MAX8998EVKIT+

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The MAX8998EVKIT+ is an evaluation and demonstration board that features Maxim Integrated’s MAX8998 Power Management Integrated Circuit (PMIC). Specifically designed for the power management requirements of smart phones, tablets, and other multimedia systems, the MAX8998EVKIT+ board contains an integrated circuit, IO pins, resistors, capacitors, and other components that will allow the user to evaluate and demonstrate what this particular PMIC is capable of.

The MAX8998 PMIC enables highly integrated, adaptive system power management, resulting in an optimized power-efficient design with minimized component count. The IC simplifies the design process by providing all necessary power-management functions ranging from power-source selection to generation of multiple voltages, thereby avoiding the need for designers to interface with multiple separate voltage regulation ICs.

The MAX8998EVKIT+ board itself provides power to the device, it can be supplied with either USB or AC power depending on application needs. The board contains the MAX8998 IC, IO pins, various passives, and a micro USB connection for power. It is further equipped with LED indicators for power, and was designed to provide a fast and simple way to evaluate the MAX8998 IC. Aside from this, the board also introduces exploration of all the features and functions the integrated circuit offers while also demonstrating how to use its output current values to generate specific input power supply voltages for the corresponding application.

The MAX8998 IC is especially fitted for applications that require both Li-Ion and Li-ion Polymer battery support. It responds to different loads and input sources by automatically providing the correct power stabilizing condition. The package also adjusts the output voltage(s) depending on the loads, offering great flexibility to designers. The MAX8998 operates over a wide input voltage range (2.35V to 5.5V) and provides output voltages ranging from 0.6V to 3.6V. A built-in power path controller manages the powertrain, allowing fast and safe transitions between system power sources.

The MAX8998 also offers additional useful features and functions, such as an adjustable RGB LED controller, fast charging for both Li-Ion and Li-polymer batteries, boost converter, on-the-fly input voltage monitoring, low-dropout converters, slew-rate control, adjustable peak current control, a maximum battery voltage monitor, a battery voltage monitor, and an adjustable power-good delay. With the MAX8998EVKIT+ board, it is possible to experience and better understand the many practical applications of the MAX8998 IC.

The board also supports both low and high power devices and provides support for buck, boost, boost-buck, reverse buck, battery charger, power path, as well as multiple power-supply monitoring and control features. In addition, the board supports several different sizes of Li-Ion and Li-Polymer batteries, offering designers a range of choices for their application. The board further allows users to control an LED for charge indicator purpose, as well as automatically adjusting the input voltage depending on the load.

As an evaluation board and demonstration tool, the MAX8998EVKIT+ board provides a great platform for experimenting and testing the MAX8998 IC features and application possibilities. It is an efficient tool to quickly explore and learn the capability of power-management for multimedia systems, smart phones, and tablets, allowing the user to make informed design decisions before implementing a product with the IC.

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