Linear Technology LTC4412IS6#TRPBF Low Loss PowerPath Controller

The LTC4412IS6#TRPBF is a high-performance PowerPath controller designed by Linear Technology, now part of Analog Devices, to manage power between multiple sources. This integrated circuit ensures seamless transitions between power supplies, maintaining a reliable power flow to the load even when the primary power source fails or is disconnected.

Key Features

• Low On-Resistance: The device features an internal low on-resistance (R<sub>ON) MOSFET, which ensures minimal voltage drop and power loss during operation, making it highly efficient for portable applications.
• Automatic Switching: It automatically switches between supply sources, with a priority given to the primary input. This functionality is critical for systems that require a backup power source, such as battery-powered devices.
• Wide Operating Voltage Range: The LTC4412IS6#TRPBF operates over a wide voltage range from 2.5V to 5.5V, accommodating a variety of power sources and allowing for flexible design options.
• Minimal External Components: The design requires very few external components, which simplifies the circuit design and reduces the overall bill of materials cost.
• Low Quiescent Current: With a low quiescent current of just 11μA, the device is extremely power-efficient, which is particularly beneficial for battery-operated equipment.

Applications

The LTC4412IS6#TRPBF is suitable for a wide range of applications where reliable power management is essential. It is commonly used in handheld devices, GPS systems, portable media players, and other battery-operated gadgets that require an uninterrupted power supply. Additionally, it is ideal for applications that need to switch between battery backup and wall adapter power sources without interruption.

Package and Reliability

This PowerPath controller comes in a compact SOT-23 package, which is ideal for space-constrained applications. The part number LTC4412IS6#TRPBF indicates that the device is provided in tape and reel packaging, which is suitable for automated assembly processes. Linear Technology's commitment to high-quality manufacturing ensures that this controller provides reliable and consistent performance in a variety of environmental conditions.

Overall, the LTC4412IS6#TRPBF from Linear Technology is a versatile and efficient solution for power management in multi-source systems, offering both performance and reliability to meet the needs of advanced electronic designs.