MAX17500BEUB+

PMIC - Voltage Regulators - DC DC Switching Controllers

The MAX17500BEUB+ is an integrated, high step-up, DC-DC power switch controller operating from 4.5V to 60V inputs and is capable of delivering an output voltage up to 80V. It can deliver up to 150mA of output current and it is intended to be used in industrial, automotive, and communications applications.The MAX17500BEUB+ offers a wide range of features, such as an input voltage range of 4.5V to 60V, a switching frequency of up to 2MHz, and a wide range of output voltage settings, making it an ideal choice for industrial, automotive, and communications applications.

Application Field

The MAX17500BEUB+ is ideal for applications such as automotive electronics, industrial power supplies, medical electronics, cell phone audio, and digital power supplies. The MAX17500BEUB+ can be used for a wide range of applications, ranging from switch mode power supplies for AC/DC converters to low-power boost converters for portable devices.

The MAX17500BEUB+ also supports high-voltage, high-current automotive and industrial power systems, enabling designers to develop robust and reliable power supplies in a variety of applications. This controller can also be used in industrial robots and motor control systems, where it can provide efficient power conversion and regulation.

The MAX17500BEUB+ features a wide range of features, including protection features to reduce system complexity, minimize component count, and enable designers to implement efficient, low-cost power systems.

Working Principle

The MAX17500BEUB+ controller is a current-mode, voltage-mode switching controller with a minimum on-time of 150ns. It is designed to generate an output voltage from 4V to 80V, with an external control voltage ranging from 0.5V to 4V. It works by controlling the voltage and current of the output by sensing the voltage and current of the input through an external resistive divider.The operating principle of a DC-DC switching controller is simple. The controller controls the switching of a power MOSFET or IGBT device by sensing the voltage or current of the input and output. The controller then turns on and off the device to keep the output voltage or current constant.The MAX17500BEUB+ employs an advanced current-mode control loop to maintain the output voltage or current. It also has an adjustable soft start time, allowing for smooth transition from no load to full load. The controller also has an adjustable switching frequency, allowing for a range of frequencies from 20kHz to 2MHz. Additionally, the controller has various protection features, designed for safe and reliable operation.The MAX17500BEUB+ also has several features to reduce system complexity and minimize component count. It includes shutdown mode, short circuit protection, and brown-out protection. It also has an internal soft start protection, allowing the system to ramp up the output voltage in a smooth manner. Additionally, the device is compliant with the I2C standard, allowing for communication between the controller and the system.

The MAX17500BEUB+ is a reliable, high performance DC-DC switching controller which can be used in a variety of applications to efficiently provide power conversion, protection, and advanced features in an easy to use package.