LTC4053EMSE-4.2#TRPBF - Linear Technology's Standalone Linear Li-Ion Battery Charger

The LTC4053EMSE-4.2#TRPBF is a highly integrated standalone linear battery charger manufactured by Linear Technology, now part of Analog Devices, designed specifically for single-cell lithium-ion batteries. This compact and efficient charging solution is ideal for portable applications, providing a simple and effective way to manage the charging process for lithium-ion cells.

Key Features:

• Charging Voltage: The LTC4053EMSE-4.2#TRPBF is tailored for charging single-cell Li-Ion batteries to a final float voltage of 4.2V, ensuring the battery is charged to its full capacity without overcharging, which can extend the life of the battery.
• Programmable Charge Current: The charge current can be set externally with a single resistor, providing design flexibility and the ability to cater to various battery capacities and sizes.
• Automatic Recharge: The device includes an automatic recharge feature that initiates a new charging cycle if the battery voltage falls below an internal threshold, keeping the battery topped up and ready for use.
• Charge Current Monitoring: The LTC4053EMSE-4.2#TRPBF allows for charge current monitoring through the CHRG pin, which can be used to provide charge status indication to the user.
• Thermal Protection: Built-in thermal regulation optimizes the charge rate for the ambient temperature to prevent overheating of the device and the battery during the charging process.
• Low Dropout Voltage: The device operates with a very low dropout voltage, which is advantageous in situations where the input supply voltage is close to the battery voltage.

Applications:

The LTC4053EMSE-4.2#TRPBF is suitable for a wide range of portable electronic applications, such as:

• Handheld devices
• Bluetooth headsets
• Digital cameras
• MP3 players
• Smartphones and PDAs
• Wearable technology

Package and Quality:

Encased in a compact 10-pin MSOP package, the LTC4053EMSE-4.2#TRPBF is designed for space-constrained applications. It also comes with the TRPBF suffix, indicating that the product is lead-free and RoHS compliant, making it suitable for environmentally sensitive applications.

Overall, the LTC4053EMSE-4.2#TRPBF from Linear Technology offers a reliable and easy-to-implement solution for charging Li-Ion batteries, with its comprehensive feature set ensuring safe and efficient charging for a variety of portable devices.