LTC4053EDD-4.2#PBF

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The LTC4053EDD-4.2#PBF is part of Linear Technology/Analog Devices’ range of battery charging products designed for handheld devices and mobile applications. This low-cost, low-noise dual-charging and single-cell Li-Ion / Li-Polymer battery management and protection IC works for both small and large batteries. This PMIC - Battery Chargers includes protection against current surges, short circuits and thermal runaways. It also features built-in short-circuit and reverse battery protection, reverse output current blocking, battery-over-temperature protection, programmable minimum voltage, soft start, and more.

The LTC4053EDD-4.2#PBF is capable of charging from multiple sources simultaneously, including USB, AC adapter, and wall outlet. When used in mobile or battery-operated devices, the LTC4053EDD-4.2#PBF provides excellent power management performance to reduce charge time and conserve power. The IC is configured to automatically switch between different sources, depending on the current draw. In addition, a Programmable Timer pin allows the user to set a charging time limit, which ensures the battery is never overcharged or discharged.

In terms of its physical design, the LTC4053EDD-4.2#PBF measures just 6.5mm x 3.2mm in size, making it one of the smallest PMIC products available. It comes with a PBF package, which eliminates the need for a socket, resulting in a lower profile and lower cost.

The working principle of the LTC4053EDD-4.2#PBF is relatively simple. It is designed to recognize an external power source and determine the required charging current. Once this is determined, the IC supplies the correct current to the battery, while monitoring the cell voltage. Depending on the voltage level of the battery, the IC will adjust the charging current accordingly. If the charging current reaches its maximum level, the IC will shut down its output voltage to prevent further charging.

The LTC4053EDD-4.2#PBF can be used to provide charging power in a variety of portable and battery-powered devices, including smartphones, tablets, digital cameras, and wearables. Its compact size and low power consumption make it an ideal choice for applications that need to save space, reduce power consumption, and manage battery life. This includes applications such as medical devices, military equipment, automotive systems, and farm and industrial equipment. In addition, the IC’s features allow it to be used in systems that require power-saving and battery conservation capabilities as well as over-temperature and over-voltage protection.

The LTC4053EDD-4.2#PBF is a versatile PMIC designed to meet the demands of today’s mobile applications. Its efficient power management capabilities and robust protection features make it an ideal choice for reducing charge times, conserving power and prolonging battery life.

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