Power Supply Controllers and Monitors are designed to manage and regulate power supply systems in electronic devices. Controllers are responsible for controlling the operation of power supplies, adjusting voltage and current levels, and providing protection features such as overvoltage and overcurrent protection. Monitors measure various parameters of the power supply, such as output voltage, current, and temperature, providing feedback to the controller for accurate regulation and monitoring. Advanced controllers and monitors with higher current handling capacities, precise regulation, and additional features like remote monitoring or digital interfaces may have higher price points compared to basic models with standard functionalities. When purchasing these controllers and monitors, consider the specific requirements of your power supply system. Determine the voltage and current ratings, regulation accuracy, feedback mechanisms (analog or digital), protection features needed (e.g., overvoltage, overcurrent), and interface compatibility with your microcontroller or system. Evaluate factors such as efficiency, standby power consumption, response time, and temperature range for reliable operation in your application.