The Linear Technology LT4419SQ is a highly integrated PowerPath controller designed for seamless transition between multiple power sources in a wide array of applications. This advanced component ensures that electronic devices maintain uninterrupted operation even when the primary power source fails or is disconnected.
Key Features
- Automatic Switching: The LT4419SQ offers automatic switching between DC sources, which is crucial for systems that require a constant power supply.
- Low Loss PowerPath: With an internal low loss PowerPath, the device ensures high efficiency and minimal voltage drop during power transitions.
- Wide Operating Voltage Range: The device supports a broad operating voltage range, accommodating various power levels for different applications.
- Priority Channel Selection: Users can configure the LT4419SQ to prioritize one power source over another, ensuring critical operations continue with the preferred power source.
- Compact Package: Housed in a small QFN package, the LT4419SQ saves valuable board space and is suitable for compact system designs.
Applications
The LT4419SQ is ideal for dual-input battery-powered systems, automotive and industrial applications, as well as for uninterruptible power supplies (UPS). Its ability to swiftly and efficiently switch between power sources without interrupting the load makes it a go-to solution for systems that cannot tolerate power interruption.
Technical Specifications
| Parameter |
Specification |
| Voltage Range |
2.5V to 40V |
| Package Type |
24-Lead QFN |
| Operating Temperature |
-40°C to 125°C |
The LT4419SQ from Linear Technology is a versatile and efficient solution for managing power in critical systems. With its advanced features and robust design, it ensures that your application remains operational even under challenging power conditions.