MTCH810-I/MF Integrated Circuits (ICs)

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Motor drives, controllers and power management integrated circuits (PMICs) have become foundational components for successful autonomous systems, including robotics, industrial processes, HVAC systems and more. MTCH810-I/MF is an advanced PMIC-Motor Driver, Controller integrated circuit from Microchip that is widely used for these applications. This article provides a general overview of the MTCH810-I/MF, including its application fields and working principle.

Applications of MTCH810-I/MF

The application field of MTCH810-I/MF include motor control, power supply and energy control. For motor control, MTCH810-I/MF supports Resonant/Soft-Switching motors, such as Permanent Magnet Synchronous Motors (PMSMs) and Brushless DC motors (BLDCs). These motors can be used in HVAC systems, robots, industrial applications and more. MTCH810-I/MF can also be used to control brushless servomotors for motion control applications, like trackers and gimbals. For power supply, MTCH810-I/MF can be used in line-powered AC/DC power supplies, such as smart plug-in AC adaptors and solar inverters. It can also be used for offline power supplies, including AC/DC adaptors, UPS and home automation systems. Finally, MTCH810-I/MF is suitable for energy control applications, including PV microinverters, home energy management systems and electric vehicle powertrain management systems.

Working Principle of MTCH810-I/MF

MTCH810-I/MF is a three-phase, high-precision, PWM-controllable motor driver. It includes a three-phase bridge power stage, a phase-locked loop (PLL) circuitry and a low-side current sensing circuit. The bridge power stage includes three H-bridge drivers driving three power MOSFETs. The PLL circuitry includes a ramp-comparing circuit and an oscillator for generating control signal for the power MOSFETs. The low-side current sensing circuit includes a differential amplifier for measuring the current in each phase.

MTCH810-I/MF supports various control methods such as voltage mode, current mode and open-loop. It is able to achieve precise voltage and current control, precise synchronization with the motor speed and precise motor start-up characteristics. The user can adjust the parameters via an external control interface such as I2C. MTCH810-I/MF also provides various features such as overvoltage protection, compensation for environment temperature variation and protection against short-circuit, overcurrent and overtemperature.

Conclusion

In conclusion, the MTCH810-I/MF from Microchip is an advanced PMIC-Motor Driver, Controller integrated circuit that is widely used for motor control, power supply and energy control applications. With its precise voltage and current control, precise synchronization, temperature compensation and various protection features, the MTCH810-I/MF is ideal for many different applications in autonomous systems.

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