LH157L01

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LH157L01 application field and working principle

The LH157L01 is a versatile programmable motor controller developed by the company “Pang Ke”. It is mainly used in the field of driver control in electric vehicles, smart homes, smart robots, and other fields of automation control. It can realize a variety of motion control applications, such as speed, position, torque, and double loop control.

The LH157L01 is a programmable three-phase motor controller based on a single-chip processor capable of receiving instruction commands (CAN bus/RS-232/JTAG/LCD internal program). The internal processor mainly includes a CPU, AD converter, flash memory, and digital signal processor. Through the internal electronic switch, the controller can realize reverse connection protection and parameter detection of the connected motor.

The working principle of the LH157L01 mainly includes the following aspects:

• Receiving instructioncommands
  • IncludingCAN bus/RS-232/JTAG/LCD internal programming.
• Internal processing
  • The internal processor carries out the analysis and execution of instruction commands.
• Motor driving
  • The controller is connected to the three-phase motor through several power MOSFETs, and the driver current is adjusted by the PWM wave.
• Motor protection
  • The controller can detect and set parameters such as rotor locking, overcurrent, overheat, overvoltage and undervoltage protection to extend the service life of the motor.

In addition to the main control functions, the LH157L01 also provides the functions of CAN bus communication, data logging, parameter setting and power management. The functions of CAN bus communication, data logging, and parameter setting can improve the process control accuracy of the motor, while the power management function can reduce the power consumption of the system in standby mode, thus expanding the application range.

In terms of performance parameters, the LH157L01 can realize current output up to 40A (peak value). Its maximum working voltage is 400V, and the waveform distortion is less than 20%. At the same time, it also has strong anti-interference performance, and its PWM frequency is up to 16KHz.

In summary, the LH157L01 has strong performance and powerful functions. It has a wide range of applications in electric vehicles, smart homes, smart robots and other industries. Not only can it control the motor to realize various motion control applications, but it can also reduce the system power consumption in standby mode, which greatly expands its application range and scope.

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