MAX8903CETI+T

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The PMIC category - Battery Chargers is composed of a variety of devices, including the MAX8903CETI+T, which can be used in a host of applications. This device is designed to provide consistent battery charging, even in the presence of relatively large ripple currents. In addition, the device is equipped with a variety of features designed to ensure efficient charging of single-cell Li-Ion and Li-Polymer batteries.

The MAX8903CETI+T is a complete battery charging controller, featuring an intelligent battery-monitoring system, full system protection and optional USB charging ports. It offers an adjustable charge current up to 1.5A, allowing for charging from a wall adapter or USB power source. Thanks to its 65mV charge voltage accuracy, the device can easily be tailored to match different battery types. Battery temperature monitoring is included to ensure that both the battery and charging system remain safe. Furthermore, the device is enclosed in a tiny 8-pin TDFN package, enabling it to be used in space-constrained applications.

At the heart of the MAX8903CETI+T is a highly efficient Buck converter. This architecture allows for low input voltage regulation and high efficiency. The input voltage regulator accepts a broad range of input voltages, making it suitable for use with a wide variety of power sources. The integrated automotive-grade charge algorithm significantly reduces the external components required, while ensuring that a safe, rapid charge is provided. It also offers both 4.2V overvoltage protection and 4.0V overvoltage protection, ensuring that the battery is protected against damage.

The MAX8903CETI+T also offers a number of additional features, such as battery-status monitoring, reverse-discharge protection and thermal protection. Additionally, the device offers external control and status indicators, allowing the user to easily determine the battery’s charge level and current flow. And thanks to its active charge termination, the device can safely terminate the charge cycle once the chosen charge voltage is reached.

The MAX8903CETI+T is designed to provide high-efficiency, reliable charging in a wide range of applications. From mobile phones and tablets to medical and automotive applications, this device offers a wide variety of features to ensure a safe, efficient charge cycle. Thanks to its flexible architecture and advanced monitoring capabilities, the device is an ideal choice for space-constrained, cost-sensitive charging applications.

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