MAX8903FETI+

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The MAX8903FETI+ is a pack-charger PMIC designed primarily for Lithium-ion batteries, which combines a full-featured Power Management Integrated Circuit (PMIC) with a high efficiency buck charger in a single, highly integrated device. This device is well-suited for a wide range of consumer electronic applications such as portable navigation systems, digital cameras, and cell phones. It enables fast, safe, and convenient charging of a Li-ion battery from an appropriate AC adapter.

The MAX8903FETI+ allows for the use of existing Li-ion battery packs and can be used in applications that require the implementation of a low power battery with a small number of cells. This enables designers to quickly and easily create battery powered applications, maximizing the life of their Li-ion batteries.

The MAX8903FETI+ features a range of protection features designed to ensure reliable operation of the system while delivering maximum battery life. These features include overvoltage protection, overcurrent protection, overcharge protection, short-circuit protection, thermal shutdown, and reverse current protection.

The MAX8903FETI+ has a dual-mode charging architecture that combines a programmable high efficiency buck direct charger with the power management features of a PMIC. It is designed to charge the Li-ion batteries in either a differential voltage (DVCC) or timer (TC) charging modes.

The DVCC charging mode is optimized for fast charging Li-ion batteries, allowing the charger to reach the full charge voltage quickly. The TC charging mode is best suited for charging Li-ion batteries in applications with limited power availability, such as MP3 players.

The MAX8903FETI+ also includes a full-featured PMIC, which includes dual linear LDO regulators and a single high speed switching regulator for powering the input and battery supplies. This enables the device to power LED backlighting, and provide the power switching and control functions required for a wide range of consumer applications.

The MAX8903FETI+ is designed to operate with a wide range of input voltages, allowing it to be used with a variety of AC adapters. It also supports multiple current levels and can be used with a wide range of Li-ion batteries.

In summary, the MAX8903FETI+ is an ideal solution for powering mobile devices and battery chargers that require a low power solution and high efficiency buck charger. With its wide range of protection features, dual-mode charging architecture, and full-featured PMIC, the MAX8903FETI+ offers a comprehensive solution for powering and charging Li-ion batteries.

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