LTC1734LES6-4.2#TRMPBF - Linear Technology's Lithium-Ion Battery Charger

The LTC1734LES6-4.2#TRMPBF is a highly integrated and compact single-cell lithium-ion battery charger IC designed by Linear Technology. This advanced charging solution is specifically tailored for portable applications where space and power efficiency are of paramount importance. The product comes in a low-profile SOT-23 package, ideal for space-constrained designs.

With an input voltage range of 4.5V to 10V, the LTC1734LES6-4.2#TRMPBF is versatile enough to be powered from a variety of sources, including USB ports and wall adapters. It is engineered to deliver a precise end-of-charge voltage of 4.2V, which is critical for ensuring the longevity and safety of lithium-ion batteries. The charging current is programmable up to 150mA, allowing designers to tailor the charge rate to the specific needs of their application.

One of the key features of this charger IC is its automatic recharge capability. The LTC1734LES6-4.2#TRMPBF initiates a new charging cycle if the battery voltage falls below a user-defined threshold, thus ensuring the battery remains fully charged without overcharging. Additionally, the device includes a charge current monitor that allows for easy tracking of the charge progress.

The LTC1734LES6-4.2#TRMPBF also boasts a range of safety features. It has thermal regulation to maximize the charge rate without risking overheating. Moreover, it comes with an undervoltage lockout (UVLO) function that ensures the charger operates only when the input supply is within a safe range. The device also provides automatic shutdown when the charge cycle is complete, further conserving energy and extending battery life.

For applications requiring a reliable and efficient charging solution for single-cell lithium-ion batteries, the LTC1734LES6-4.2#TRMPBF from Linear Technology stands out as an excellent choice. Its precision, compact form factor, and robust feature set make it an indispensable component for designers of modern portable electronic devices.