LTC4013IUFD#PBF

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The LTC4013IUFD#PBF, which belongs to the Battery Chargers category in PMIC (Power Management Integrated Circuits), is an efficient DC-DC synchronization buck converter, optimized for charging a single-cell Li-Ion and Li-Polymer battery. This integrated circuit takes the battery charge control, monitoring and cell balancing to a new level of performance, while also achieving up to 95.3% efficiency. By implementing the LTC4013IUFD#PBF in power sensitive systems, designers can minimize their power consumption, allowing the use of smaller, less expensive components.

The LTC4013IUFD#PBF is a high efficiency, single-cell battery charging circuit that integrates a buck converter, charge management controller, current sensing amplifier, cell balancing circuit, and gate drivers. Its0.5V to 3.68V input voltage range and 0.1V to 4.4V output voltage range allow the device to produce a wide variety of output currents. Furthermore, the LTC4013IUFD#PBF will automatically adjust its operating frequency to maintain its peak efficiency.

The LTC4013IUFD#PBF features a very low quiescent current, enabling the system to enter a sleep or power-down mode in periods of inactivity. The device is also equipped with several protection features, such as over-voltage, over-temperature and cell reversal protection. This ensures the safety operation of the LTC4013IUFD#PBF in a wide range of applications.

The LTC4013IUFD#PBF has a wide range of application areas. It can be used in a variety of portable electronic devices such as mobile phones, digital cameras and cordless tools. The device can also be used for charging applications in automotive systems, solar applications, and Li-Ion battery packs.

The LTC4013IUFD#PBF works on the power synchronization principle. The device uses a buck converter to synchronize the input and output voltages, controlling the output current. The converter also adjusts its switching frequency to maintain its peak efficiency. This is done by comparing the feedback voltage to the battery voltage, and changing the frequency accordingly.

To ensure a safe and efficient charging process, the current limit and charge termination levels of the LTC4013IUFD#PBF are programmable over a wide range. The device automatically terminates the charging process when the battery is full or when the temperature reaches the set limit. It is also equipped with a cell reverse block, which protects the battery from discharging through the charger.

In addition to its efficient DC-DC synchronization buck converter, the LTC4013IUFD#PBF also integrates a charge management controller for adjusting the charge current according to the input voltage. The current sensing amplifier monitors the battery current, ensuring it will not exceed the specified value. Finally, the integrated cell-balancing circuit prevents any overcharging and undercharging of the cells, extending the life of the battery.

The LTC4013IUFD#PBF is a high efficiency battery-charging circuit that can be used in a variety of applications. The device performs advanced battery charge control, monitoring and cell balancing, while also achieving up to 95.3% efficiency. All of these features make the LTC4013IUFD#PBF an ideal solution for power sensitive systems.

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