MAX17108EVKIT+

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The MAX17108EVKIT+ is an evaluation kit from Maxim Integrated designed to provide system designers with the necessary components required to evaluate the MAX17108 High-Efficiency, Adaptive-On-Time Synchronous Step-Down Controller.

The MAX17108EVKIT+ includes two boards and the necessary components to create a maximum power point tracking (MPPT) solution with an open drain configuration. The boards consist of a main board with the MAX17108, a plugin board which provides the power Mosfet, inductor, and the sense resistor, and a MAXREFDES7A shield board which provides additional passive components. This combination provides a complete MPPT solution with adjustable switching outputs.

The main board includes the MAX17108 IC, which is a high-efficiency, adaptive-on-time synchronous step-down controller. It features adaptive-on-time control that reduces output ripple without incurring a switching frequency penalty. With this control scheme, it can achieve a maximum efficiency of 97% while maintaining a switching frequency of 400 kHz. It also includes features such as adjustable switching frequency and pulse frequency modulation (PFM) for low-load applications.

The plugin board includes the power MOSFET, inductor, and sense resistor which are necessary components for an MPPT solution. The inductor acts as a filter to shape the output current. The sense resistor is used to provide feedback to the MAX17108 IC and provides a measure of the output current, allowing the controller to adjust the switching output. The power MOSFET is used to regulate the output current, ensuring that the output voltage remains within the desired range.

The MAXREFDES7A shield board provides additional components to complete the MAX17108EVKIT+. It provides a voltage reference, thermal pad, and ESD protection device. The voltage reference is used as a reference voltage for the MAX17108, while the thermal pad offers additional thermal protection for the device and its components. The ESD protection device helps protect against electrostatic discharge.

The MAX17108EVKIT+ is a versatile and comprehensive system for evaluating the MAX17108. It is an ideal test platform for system designers who need an MPPT solution with adjustable switching frequency and pulse frequency modulation capabilities. Its combination of the MAX17108 IC and the additional components on the plugin and shield boards provide a complete and robust solution. It is also suitable for use in a variety of applications such as automotive, industrial, and consumer electronic devices.

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