LTC1732EMS-4.2#TRPBF - Linear Technology

The LTC1732EMS-4.2#TRPBF is a high-performance, standalone linear charger from Linear Technology, designed specifically for single-cell lithium-ion batteries. This compact and efficient charging solution is optimized to deliver a precise end-of-charge voltage of 4.2V, ensuring that your battery is charged safely and effectively to its maximum capacity without overcharging.

Encased in an MSOP-10 package, this charger integrates a variety of features that make it a versatile choice for portable applications. It operates from a wide input voltage range, making it convenient for use with various power supplies. The LTC1732EMS-4.2#TRPBF can charge batteries from both USB ports and adapter sources, providing flexibility for users on the go.

One of the key attributes of this charger is its programmable charge current, which can be set with a single external resistor. This allows designers to tailor the charging current to the specific needs of their application, optimizing charging time and battery longevity. The LTC1732EMS-4.2#TRPBF also includes a charge current monitor, allowing for real-time observation of the charging process.

Safety features are paramount in battery charging, and the LTC1732EMS-4.2#TRPBF does not disappoint. It incorporates automatic recharging, ensuring that the battery remains fully charged even if left connected to the charger. Additionally, it has built-in overvoltage protection to prevent damage to the battery if the input voltage exceeds safe levels. An internal thermal feedback mechanism regulates the charge current to maintain the temperature within acceptable limits, providing an additional layer of protection.

For applications where space is at a premium, the small footprint of the LTC1732EMS-4.2#TRPBF is a significant advantage. Its MSOP-10 package is ideal for space-constrained portable devices such as personal digital assistants, cellular phones, and digital cameras. The charger also features a charge status output that can be used to drive an LED, providing a visual indication of the charging process.

In summary, the LTC1732EMS-4.2#TRPBF from Linear Technology is a sophisticated and reliable charging solution that combines flexibility, precision, and protection for lithium-ion batteries, making it an excellent choice for designers looking to enhance the performance and safety of their portable devices.