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TPS2491DGSRG4 from TI,Texas Instruments

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TPS2491DGSRG4

Manufacturer: TI

Retry Positive High-Voltage Power-Limiting Hot Swap Controller 10-VSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPS2491DGSRG4 TI 604 In Stock

Description and Introduction

Retry Positive High-Voltage Power-Limiting Hot Swap Controller 10-VSSOP -40 to 85 The TPS2491DGSRG4 is a hot swap controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 9V to 80V  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** MSOP-10 (DGS)  
- **Adjustable Current Limit:** Yes  
- **Fault Protection:** Overcurrent, undervoltage, and overtemperature  
- **Gate Drive Voltage:** Adjustable  
- **Power Good Indicator:** Yes  
- **Adjustable Soft-Start:** Yes  

### **Descriptions:**  
The TPS2491DGSRG4 is designed for high-voltage hot swap applications, allowing safe insertion and removal of circuit boards in live systems. It provides robust protection against overcurrent, undervoltage, and overtemperature conditions.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 9V to 80V operation.  
- **Programmable Current Limit:** Adjustable via an external sense resistor.  
- **Soft-Start Control:** Reduces inrush current during startup.  
- **Power Good Output:** Monitors output voltage status.  
- **Fault Timer:** Adjustable for overcurrent protection.  
- **Low Quiescent Current:** Optimized for power efficiency.  

This device is commonly used in telecom, industrial, and enterprise systems requiring hot swap capabilities.

Application Scenarios & Design Considerations

Retry Positive High-Voltage Power-Limiting Hot Swap Controller 10-VSSOP -40 to 85

Alternative Part Number

  • TPS2491DGSR --: Same TPS2491 hot-swap controller in the same DGS (VSSOP-10) package, identical electrical specifications; the RG4 suffix only denotes a different packing/reel option, so this is the closest drop-in replacement.
  • LM5069MM-1 --: TI hot-swap controller with comparable inrush current limiting and fault protection functions, suitable as a functional alternative when minor pinout and threshold differences can be accommodated.
  • MAX5902AAETT --: Hot-swap controller from a different vendor offering similar current-limiting and fault-protection features, usable as a cross-vendor alternative after verifying voltage and pin compatibility.

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