LTC4097EDDB

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The LTC4097EDDB is a battery charger IC specifically designed for rechargeable batteries with unique features and benefits ideal for various real-world applications. It is basically a low-dropout regulator that allows the battery to be charged while providing low power dissipation and a wide input voltage range with a high charge current capability. In addition, the LTC4097EDDB has an internal 1.8V reference, current sensing and protection circuitry, ideal for many battery charging applications.

The LTC4097EDDB is an advanced PMIC that provides an integrated programmable single-cell Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Poly) battery charger with built-in safety features and pulse-width modulation (PWM) control. It is designed to charge a single cell Li-Ion or Li-Poly battery with a range of voltages from 3V to 7V, with a maximum charge current of 2.5A. It also supports a range of charging parameters from 4.2V to 4.35V and from 0.1A to 2A. It can be used to charge any type of battery chemistry like SLA, ULTRA, Li-Ion, Li-Poly, NiCd, and NiMH batteries.

The working principle of the LTC4097EDDB is based on its advanced PWM control scheme. This scheme enables the control circuitry to automatically switch the charging current on and off based on the input voltage of the battery, so that it can be charged safely and efficiently. Additionally, the LTC4097EDDB features an over-voltage, over-current, over-temperature and thermal shut-down protection circuit, giving the user additional safety and feature protection.

The LTC4097EDDB is a perfect solution for battery charger applications where low power dissipation, precise current-limit control, reliability and long term performance are required. The device is capable of supplying a high output current with a low minimum operating voltage, and can be used for applications such as high efficiency DC-DC converters and battery packs. It can also be used for single cell Li-Ion or Li-Poly battery chargers.

The output of the LTC4097EDDB is adjustable over a wide voltage range and can be set anywhere between 3V to 7V with a resolution of 20 mV. The device includes a built-in current limiting circuit which can be programmed to match the battery size, so that the battery is safely charged at the maximum possible rate. This current limiting circuit also includes an over-voltage and over-temperature protection circuit, ensuring that the battery is not overcharged.

In summary, the LTC4097EDDB is an advanced, highly integrated, battery charger IC with a wide range of features, making it an ideal choice for use in battery-powered applications. Its high input range and low power dissipation make it suitable for a wide range of applications such as DC-DC converters, battery packs and single cell Li-Ion or Li-Poly battery chargers. The LTC4097EDDB also offers an integrated over-voltage, over-current, over-temperature, and thermal shut-down protection circuit and a current limiting circuit, making it an ideal choice for battery charger applications.

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