The LTC4080EMSE#PBF is a highly integrated power management and battery charger IC from Linear Technology, designed to efficiently manage the charging of single-cell lithium-ion batteries. This advanced IC is housed in a compact MSOP-12 package and is engineered to provide a safe and reliable charging solution for portable electronic devices.

Key Features

• Integrated PowerPath™ Management: This feature allows the LTC4080 to power the system load while simultaneously charging the battery, ensuring uninterrupted operation even when the battery is low or being charged.
• Programmable Charge Current: Users can set the charge current up to 950mA, allowing for flexibility in balancing charging speed with thermal management.
• Automatic Recharge: The LTC4080 automatically initiates a new charging cycle when the battery voltage falls below a preset threshold, keeping the battery topped up without user intervention.
• Thermal Regulation: To prevent overheating, the LTC4080 reduces charge current based on an internal temperature sensor, ensuring safe operation across various environmental conditions.
• Charge Status Output: An external LED can be driven by the IC to provide visual feedback on the charging process, indicating whether the battery is charging or fully charged.
• Low Standby Current: The device draws minimal current from the battery when not in active charge mode, preserving battery life during idle periods.
• Overvoltage Protection: The IC safeguards the battery and the system against overvoltage conditions, enhancing the safety and longevity of the device.

Applications

The LTC4080EMSE#PBF is ideal for a wide range of portable applications due to its compact size and comprehensive features. It is particularly well-suited for handheld medical devices, portable instruments, and personal electronics where efficient power management and reliable battery charging are critical.

Quality and Reliability

Linear Technology is known for its high-quality products, and the LTC4080EMSE#PBF is no exception. It is built with precision and designed to meet the rigorous demands of modern electronic devices, ensuring a dependable performance and a long operational life.