MCP73871T-3CCI/ML

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The MCP73871T-3CCI/ML is a special type of Power Management and Integrated Circuit (PMIC) device – namely a Battery Charger IC. Battery chargers are specialized PMIC chips used for the charging of batteries, maintaining the voltage and current levels for optimal battery performance.

The MCP73871T-3CCI/ML is a simple, cost effective, efficient, bottom-side resistance sensing single-cell Lithium-Ion/Lithium-Polymer battery charger. This model is designed to provide current and voltage regulated charging to Li-Ion/Li-Polymer batteries using the Proportional-Integral-Derivative (PID). Charging is regulated to maintain the battery in healthy conditions, without risks of overcharging. Thanks to its built-in temperature and voltage monitoring, the MCP73871T-3CCI/ML offers protection against thermal runaway and overcharging, making it highly reliable. The device can also monitor the voltage, current and temperature of the battery, and automatically adjust the charging profile to provide the best conditions for optimal charge performance. The IC can be used in any charging application that requires a compact, low power, and reliable charger.

The MCP73871T-3CCI/ML can support four different charging profiles, depending on the application needs. The four profiles are Constant Current (CC), Constant Voltage (CV), Pre-Condition and Trickle Charge. The CC mode of charging is typically used for fast charging, where the charger provides a constant current level to the battery until it is full. The CV mode is generally used for slow charging, and the charger maintains a constant voltage level to the battery. The Pre-Condition mode also has a constant current level but it is limited to a lower amount, making it ideal for applications that need a gentler charge or require to bring up a deeply discharged battery. Finally, the Trickle Charge mode is suitable for long-term storage and maintenance charging.

The MCP73871T-3CCI/ML also features several features to make it easily integrable, ensuring the maximum system flexibility. The IC includes an adjustable input voltage regulation set-point, a system power disable pin, and a separate battery presence package pin. The input voltage regulation set-point feature allows the charger to select the required input voltage level, and the system power disable feature is used to disable the power source. The battery presence pin allows a simple connection to the battery pack, thus allowing the additional monitoring of input voltage and current.

In terms of performance, the MCP73871T-3CCI/ML can provide a maximum charging current of 3A, while the maximum voltage output is 4.2V. The operating temperature range is -40 to +85°C. The device is offered in a tiny 10-pin TSOP package, making it suitable for space and size constrained applications. The device is RoHS compliant.

In summary, the MCP73871T-3CCI/ML is a reliable and versatile battery charger, suitable for a variety of applications. It features an adjustable input voltage regulation set-point, system power disable pin, separate battery presence package pin, and capable of providing a maximum charging current of 3A and voltage output of 4.2V. The device is RoHS compliant, and is offered in a tiny 10-pin TSOP package, thus making it suitable for cost effective and space-constrained systems.

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