LTC4089EDJC-3#TRPBF - Power Management IC from Linear Technology

The LTC4089EDJC-3#TRPBF is a versatile power management integrated circuit (PMIC) designed by Linear Technology, now part of Analog Devices, that offers a comprehensive solution for battery charging and power path management. This high-efficiency IC is particularly suitable for portable devices, ensuring that they remain powered and operational even while the battery is being charged.

Key Features:

• Integrated Battery Charger: The device includes a programmable battery charger with a selectable charge current up to 2A, making it suitable for a wide range of lithium-ion/polymer battery sizes.
• PowerPath Control: The LTC4089EDJC-3#TRPBF features advanced PowerPath control that allows for seamless transition between input power sources and battery power, ensuring uninterrupted operation of the connected device.
• High Efficiency: With its high-efficiency switching regulator, the IC minimizes heat generation and maximizes battery life, making it ideal for power-sensitive applications.
• Multiple Input Sources: The IC supports a variety of input sources, including USB and wall adapters, providing flexibility in charging and powering devices.
• Thermal Regulation: To safeguard the battery and the IC itself, thermal regulation is incorporated to prevent overheating during the charging process.
• Compact Package: The LTC4089EDJC-3#TRPBF is available in a compact, low-profile 22-lead DFN package, allowing for integration into space-constrained applications.

Applications:

• Portable Medical Devices
• Handheld Instruments
• USB-Powered Gadgets
• Personal Media Players
• Smartphones and Tablets

The LTC4089EDJC-3#TRPBF is not only a powerful solution for charging and power management but also ensures safe operation with features like overvoltage protection, short-circuit protection, and a battery preconditioning function that gently ramps up the current for deeply discharged batteries. Its robust design and comprehensive feature set make it an excellent choice for designers looking to create reliable, long-lasting portable electronic devices.