltage feedback to ensure accurate motor control. It utilizes reduced-CPU performance for a low-cost, efficient solution for motor control. The LV8800 is designed for integration and system optimization in DC brush and brushless DC (BLDC) motor applications.

LV8800V-MPB-E Application Field

The LV8800V-MPB-E is ideal for pulse width modulation (PWM) motor control applications such as industrial automation, medical equipment, HVAC systems, and robotics. The device also supports a wide variety of motor types, including permanent magnet synchronous motors (PMSMs), three-phase BLDC motors with Hall/encoder sensors, two-phase stepper motors, and DC brushless motors. Additionally, the LV8800 provides various levels of protection, including over-voltage and under-voltage protection, over-current protection, over-temperature protection, and motor stall protection.

LV8800V-MPB-E Working Principle

The LV8800V-MPB-E uses a typical 3-shunt-PA current sensing topology with an integrated 24-bit ADC for feedback, providing an accurate and reliable vector control. It works on the closed-loop principle that requires signals from the motor’s electromagnetic field (EMF) to determine the motor speed. The EMF signal is sensed through three complementary power switches that are driven by the integrated PWM driver to form a three-phase bridge circuit. This bridge circuit converts kinetic energy from the motor into electrical power. The LV8800V-MPB-E then has the ability to adjust the motor drive using feedback information, enabling efficient motor control.

The LV8800V-MPB-E is also equipped with a current-limited feature that allows it to accurately monitor and regulate the motor’s current, ensuring that the motor does not draw more than the rated current. The device includes a real-time clock (RTC) that can be used to set timed delays or scheduled motor performance, as well as a built-in timer to aid in motor operations. The LV8800V-MPB-E also has a built-in high-efficiency buck converter that can be used to generate the power rails for the motor controller.

Conclusion

In conclusion, the LV8800V-MPB-E is an ideal solution for motor control applications. It offers integrated FOC, current and voltage feedback, protection, real-time clock, and power rails to provide a highly efficient and integrated solution for motor control applications. The device works on the closed loop field-oriented control principle to provide accurate motor control. It is a low cost, efficient solution for motor control applications.

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