LTC4054-4.2 LINEAR TECH IC LTC4054-4.2

The LTC4054-4.2 is a complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries. Manufactured by Linear Technology (now Analog Devices), this compact IC is designed for portable applications where space is at a premium. The LTC4054-4.2 simplifies the charging process by providing a fully integrated solution, eliminating the need for numerous external components. The IC operates at a fixed charge voltage of 4.2V, which is the optimal charging voltage for most single-cell lithium-ion batteries. It features a programmable charge current, allowing users to tailor the charging process to the specific battery capacity and charging requirements. The LTC4054-4.2 incorporates an input overvoltage protection (OVP) feature that protects the IC and the battery from damage due to excessive input voltage.

The OVP circuitry automatically shuts down the charger if the input voltage exceeds a safe level. The device also includes thermal regulation, which reduces the charge current during high-temperature conditions to prevent overheating and extend battery life. The LTC4054-4.2 is designed to operate with a single external resistor to set the charge current, providing flexibility in charge current selection. The IC also includes a charge status indicator that provides visual feedback on the charging process. The LTC4054-4.2 is commonly used in portable devices, such as MP3 players, mobile phones, and Bluetooth headsets. It can also be used in battery-powered medical devices, wearable electronics, and other applications that require compact and efficient battery charging.

The IC's small size and minimal external component requirements make it ideal for space-constrained applications. The LTC4054-4.2 is available in a tiny, low-profile package that minimizes board space requirements. The IC is also RoHS compliant, ensuring environmental friendliness. Enhance your battery charging solutions with the LTC4054-4.2 linear charger IC. Benefit from its complete functionality, compact size, and robust protection features. Upgrade your portable devices, wearable electronics, and other battery-powered applications today.

Add the LTC4054-4.2 to your cart now and unlock the potential of efficient and reliable lithium-ion battery charging. Ensure safe and optimal charging of your batteries. Don't hesitate, order yours today and see the improvement in your circuit designs. Choose the LTC4054-4.2 – your reliable solution for single-cell lithium-ion battery charging needs. Experience the convenience and performance of a fully integrated charger IC. Its compact size and robust protection features make it an invaluable addition to any battery-powered electronics toolkit.

Its use in a variety of applications makes it the perfect choice for your designs. Simplify your designs and ensure reliable battery charging with the LTC4054-4.2.