The LTC4155EUFD#PBF is an integrated circuit (IC) component designed and manufactured by Linear Technology Corporation. It is a complete standalone 2A, 20V maximum PowerPath battery charger for single-cell lithium-ion/polymer batteries. This IC offers several key features that make it an ideal choice for various battery charging applications.
One of the standout features of the LTC4155EUFD#PBF is its PowerPath architecture, which allows for simultaneous battery charging and system load operation. This means that the IC enables the system to run directly from the input power source even if the battery is completely discharged. It also facilitates charging the battery while the system continues to operate, ensuring continuous functionality.
To ensure safe charging, the LTC4155EUFD#PBF offers numerous built-in safety features. It incorporates accurate battery charge current and voltage regulation, reverse current protection, as well as overvoltage, overcurrent, and thermal protection. These features not only safeguard the battery from potential damage but also protect the IC against faults and failure.
Furthermore, the LTC4155EUFD#PBF offers impressive charging capabilities. It supports a wide input voltage range of 4.5V to 20V, making it compatible with a variety of power sources. The IC utilizes a Maximum Power Point Tracking (MPPT) algorithm to optimize efficiency and maximize power transfer from the input source to the battery, resulting in faster charging times
