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TPS2491DGSR from TI,Texas Instruments

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TPS2491DGSR

Manufacturer: TI

Retry Positive High-Voltage Power-Limiting Hot Swap Controller

Partnumber Manufacturer Quantity Availability
TPS2491DGSR TI 6624 In Stock

Description and Introduction

Retry Positive High-Voltage Power-Limiting Hot Swap Controller The TPS2491DGSR is a hot swap controller manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 9V to 80V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Pin VSSOP (DGS)  
- **Adjustable Current Limit:** Yes  
- **Fault Protection:** Overcurrent, undervoltage, and overtemperature  
- **Gate Drive Voltage:** 10V (typical)  
- **Quiescent Current:** 1.5mA (typical)  

### **Descriptions:**
The TPS2491DGSR is a high-voltage hot swap controller designed to safely manage the insertion and removal of circuit boards in live backplanes. It provides inrush current control, fault protection, and power management for systems operating in high-voltage environments.

### **Features:**
- **Wide Input Voltage Range (9V to 80V)** – Suitable for industrial and telecom applications.  
- **Adjustable Current Limit** – Allows precise control of inrush current.  
- **Fast Overcurrent Protection** – Responds quickly to short-circuit conditions.  
- **Programmable Undervoltage Lockout (UVLO)** – Ensures proper operation within safe voltage limits.  
- **Thermal Shutdown Protection** – Prevents damage from excessive heat.  
- **Integrated Charge Pump** – Provides gate drive for external N-channel MOSFETs.  
- **Reverse Polarity Protection** – Safeguards against incorrect power connections.  

This device is commonly used in power distribution systems, servers, and industrial equipment requiring robust hot swap capabilities.

Application Scenarios & Design Considerations

Retry Positive High-Voltage Power-Limiting Hot Swap Controller

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