The TPS2111PWG4 is a highly sophisticated auto-switching power multiplexer from Texas Instruments, designed to seamlessly transition between two power sources. This innovative component is essential for systems that require a reliable backup power source or the ability to intelligently switch between two independent power supplies without interruption.
Key Features
- Automatic Switching: The TPS2111PWG4 automatically switches between two power sources as needed, ensuring a constant power supply to the load.
- Wide Voltage Range: It supports a broad input voltage range from 2.8V to 5.5V, making it versatile for various applications.
- Low RON: The low on-resistance of the internal FET switch minimizes voltage drop and power loss, ensuring efficient power delivery.
- Bidirectional Operation: The device can pass current in both directions, which is useful for applications like battery charging.
- Break-Before-Make Switching: This feature ensures that the two power sources are never shorted together, protecting the circuitry and power sources.
Applications
The TPS2111PWG4 is well-suited for a variety of applications where power source redundancy or dual power source management is needed. This includes:
- Redundant power supplies for critical systems
- Portable devices with dual power sources
- Industrial and automotive systems requiring backup power
- Power management for multi-battery devices
Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.8V to 5.5V |
| On-Resistance (RON) |
Typically 85 mΩ |
| Operating Temperature |
-40°C to 85°C |
| Package |
14-TSSOP (PWG) |
The TPS2111PWG4 by Texas Instruments is a robust and reliable solution for power management challenges, offering both flexibility and efficiency for systems requiring dual power sources.