The LTC1733EMSE/LTLX is a high-performance, single cell lithium-ion (Li-Ion) battery charger integrated circuit (IC) designed by Linear Technology, a leader in analog integrated circuits and power management technology. This compact and efficient charger is ideal for portable devices where space and power efficiency are critical.

Key Features:

• Precision Charging: The LTC1733EMSE/LTLX offers precise end-of-charge control, ensuring that the battery is charged to its full capacity without overcharging, which can extend the life of the battery.
• Programmable Charge Rate: The charge current is programmable up to 1.5A, allowing for fast charging of the battery. This feature is particularly useful for applications requiring quick turnaround times between uses.
• High Efficiency: With a high charging efficiency, this charger IC minimizes heat generation, which is essential for maintaining the integrity and safety of the device it is charging.
• Thermal Regulation: To protect against overheating, the LTC1733EMSE/LTLX includes thermal regulation, which reduces the charge current if the die temperature exceeds a preset threshold.
• Charge Status Indication: An onboard charge status output can directly drive an LED, providing visual feedback on the charging process.
• Multiple Safety Features: The IC incorporates safety features such as automatic recharge, preconditioning of deeply discharged batteries, and a shutdown mode that reduces the supply current to 15uA.

Applications:

The LTC1733EMSE/LTLX is suitable for a wide range of applications, including:

• Portable Electronics
• Handheld Devices
• Medical Instruments
• Stand-Alone Chargers
• USB-Powered Gadgets

Technical Specifications:

The device is housed in a compact MSOP-10 package and operates over a wide input voltage range, compatible with various power supplies. It is designed to work with single-cell Li-Ion batteries, a common choice for modern portable electronics.

In summary, the LTC1733EMSE/LTLX from Linear Technology offers a reliable and efficient solution for charging single-cell Li-Ion batteries, with a focus on precision, programmability, and protection. Its features make it a versatile choice for designers looking to create compact, high-performance portable devices.