LTC1733EMSE#PBF - Linear Technology

The LTC1733EMSE#PBF is a highly integrated battery charger manufactured by Linear Technology, designed for charging single-cell lithium-ion batteries. This sophisticated IC offers a compact, efficient, and reliable solution for portable electronic devices that require rechargeable power sources. The LTC1733EMSE#PBF is housed in a small MSOP-10 package, making it suitable for space-constrained applications.

Key Features:

• Advanced Charging Algorithm: It incorporates a complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries. The precision end-of-charge control ensures the battery is charged to its full capacity.
• Programmable Charge Current: The charge current is adjustable up to 1A by setting a resistor, which allows for flexibility in the design to accommodate different battery capacities and charging speed requirements.
• Wide Input Voltage Range: The device operates from an input voltage range of 4.5V to 10V, making it compatible with a variety of power supplies.
• Thermal Regulation: This feature maximizes the charge rate without the risk of overheating, ensuring safe operation under varying environmental conditions.
• Automatic Recharge: The LTC1733EMSE#PBF initiates a new charge cycle if the battery voltage falls below an internal threshold, keeping the battery topped up.
• Multiple Safety Features: It includes safety features such as automatic shutdown if the input voltage is too high, thermal shutdown, and a battery temperature sensing input that suspends charging if the battery becomes too hot.
• Charge Status Output: An open-drain status output pin (CHRG) allows for a simple LED interface to indicate the charging progress or completion.

Applications:

The LTC1733EMSE#PBF is ideal for a wide range of portable electronic applications, such as:

• Cellular Phones
• Digital Cameras
• Portable Media Players
• Handheld Devices
• GPS Units

With its precision charging capabilities and multiple safety features, the LTC1733EMSE#PBF from Linear Technology stands out as a reliable choice for designers looking to integrate a high-performance charging solution into their lithium-ion battery-powered products.