LM3420AM5X-16.8

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Power Management IC (PMIC) is a category of integrated circuits (ICs) used for monitoring and controlling power as part of a system’s total power chain. These devices usually feature a variety of power sources, such as Dc-DC converters, voltage references, voltage supervisors and regulators, and analog interfaces. The LM3420AM5X-16.8 is an advanced battery charger from Texas Instruments that is designed to meet the charging requirements of the latest mobile applications with superior flexibility. This device provides high performance, low-cost, and low-power consumption battery charging, integrating a switching and linear charger for Li-ion and Li-Polymer batteries into a single-package solution.

The LM3420AM5X-16.8 comes in a 16-pin, 5mm x 5mm QFN package, and is capable of operation over a wide input voltage range of 4.5V to 18V. It is designed to deliver up to 2A charging current while efficiently supporting a complete charging cycle with precise charge termination. It features a wide range of system-level features including built-in short-circuit, thermal, input voltage, and overcharging protections. Additionally, the charger automatically powers off when the system is in low-power mode.

The LM3420AM5X-16.8 is designed to meet the specifications of the most popular battery types such as Li-ion and Li-Polymer. It also provides multiple charging profiles for optimal performance. These profiles are configured using a single external resistor and allow each user to design a custom charging solution with their desired voltage and current levels. Its accurate charge-termination algorithm ensures proper charge cutoff, which helps maximize battery life.

To ensure the safety of battery charging operations, the LM3420AM5X-16.8 is designed to monitor battery temperature, input voltage and charging current. It also provides comprehensive protection features such as overvoltage protection, overcurrent protection, and thermal protection. These features help ensure a safe and reliable charging process.

In summary, the LM3420AM5X-16.8 is a versatile power management IC that provides superior performance and cost-effective solutions for battery charging requirements in the latest mobile applications. The device is suitable for use in a variety of environments and offers a wide range of features, including charge termination, wide input voltage range, and built-in safety features. With its robust design and high efficiency, the LM3420AM5X-16.8 can deliver reliable performance and peace of mind for applications that require dependable battery charging.

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