LTC3622EMSE-2#TRPBF

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PMIC, or power management integrated circuits, are complex collections of circuitry and components formed together into a complete, self-contained unit. These are used to manage and save energy on electronic devices. Voltage regulators, such as DC/DC switching regulators, are special types of PMICs responsible for converting a DC input voltage into a regulated output. Among such voltage regulators, the LTC3622EMSE-2#TRPBF is a single device that integrates an LDO and dual switching DC-DC step-down converters. The LTC3622EMSE-2#TRPBF has two main application fields: in wireless charging and battery management systems. In wireless charging systems, the LTC3622EMSE-2#TRPBF provides precisely regulated input power for wireless receivers. It can also be used to provide power isolation and allow voltage conversion from 5 V input to the 3.3 V output required for certain applications. In battery management systems, the LTC3622EMSE-2#TRPBF is able to deliver multiple output voltages, up to a maximum of 5 A. It allows for battery charging, discharge monitoring, and temperature tracking, as well as implementing fuel gauge methods.The LTC3622EMSE-2#TRPBF is based on a synchronous rectification power conversion topology. This topology features a simple hysteretic architecture with inherent cycle-by-cycle current limiting and accurate output voltage adjustment at light load. This makes the device very power efficient, and the output voltage is easily adjustable with its internal reference voltage. Together with its fast transient response, overvoltage protection, thermal shutdown capability, and wide input voltage range, the LTC3622EMSE-2#TRPBF is a popular choice for battery management systems and wireless charging systems.The LTC3622EMSE-2#TRPBF consists of two main devices which control two different DC/DC buck converters: an LTC1865, which controls the output voltage from 0.3 V to 5 V, and a LT3799, which controls the output voltage from 0.8 V to 3.3 V. Two integrated MOSFETs provide up to 1.2 A and 3 A, respectively, of the total current output. The LT3799 buck regulator of the LTC3622EMSE-2#TRPBF features a pulse-width modulation control which provides fast response and good line and load regulation. It also features output overvoltage and undervoltage protection, over-temperature protection, and current limiting. The LTC1865 buck regulator includes a low dropout voltage key feature as well as an integrated voltage reference and over-current protection. The LTC1865 also uses a pulse-width modulation control, and can provide up to 5 A of current. The LTC3622EMSE-2#TRPBF is a very flexible, reliable and efficient solution for providing multiple output voltages from a single, 3.3 V or 5 V input. It can control two buck converters from 0.3 V to 5 V and 0.8 V to 3.3 V, and is suitable for applications such as wireless charging, battery management systems, and other power management applications. It is very power efficient and reliable and can deliver up to 5 A of total output current.

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