LTC4071EMS8E#PBF

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A PMIC (Power Management Integrated Circuit) - Battery Charger is a device that acts as an interface between a host system and a battery to manage a two-way exchange of power. LTC4071EMS8E#PBF is a Lithium-Ion battery charger IC that provides optimum performance for Li-ION/Li-Polymer battery-powered systems. It contains a synchronous buck regulator that delivers up to 2 A of current from a variety of input sources, including AC adapters, USB, and single-cell alkaline, NiCd and NiMH batteries.

The LTC4071EMS8E#PBF features an integrated 4-cell capacity monitor and a 4-cell protection circuit (can support up to 8 cells). This allows the host system to know the battery state at any time during charging. It also includes a wide-input voltage range of 3.4V to 36V, enabling it to be used for charging from sources such as wall-mount and automotive batteries. The IC is ideal for applications that require high charging efficiency, low noise, and an adjustable charging current.

The LTC4071EMS8E#PBF is capable of actively monitoring the system current and input voltage in order to accurately regulate the output voltage and current. This ensures that the optimal charge voltage and current is maintained throughout the charging process, thus maximizing the life of the Li-ION/Li-Polymer battery. The IC also has several safety features such as thermal shutdown and under-voltage lockout to protect the battery from damage due to overcharging or over-discharging.

The device uses charge termination algorithm with the active voltage monitoring feature to detect the end-of-charge condition of the battery and thus end the charge cycle. It allows the user to set the charging current and voltage based on the application. The IC can also be configured to support multiple Lithium-Ion battery chemistries, making it suitable for various applications such as mobile charging, unmanned aerial vehicles (UAVs), Li-Ion powered robots etc.

In summary, LTC4071EMS8E#PBF is a high-performance and cost-effective PMIC (Power Management Integrated Circuit) - Battery Charger that has been specifically designed for maximum efficiency and reliability. It provides improved safety and performance characteristics, along with adjustable current, voltage, and charge termination. This makes it ideal for a wide range of applications, including mobile charging, Li-Ion/Li-Polymer powered robots and UAVs, etc.

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