The LTC1733EMSE#TRPBF is a highly integrated charging solution from Linear Technology, designed for single-cell lithium-ion batteries. This sophisticated IC is engineered to deliver precision end-of-charge voltage and charge current regulation, making it an ideal choice for portable electronic devices that require reliable and efficient power management.

Key Features

• Precision Charge Voltage: The LTC1733EMSE#TRPBF offers a precise charge voltage accuracy of ±1%, ensuring the battery is charged to its optimal voltage for maximum energy storage and longevity.
• Programmable Charge Current: Users can set the charge current up to 1A through a single resistor, providing flexibility to accommodate various battery capacities and charging speed requirements.
• Automatic Recharge: The device initiates a recharge cycle when the battery voltage falls below a preset threshold, keeping the battery topped up without user intervention.
• Charge Current Monitoring: An onboard sense resistor allows for charge current monitoring, enabling external control and ensuring safe operation under various conditions.
• Thermal Regulation: To protect the battery and circuitry, the LTC1733EMSE#TRPBF includes thermal regulation that reduces charge current if the die temperature exceeds a safe threshold.
• Multifunctional Pins: The IC features pins that serve multiple functions, such as indicating charge status and programming charge current, reducing the overall component count.

Applications

The LTC1733EMSE#TRPBF is well-suited for a wide range of applications, including:

• Portable Computers
• Cellular Telephones
• Personal Digital Assistants (PDAs)
• Digital Cameras
• Smart Battery Packs
• Handheld Instruments

Package and Quality

Encased in a compact MSOP-10 package, the LTC1733EMSE#TRPBF is designed for space-constrained applications. The device is available in a tape and reel package (TRPBF suffix), which facilitates automated pick-and-place manufacturing processes. Linear Technology ensures that this product meets stringent quality and reliability standards, making it a trustworthy choice for critical applications.

Conclusion

With its comprehensive feature set and robust design, the LTC1733EMSE#TRPBF from Linear Technology stands out as a superior charging solution for single-cell lithium-ion batteries. Its precision, flexibility, and reliability make it an excellent choice for designers seeking to enhance the performance and safety of their battery-powered devices.