The LTC4089EDJC-1#PBF is a versatile power management IC designed by Linear Technology, now part of Analog Devices, that offers a comprehensive solution for battery charging and power path management in portable USB-powered devices. This advanced IC is engineered to optimize the efficiency and reliability of applications such as smartphones, tablets, and other handheld devices.

Key Features

• Integrated Charger: It includes a high-efficiency switch-mode battery charger with automatic load prioritization, ensuring that the system remains powered while simultaneously charging the battery.
• PowerPath Control: The LTC4089EDJC-1#PBF provides instant-on operation even with a dead battery, thanks to its PowerPath control, which seamlessly manages power distribution between the input source, battery, and load.
• USB Compatibility: The device is compliant with USB power specifications, capable of handling input voltages from USB sources and providing a safe charging experience.
• Adjustable Charging Parameters: Charging parameters such as current and voltage are programmable, allowing for customization to suit various battery chemistries and sizes.
• Thermal Regulation: To ensure safety and longevity, the LTC4089EDJC-1#PBF features thermal regulation that prevents overheating during the charging process.

Technical Specifications

• Input Voltage Range: 4.4V to 5.5V
• Programmable Charge Current: Up to 1.5A
• Battery Float Voltage Options: 4.1V/4.2V (selectable)
• Operating Temperature Range: -40°C to 125°C
• Package: 22-Lead (4mm × 3mm) DFN

The LTC4089EDJC-1#PBF is designed with safety in mind, incorporating features such as overvoltage protection, short-circuit protection, and thermal shutdown. Its compact DFN package makes it an ideal choice for space-constrained applications, while its robust power management capabilities ensure efficient operation across a range of conditions.

Whether you're developing a new portable device or improving an existing one, the LTC4089EDJC-1#PBF offers a reliable and efficient solution for managing power and charging needs.