LTC4078EDD-2#TRPBF

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PMIC - Battery Management

The LTC4078EDD-2#TRPBF is a fully-featured linear battery management device and standalone Li-Ion and Li-polymer charger specifically designed to charge single-cell battery packs. The LTC4078EDD-2#TRPBF can be used in a wide variety of battery powered applications, such as those related to mobile phones, portable medical devices, and automotive electronics.

Application Field

LTC4078EDD-2#TRPBF can be used in a variety of portable and handheld device designs to meet the stringent power requirements of today’s user-centric systems. For instance, the IC is designed to interface with applications such as cell phones, laptops, and other portable electronics. It can also be used in automotive electronics and other specialized applications.

The device is designed to manage both unregulated and regulated Li-Ion and Li-polymer batteries with capacities ranging from 500mAh to 4Ah. It can also be applied to multiple types of battery chemistries, such as LiCoO2 and LiMn2O4. It offers advanced protection circuitry to keep the battery safe, as well as current-mode control and stand-alone charge status monitoring.

Working Principle

The IC uses sophisticated current-mode control to charge the battery pack in three stages: pre-charge, constant-current, and constant-voltage. During the pre-charge stage, the device reduces the charge current to prevent excessive pressure after a deep discharge. The constant-current and constant-voltage stages are used to adjust the charge current and recharge the battery at the most efficient rate.

The device also offers several protection features to monitor and protect the battery from damage, overcharging, over-discharge, over-temperature, and any other extreme conditions. The device monitors the battery voltage and current, as well as temperature, and will automatically stop charging when any of these parameters exceed their specified limits. This helps prevent battery damage due to improper charging and overcharging.

Overall, LTC4078EDD-2#TRPBF is designed to offer a robust and effective battery management solution for a wide range of applications. It is capable of efficiently charging a single-cell Li-Ion and Li-polymer battery while also providing advanced protection features to keep the battery safe. Moreover, its current-mode control technology enables a high level of efficiency.

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