LT3651IUHE-8.2

Series:	*
Packaging:	Tube
Part Status:	Obsolete
Package / Case:	36-WFQFN Exposed Pad
Supplier Device Package:	36-QFN (5x6)

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LT3651IUHE-8.2 Application Field and Working PrincipleLT3651IUHE-8.2 are integrated circuit device, also known as Power Management IC (PMIC), specifically designed for Battery Chargers. The ICs integrate a controller and a MOSFET on a single silicon die and are primarily used to charge Li-ion and Li-polymer batteries. The LT3651IUHE-8.2 enhances charge current up to 4A combined with a switch mode power supply. This high current density helps drive the highest conversion efficiency for low battery voltages. The device also offers a wide input voltage range from 2.4V to 7V and can be used in 2-cell and 3-cell Li-ion battery systems. It implements a high frequency, constant frequency, current mode control that allows it to operate at switch frequencies of up to 2MHz and maximum peak currents up to 8A. There are some unique features of LT3651IUHE-8.2. It provides complete protection against under-temperature, over-temperature, over-current, and over-voltage conditions. It also features adjustable pre-charge and end-of-charge current thresholds, adjustable charge termination voltage, charging current foldback in order to help maintain optimal temperature in high current applications and remote/system synchronization to enable fast system start-up. The LT3651IUHE-8.2 provides superior performance in battery management. It is fast and efficient with highly programmable charge and termination characteristics. The adjustable pre-charge, charge termination, and charge-foldback characteristics enable users to tailor the charging profile for optimal performance in different application needs. The high frequency current mode PWM control ensures that the system is stable during all conditions. The adaptive frequency synchronization feature allows for fast system start-up and enhanced efficiency in high power applications. Overall, the LT3651IUHE-8.2 is an efficient and reliable solution for battery charge management. Its wide input voltage range and high current capability make it ideal for portable products. Its highly programmable features make it suitable for a variety of applications. From its superior performance and flexibility, it is a cost-effective solution for battery management applications.

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