LT8584IFE#PBF

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PMIC - Battery Management

The LT8584IFE#PBF is a battery management IC designed by Linear Technology. It is an ideal solution for applications that require efficient power management from a single lithium-ion battery. It provides an uninterrupted flow of power to the load and maintains the required voltage by controlling the battery discharge current.

The LT8584IFE#PBF is capable of managing a variety of battery chemistries, including Lithium Manganese Oxide (LiMnO2), Lithium-Cobalt Oxide (LiCoO2) and Lithium Iron Phosphate (LiFePO4). It offers a switch-cap charging mode, which allows the charger to offer a constant voltage across the battery instead of the conventional constant current charging. This prevents overcharging of the battery, thereby improving its life.

The LT8584IFE#PBF can also be used in single-cell lithium-ion or lead-acid battery systems, as it provides comprehensive battery protection. It is designed with an adjustable timer that allows the user to set a charge termination time, thereby avoiding overcharging and preventing overdischarge events. It is also equipped with a temperature sensor that adjusts the charge current of the system based on the temperature of the battery to minimize thermal runaway risks.

Additionally, the LT8584IFE#PBF features onboard diagnostics, allowing the user to monitor the voltage, current, and temperature of the battery in real time. It also comes with a high-accuracy ADC circuit, allowing the user to measure the state-of-charge (SOC) of the battery precisely. This feature is particularly useful for monitoring and extending battery life.

In terms of safety, the LT8584IFE#PBF has a fault protection feature, which automatically shuts off the system power if a fault is detected within the circuit. Furthermore, it also has a low battery cutoff circuit, which shuts down the power system when the battery voltage is low. This prevents damage due to excessive discharge of the battery.

The LT8584IFE#PBF is a versatile and powerful battery management IC that offers efficient and safe power management for a wide range of batteries. It is particularly useful for applications requiring more accurate monitoring and control of the battery. Its adjustable timer, safety features, onboard diagnostics, and accurate ADC circuit enables it to monitor and optimize battery performance while managing the power system efficiently.

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