RT9027AGS

PMIC - Motor Drivers, Controllers

RT9027AGS is a two-phase stepper motor driver and controller developed by Richtek. This PMIC is designed to provide fixed on-time current control and minimize control overhead. It features a wide input voltage range, low RDS(on) ROSH output MOSFET, a wide variety of protection features and is certified for automotive applications. With its high efficiency, fast-decay and better control accuracy, this PMIC is suitable for a variety of industrial, commercial and consumer applications.

Application Field

RT9027AGS offers an improved design which helps to reduce costs, improve efficiency and improve performance in the motor drive, control and system level applications. It is suitable for a variety of motor applications such as motor-wireless control, smart toy and remote-controlled vehicles, LED TV movements, air conditioning and other home appliance stepper motor applications. The RT9027AGS can be used for applications that require 2-phase drive, single-phase drive and also for applications that require a combination of both. It is ideal for stepping motor applications that require high efficiency and low overall heat dissipation.

Working Principle

The RT9027AGS is an advanced two-phase stepper motor driver and controller. It uses an advanced current regulation scheme to achieve low current noise and EMI levels. This PMIC integrates two high-efficiency driver circuits and supports a wide input voltage range of 4.5V to 16V. The current regulation scheme works by monitoring and adjusting the phase current in order to achieve a specified phase current and frequency. In addition, the RT9027AGS offers advanced protection features to ensure reliable performance and protecting the RT9027AGS during faults and overload conditions.

The RT9027AGS also uses advanced technology to minimize the control overhead. It includes a micro-processor, on-chip ADC and DAC, as well as PWM you can manipulate the motor performance. The RT9027AGS also supports pulse decay detection, which helps them manage the motor’s position. This feature, combined with the micro-processor, helps to ensure smooth and reliable performance.

The RT9027AGS is a great choice for applications that require high efficiency, reliable performance and long life. By using advanced technology, the RT9027AGS provides industry-leading efficiency and advanced protection features, ensuring reliable operation in all applications.