MAX17102EVKIT+

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The MAX17102EVKIT+ is an evaluation board considered under the category of Evaluation Boards – DC/DC & AC/DC (Off-Line) SMPS. This board is a development tool designed to demonstrate the capabilities of the MAX17102/MAX17103 COT step-down converters. COT architecture helps reduce the external components count in comparison to traditional PWM converters while consuming less power (than traditional PWM) during light load conditions which contributes to conserve maximum energy.

The MAX17102EVKIT+ consists of a MAX17102EVSYS main board as well as a TJPES50-2450ACDC AC/DC wall adapter to power the converter. The board features a synchronous step-down output voltage range from 0.5V to 5V. The on-board ultra-low quiescent current (0.5μA) regulator featuring Load Disconnect allows seamless transitions between active-mode and standby mode. The board also offers additional features such as a NODRV flag that disables both external and internal drivers (MAX17102 only) for power savings, two selectable external shutdown modes, power-good indication, and over-temperature protection. Finally, an RJ-45 connector enables remote programming of the parameters over the Ethernet.

The highly efficient COT topology of this board operates in fixed-frequency current-mode to control the output voltage. It also provides voltage stability over a wide dynamic load range and excellent line and load regulation. The on-board logic includes the majority of features supported by the MAX17102/MAX17103 devices, such as soft-start, over-temperature protection, and various fault-handling modes. The MAX17102EVKIT+ is designed to be powered from a TJPES50-2450ACDC adapter that delivers a 24 Vdc input voltage.

The power-good comparator monitors the main output voltage and indicates when the output is within 10% of the target value. The MAX17102EVKIT+ is capable of providing at least 5A(RMS) of load current with a maximum duty cycle of 70%. This device is ideally suited for various applications such as industrial and automotive. It also allows testing and evaluation of the MAX17102/MAX17103 in a pre-assembled configuration so that the user can quickly and easily configure the board for their specific needs.

In conclusion, the MAX17102EVKIT+ evaluation board offers a variety of features such as an ultra-low quiescent current regulator, adjustable soft-start, power-good indication, and over-temperature protection for the MAX17102/MAX17103. This board demonstrates the capabilities of the MAX17102/MAX17103 COT step-down converters in a wide variety of applications with exceptional power efficiency and cost-effectiveness.

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