LTC4002ES8-8.4#PBF

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The LTC4002ES8-8.4 is a PMIC (Power Management Integrated Circuit) specifically designed to charge a variety of rechargeable batteries. It is designed to be used in applications where the voltage drain must be minimized. The LTC4002ES8-8.4 has various functions which can be used to maximize the efficiency of charging batteries.

The primary function of the LTC4002ES8-8.4 is as a battery charger. It is capable of charging up to 8 rechargeable cells in series, at a constant voltage of 8.4V. The output voltage can be adjusted to match the number of cells and their capacity, and a programmable top-off current is available for charging at the optimal capacity.

In addition to charging batteries, the LTC4002ES8-8.4 also has various safety features built into it. It features under-voltage lockout (UVLO), reverse current protection, and over-current protection. All these features work together to protect the battery from accidental damage or overcharging.

The LTC4002ES8-8.4 also features advanced charging algorithms that can adjust the charging current according to the temperature of the device. This helps to maintain a consistent rate of charging even in extreme temperature conditions. It also features multiple input power supplies, allowing it to be used in applications with different power sources.

The LTC4002ES8-8.4 can be used with a wide variety of rechargeable battery types, including Li-Ion, Li-Po, Ni-MH, and NiCd. It is also capable of delivering constant voltage of 8.4V even when the input voltage is as low as 10V. In addition, it has a highly efficient synchronous switch mode regulator, allowing it to operate with an input voltage of up to 32V.

The working principle of the LTC4002ES8-8.4 is relatively straightforward. The integrated circuit contains two power FETs, one for charging and one for discharging the battery. When the voltage reaches the lower preset threshold, the charging FET will turn ON, allowing current to flow through the circuit, while the discharging FET will turn OFF, preventing current from flowing out of the battery.

Once the battery is fully charged, the charging FET will turn OFF, and the battery will remain in a steady state. The battery can be discharged or recharged using the same process. The procedure of charging and discharging batteries can be automated using the optional charging algorithms available on the LTC4002ES8-8.4.

In summary, the LTC4002ES8-8.4 is an ideal PMIC for charging various types of rechargeable batteries. It offers high efficiency, low voltage drain, and multiple safety features for maximum protection. It also provides advanced algorithms for optimal charging and temperature compensation. All these features make the LTC4002ES8-8.4 an ideal choice for designs that require efficient and reliable battery charging.

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