MCP73871T-1AAI/ML

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The MCP73871T-1AAI/ML is a highly integrated linear solution for systems that require battery charging. This device belongs to the PMIC – Battery Chargers family, providing a constant current of mainly 1A, but up to 1.5A for rapid charging. It works with a wide range of lithium-ion batteries, from 4.2V to 32V, making it the perfect fit for different applications. This product is designed to offer a safe and user-friendly experience as well as great power efficiency, while still keeping the prices competitive.

The MCP73871T-1AAI/ML has two main advantages over other battery charging solutions: it allows fast and easy implementation, and it optimizes the battery charge cycle, which extends the battery’s life. The IC is equipped with an integrated thermistor and a low-side current senses that enable it to monitor the temperature and current levels. The IC also supports a wide range of charging modes including Constant Current/Constant Voltage (CC/CV) and Trickle Charge modes.

This IC is also designed to provide a high level of safety with its highly integrated protection features, such as overvoltage, overtemperature, overcurrent, and reverse battery protection. The IC also supports automatic power-switch activation for battery charging, reducing the development and production costs.

The MCP73871T-1AAI/ML provides multiple functions, such as pre-charging, charge-termination, sequential charging, and capability of the batteries to be rechargeable. It also enables precise control for the charge target voltage and charge current, helping to manage the energy dissipated during the charging process.

The IC features a trickle charge mode that is used to recharge deeply discharged battery packs, where the pre-charge current level is first set and then adjusted automatically by the IC in order to maintain the safety of the process. The IC also monitors the battery temperature and adjusts the charge current level to prevent overheating while still ensuring optimized charging.

The MCP73871T-1AAI/ML also features an interface that operates up to 10.5V, configured in terms of EN/Set, BAT, and Vbat, to ensure that no battery voltage is exceeding the limits and to verify the power supply for the battery. The integrated watchdog timer ensures that the system is working in a safe way and that the user is in control of the system. It offers power off and power cycling protection, as well as over-temperature protection.

The MCP73871T-1AAI/ML can be used in a variety of applications such as hand-held medical devices, wearables, digital entertainment, mobile phones, tablets and digital cameras. It can also be used in other industrial and consumer applications, for example in automotive, telecommunication, home appliances and portable electronics.

In conclusion, the MCP73871T-1AAI/ML is a highly integrated and feature-rich solution for battery charging applications. It offers a wide range of protection features, allowing users to enjoy a user-friendly and safe charging experience while maintaining the power efficiency and extending the life of the batteries.

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