MAX17690EVKITC#

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The MAX17690EVKITC evaluation kit provides a stable power supply solution for medium-power applications powered from an unregulated input voltage of 5.5 V to 48 V. This evaluation board includes all of the necessary components for setting up and testing the MAX17690, which is the primary component in the kit. The MAX17690 is a highly-integrated DC-DC synchronous buck converter that features fast transient response, low ripple, and accurate current-mode control for superior dynamic performance. The MAX17690EVKITC also includes an AC wall adapter and all of the necessary components to connect it to the evaluation board, making it easy for the user to evaluate the features and performance of the MAX17690.

The MAX17690EVKITC board is engineered to simplify the design-in process of the MAX17690 in a variety of applications. The included AC adapter makes it easier to evaluate the performance of the regulator in a production environment. Other features designed to make the evaluation process easier include the two onboard DC power supplies, voltage monitoring pins, and a full complement of external components for configuring the MAX17690 to the required application.

The MAX17690EVKITC board is intended to be used in applications such as industrial and consumer applications, automotive, telecom, computing, and other embedded systems. The board supports a wide range of operating input voltages, from 5.5 V to 48 V, and a wide range of output voltages, from 0. 8 V to 5 V. It can be programmed through an I2C interface, enabling additional flexibility and customization.

The working principle of the MAX17690EVKITC board is based on a synchronous buck converter. The onboard buck converter is an efficient regulator that converts input power from an unregulated voltage source into a regulated output voltage. The converter consists of an inductor, switch, power diode, energy-storage capacitor, and loop-compensation resistors and capacitors. In the MAX17690EVKITC board, the input voltage is applied to the VIN and GND pin on the MAX17690 IC. The VOUT pin provides the desired output voltage. The MAX17690 can also be programmed through the I2C port for customizing the output voltage.

When the input voltage is applied, the MAX17690 starts the regulator control loop. The IC starts to control the switching cycle of the onboard Buck Convertor using an external clock signal to turn the switch on and off. During the on-time, a fixed voltage across the inductor is maintained by sensing the current through the inductor. This current is compared with the voltage of the reference, and an error signal is generated. This signal is then used to adjust the pulse-width of the switches to maintain a constant output voltage level.

The MAX17690EVKITC evaluation board features an on-board balancing oscillator, bypass capacitors, and current-sense resistor. The on-board balancing oscillator is used to control the on-time of the switch, and the external bypass capacitors prevent the output voltage from sinking at high frequencies. The current-sense resistor is used to monitor the drain current of the switch and can be used to protect the circuit in case of overload or undercurrent conditions. The board is also equipped with a trimable reference voltage, enabling it to be used for different applications with different output voltage levels.

The MAX17690EVKITC evaluation board is highly versatile and can be used for a variety of applications, including industrial and consumer applications, automotive, telecom, computing, and other embedded systems. It provides a fast response time and accurate current-mode control for superior dynamic performance, and is easily programmed through an I2C interface. The included AC adapter simplifies the evaluation process, making it easy for the user to evaluate the features and performance of the MAX17690.

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