The LTC4089EDJC-5#TRPBF is an advanced, highly integrated power management and battery charger IC from Linear Technology, designed to cater to the demanding needs of portable electronic devices. This versatile component offers a seamless solution for charging single-cell lithium-ion/polymer batteries and managing multiple power sources with efficiency and reliability.

Key Features

• PowerPath Control: The LTC4089EDJC-5#TRPBF features PowerPath control, which allows the IC to automatically select between the USB port, an adapter, or the battery to power the load, ensuring uninterrupted operation of the device.
• Battery Charging: It supports a programmable and high-efficiency battery charging profile with input current up to 2A, which is essential for fast and safe charging of the battery.
• Input Voltage Range: The device operates over a wide input voltage range, making it suitable for various power supply conditions and ensuring compatibility with different types of adapters and USB ports.
• Thermal Regulation: To protect the battery and circuitry, the LTC4089EDJC-5#TRPBF incorporates a thermal regulation mechanism that reduces the charge current if the die temperature exceeds a preset threshold.
• Instant-On Operation: The IC ensures that the system remains operational even with a dead or missing battery when an external power source is available.

Applications

The LTC4089EDJC-5#TRPBF is ideal for a variety of applications where efficient power management and battery charging are crucial. Some common applications include:

• Portable medical devices
• Handheld instruments
• USB-powered gadgets
• Backup battery systems
• Personal media players

Product Quality and Reliability

Linear Technology ensures that the LTC4089EDJC-5#TRPBF meets the highest standards of quality and reliability. The product is available in a compact, 22-lead low profile (0.75mm) 4mm × 3mm DFN package, providing a space-saving solution for modern electronic devices.