LT3652HVEMSE#PBF

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PMICs, or Power Management Integrated Circuits, are used in a variety of industrial applications.

The LT3652HVEMSE#PBF is a battery charger PMIC in particular. Specifically, it is designed for lithium polymer and battery cells. This component integrates a buck converter along with two low-dropout voltage regulators and two high-side switches.

This component helps to efficiently charge a battery in applications such as medical equipment, portable electronics, industrial systems, and portable power applications. It includes several safety features such as thermal monitoring and thermal shutdown in order to protect the battery from overcharge and overheating.

The LT3652HVEMSE#PBF can be used with a 9V to 18V input voltage, providing a steady output voltage from 4V to 5.5V, able to produce current up to 2A. It has a DC/DC converter operating frequency up to 1MHz and a maximum efficiency of 90%.

The component also has several features which aid in boosting the overall performance of the system. This includes soft-start, power limiting and under-voltage lockout. This component also allows the user to adjust the soft-start time and overCurrent limit, in order to customize the charging process and optimize battery life.

In terms of working principle, the LT3652HVEMSE#PBF utilizes a buck converter in order to reduce the input voltage to the desired output voltage. The input voltage is applied to the primary winding of the inductor. The inductor is pulsed with a high frequency in order to create a controlled and efficient conversion process.

A converter controller regulates the cycle duration of the switching, thus controlling the amount of voltage that is transferred from the primary side to the secondary side of the inductor. The output voltage is then supplied to the battery. The current to the battery is regulated by a control loop, which monitors the voltage output from the voltage regulator and adjusts the current according to the desired output voltage.

The LT3652HVEMSE#PBF is a highly efficient and reliable battery charger PMIC that is designed for applications requiring efficient charging of lithium polymer and battery cells. It features a high input voltage range, allowing it to be used in a wide range of applications. Furthermore, the component also provides several safety features, allowing it to protect the battery from overcharge and overheating. Additionally, its adjustable soft-start time and overCurrent limit further aids in creating a customizable and optimized battery charging process.

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