TPS2411 Hot-Swap and OR-ing Controller: Features, Uses, and Specifications

The TPS2411 from Texas Instruments is a hot-swap controller and OR-ing controller IC designed for high-reliability power management systems. It is widely used in redundant power supplies, telecom, networking, and server systems where uninterrupted power and protection are critical.

By controlling an external N-channel MOSFET, the TPS2411 enables low-loss power path switching, seamless power source redundancy, and fault isolation, making it an essential IC for advanced power supply designs.

✅ Key Features of TPS2411

Hot-Swap and OR-ing controller for high-reliability systems
Supports supply voltages from 2.9 V to 15 V
Controls N-channel MOSFETs for low-loss switching
Provides backfeed protection during fault conditions
Enables redundant power supply configurations
Internal charge pump for efficient gate drive
Fast response time for supply switching
Small package size for compact designs (SOT-23-6, SOIC-8)

TPS2411 Specifications

Parameter Value

Supply Voltage Range (VDD) 2.9 V – 15 V

Typical Quiescent Current 1 mA

Gate Drive Voltage Up to 10 V

Package Options SOIC-8, SOT-23-6

Operating Temperature Range –40 °C to +85 °C

Function Hot-swap / OR-ing controller

Common Applications of TPS2411

The TPS2411 controller IC is primarily used in:

Redundant power supply systems
Hot-swappable power supplies in servers and telecom equipment
OR-ing control for multiple power sources
Back-up power systems (UPS, battery backup)
Power distribution units (PDUs)
Industrial and networking equipment where uptime is critical

Advantages of TPS2411

Ensures seamless switching between multiple power sources
Provides fault isolation to protect loads and supplies
Reduces power losses by controlling low-RDS(on) MOSFETs
Compact and cost-effective solution for redundant systems
Improves system reliability in mission-critical electronics

Summary

The TPS2411 is a versatile hot-swap and OR-ing controller IC that enhances the reliability of redundant power supply systems. With its wide operating voltage range (2.9 V–15 V), MOSFET control capability, and backfeed protection, it ensures uninterrupted power and fault isolation in servers, telecom, industrial, and networking systems.

Its compact package, efficiency, and robustness make the TPS2411 a go-to choice for engineers designing high-availability power management solution.

For video tutorial