MAX38902EVKIT#

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Evaluation Boards - Linear Voltage Regulators: MAX38902EVKIT#

A Linear Voltage Regulator (LVR) is a power management component used to maintain a constant voltage level. It is an integral part of any power circuit, either to convert a higher voltage into a lower voltage to match the voltage of a load or to reduce the amplitude of a varying voltage to a constant voltage. The MAX38902EVKIT# evaluation kit provides a versatile and reliable solution for evaluating and prototyping linear voltage regulator products from Maxim Integrated.

Application Field

Maxim Integrated’s linear voltage regulator products are used in a vast range of applications from industrial, automotive, consumer and medical to emerging markets such as Internet of Things (IoT), wearable medical devices and energy harvesting. In particular, the MAX38902EVKIT# evaluation kit is an ideal platform for users who need a wide range of power supply designs suitable for the device’s output current and voltage. For instance, the MAX38902EVKIT# offers two different output voltages (+3.3V and +5V) and three different output current ratings (500mA, 750mA and 1A) to be used in different applications.

The versatile design of the MAX38902EVKIT# provides the user with the flexibility of a wide range of application fields assets, such as battery-powered systems, portable electronics, telecommunications, industrial automation, electric vehicles, and medical instruments. Moreover, the kit can be used as a building block for the development of N+1 redundant systems, such as the power supplies of safety-critical applications in the automotive, medical, and industrial automation sectors.

Working Principle

The MAX38902EVKIT# evaluation kit is based on the MAX38902 power management integrated circuit (PMIC) which can deliver up to 1A of output current. The PMIC is designed to provide regulated voltage with low dropout (LDO) performance while providing superior EMI rejection. The PMIC employs a current-mode topology with a voltage-based control topology, reducing output voltage fluctuations and providing excellent transient response.

The MAX38902EVKIT# consists of two main components: the MAX38902 power management IC and the reference design circuit. The reference design circuit provides the necessary power supply components, such as resistors, inductors, and capacitors, to ensure the stability of the circuit and the proper regulation of the output voltage. The MAX38902 evaluation kit also includes current-sense resistors that allow the MAX38902 to provide accurate current measurements for system monitoring.

The MAX38902EVKIT# is designed to offer easy, fast, and inexpensive prototyping, enabling users to quickly iterate their designs and optimize their circuits for power efficiency and system stability. The MAX38902EVKIT# also provides a visual indication of the continuous operation of the PMIC through an LED, which is located on the evaluation board.

Conclusion

The MAX38902EVKIT# evaluation kit is an excellent platform for developing applications relying on linear voltage regulation. Its versatile design provides the user with a range of options for different application fields and power supply designs. Furthermore, its reference design and PMIC enable fast prototyping and easy system monitoring for both existing and emerging application areas. With these features, the MAX38902EVKIT# evaluation kit is a valuable tool for further optimizing and developing reliable and efficient power management solutions.

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