LTC4075EDD#TRPBF - Linear Technology's USB Power Manager and Li-Ion Charger

The LTC4075EDD#TRPBF is a highly integrated power management and battery charger IC designed by Linear Technology for modern portable applications. This compact, efficient device is engineered to provide a seamless power management solution for devices that are powered by a single-cell Lithium-Ion (Li-Ion) or Lithium-Polymer (Li-Poly) battery.

Key Features:

• USB Power Path Management: The LTC4075EDD#TRPBF smartly manages the power flow between the USB input, the battery, and the load. It ensures that the system operates effectively even when the input power is limited or the battery is low.
• Highly Integrated Charging: This IC includes a complete constant-current/constant-voltage linear charger for single-cell Li-Ion batteries with a programmable charge current up to 950mA. The charging parameters can be set according to the battery's specifications to ensure optimal charging efficiency and safety.
• Automatic Load Prioritization: The device automatically gives priority to the system load over battery charging, ensuring that the most critical operations are maintained when USB power is limited.
• Thermal Regulation: To prevent overheating, the LTC4075EDD#TRPBF features thermal regulation that reduces charge current if the die temperature exceeds a preset threshold.
• Low Profile: Packaged in a low-profile (0.75mm) 3mm x 3mm DFN package, the LTC4075EDD#TRPBF is suitable for space-constrained applications.

Applications:

The LTC4075EDD#TRPBF is ideal for a wide range of portable devices, including:

• Handheld Instruments
• Medical Devices
• Portable Media Players
• USB-Powered Gadgets
• Personal Care Devices

Conclusion:

With its advanced power management features, the LTC4075EDD#TRPBF from Linear Technology is a versatile and reliable solution for extending the battery life and enhancing the performance of portable devices. Its integration of USB power path management and Li-Ion charging capabilities, coupled with its compact form factor, makes it a top choice for designers looking to optimize their power-sensitive applications.