ZMR500C Datasheet/PDFZMR500C is a high power monolithic linear regulator specifically designed for Pulse Width Modulation (PWM) of Brushless DC Motors (BLDC). It consists of a wide input voltage range, low dropout voltage and adjustable output voltage. Its low dropout voltage ensures that the motor is driven efficiently, even with a low current. This regulator also features an ultra-fast transient response, allowing it to confidently start up motors without any thermal protection.
Application Field
The ZMR500C is a high performance integrated circuit designed to convertpulse width modulation using brushless DC motors of up to 500 Watts. It is often used in applications such as air and space propulsion, automotive systems, industrial automation, motion control and robotics.
The ZMR500C is especially beneficial for motor applications that require fast startup and dynamic performance, such as those controlled by a PC. The ZMR500C also has a wide input voltage selection and adjustable output voltage, making it suitable for a variety of motor types.
Working Principle
The ZMR500C works by converting a dc input voltage into a variable duty cycle to control a brushless DC motor. The input voltage is converted into high frequency PWM control signals, which are then applied to the motor. The duty cycle of the PWM signal is determined by a comparator circuit inside the regulator. When the motor speed exceeds a certain set value, the comparator circuit reduces the duty cycle, resulting in depression in the motor velocity and power consumption.
The adjustable output voltage feature of the ZMR500C equation enables the user to select from a range of predetermined output voltages, and the adjustable output voltage helps to ensure the optimized speed of the motor. The high power rating and wide input voltage range of the ZMR500C make it an ideal choice for high-performance applications ranging from consumer electronics to industrial automation.
Summary
The ZMR500C is a high power monolithic linear regulator specifically designed for Pulse Width Modulation (PWM) of Brushless DC Motors (BLDC). It has a wide input voltage range, low dropout voltage and adjustable output voltage and is commonly used in applications such as air and space propulsion, automotive systems, industrial automation, motion control and robotics. The ZMR500C works by converting a dc input voltage into a variable duty cycle to control a brushless DC motor, and the adjustable output voltage feature enables the user to select from a range of predetermined output voltages. The high power rating and wide input voltage range of the ZMR500C make it an ideal choice for high-performance applications.