MAX8844YETD+T

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The MAX8844YETD+T is a multifunction Power Management Integrated Circuit (PMIC). It features a linear battery charge controller, industry’s lowest quiescent current, an adjustable current regulator, and an LDO voltage regulator, in addition to a timekeeper and general purpose I/O. The assortment of components results in a versatile, programmable device for use in mobile and portable applications, such as those requiring simultaneous battery charge and system power.

The MAX8844YETD+T has a primary application in battery charging, and it is a popular choice for portable and low-power systems due to its low quiescent current and efficiency ratings. The device is offered in compact WLP and ultra-small CSP packages, making it ideal for space-constrained applications.

Working Principle

The MAX8844YETD+T features a programmable linear battery charger with overvoltage protection. It features an adjustable charge current limited, which allows it to be tailored to the specific application. The charger monitors the battery’s voltage level and adjusts the current draw accordingly to provide optimum charge levels with minimal energy consumption. The adjustable voltage regulator allows the system to adjust the supply voltage to power other devices. The chip also has a low dropout regulator, which helps reduce noise and power consumption.

The MAX8844YETD+T also includes a timekeeper circuit that can be used to generate timing signals, and a general-purpose I/O interface for communication with other systems. This I/O port can be used to provide real-time status information about the battery charge state, and to control other system components.

Conclusion

The MAX8844YETD+T is a comprehensive power management integrated circuit that is suitable for battery charging and system power applications. It features a programmable linear battery charger, a low-dropout regulator, and a timekeeper and general purpose I/O. The device has an adjustable voltage regulator and power management features, which make it an ideal choice for low-power, space-constrained applications.

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