PM15RSH120

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Power Driver Modules

PM15RSH120 is a power driver module manufactured by Powerex, Inc. The device is a step-down chopper motor with a maximum power rating of 15A. Its main purpose is to provide efficient, cost-effective control of motors in automotive, industrial, and medical applications.

The module features an adjustable input voltage range from 10V to 60V, and adjustable output voltage from 1V to 15V. Its switching frequency is adjustable from 200MHz to 2GHz, and it has an operating temperature range of -30°C to +105°C. It has a power density of 17.67W/cm3, which makes it one of the most efficient devices available in the market.

Application Field and Working Principle

The PM15RSH120 can be used in a wide range of applications, such as controlling power in vehicles, medical equipment, industrial machines and robots. Its uses can be divided into two categories: Variable Speed Motor Control (VSMC) and Constant Speed Motor Control (CSMC).

In VSMC applications, the module is used to control the speed of the motor. It does this by regulating the input voltage to the motor by using Pulse Width Modulation (PWM) control. This control technique allows the user to adjust the speed of the motor, thereby increasing or decreasing the power output. This method of speed control is useful in a wide range of applications, such as in the automotive or industrial industries, where safety and efficiency are of paramount importance.

In CSMC applications, the module is used to regulate the output voltage of the motor. The module uses a Linear Mode Control (LMC) circuitry to regulate the output voltage. This is done by monitoring the voltage and current of the motor and comparing it with a given reference voltage and current. If the voltage or current of the motor goes above or below the reference values, the module will adjust the output voltage accordingly. This ensures that the motor runs at the desired speed, and is useful for applications like medical instruments and robots where precise control is required.

Overall, the PM15RSH120 is a highly efficient power driver module that is capable of providing safe and cost-effective control of motors in a range of applications. Its adjustable input voltage range, adjustable output voltage, switching frequency, and power density make it an excellent choice for controlling motors in both VSMC and CSMC applications.

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