Analog Devices Inc. LTC4425IDD#TRPBF PowerPath Controller

The LTC4425IDD#TRPBF from Analog Devices Inc. is a robust PowerPath controller and high-current Li-Ion/Polymer battery charger designed to create a seamless power management system for portable and backup power applications. This highly efficient device ensures that electronic systems remain operational even when the input power source fluctuates or is removed.

Key Features

• PowerPath Control: The LTC4425 ensures smooth switching between input power and battery backup, maintaining a consistent supply to the load without interruption.
• Charging Capability: It offers a standalone linear charger with programmable end-of-charge voltage and charge current, making it suitable for a wide range of Li-Ion/Polymer batteries.
• Wide Input Voltage Range: The device operates over a broad input voltage range of 4.5V to 40V, accommodating various power sources.
• High Current Output: It can deliver up to 5A of continuous output current, ensuring sufficient power for demanding applications.
• Overvoltage Protection: The controller includes overvoltage protection to safeguard the system and battery from input voltage spikes.
• Thermal Regulation: To prevent overheating, the LTC4425 incorporates thermal regulation, which reduces charge current in high-temperature conditions.
• Instant-On Operation: The device is designed for instant-on operation even with a depleted battery, allowing systems to start up quickly.

Applications

The LTC4425IDD#TRPBF is ideal for various applications, including:

• Portable Instruments
• Uninterruptible Power Supplies (UPS)
• Handheld Devices
• Backup Power Systems
• Industrial/Medical Equipment

Product Packaging

This part is available in a compact, 12-lead (4mm × 3mm) DFN package, which is suitable for space-constrained applications. The LTC4425IDD#TRPBF is also designed for tape and reel packaging, denoted by the suffix 'TRPBF,' facilitating efficient assembly processes for high-volume production.