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TPS2421-2DDAR from TI,Texas Instruments

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TPS2421-2DDAR

Manufacturer: TI

20V, 5A, 33m? eFuse with PG 8-SO PowerPAD -40 to 125

Partnumber Manufacturer Quantity Availability
TPS2421-2DDAR,TPS24212DDAR TI 1986 In Stock

Description and Introduction

20V, 5A, 33m? eFuse with PG 8-SO PowerPAD -40 to 125 The TPS2421-2DDAR is a Hot Swap Controller from Texas Instruments (TI).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Package:** 8-SOIC (DD)  
- **Type:** Hot Swap Controller  
- **Operating Voltage Range:** 2.9V to 18V  
- **Current Limit:** Adjustable  
- **Fault Protection:** Overcurrent, Undervoltage, Overtemperature  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
The TPS2421-2DDAR is designed to manage inrush current and provide fault protection in hot-swappable applications. It ensures safe insertion and removal of circuit boards in live systems.  

### **Features:**  
- Adjustable current limit  
- Fast response to overcurrent events  
- Programmable undervoltage lockout (UVLO)  
- Thermal shutdown protection  
- Low quiescent current  

For more details, refer to the official TI datasheet.

Application Scenarios & Design Considerations

20V, 5A, 33m? eFuse with PG 8-SO PowerPAD -40 to 125

Alternative Part Number

  • LM25069MM-2/NOPB --: Hot-swap controller with similar current-limit and fault-protection function, different series naming, good drop-in for 12V rail protection.
  • MAX5902AAEUT+T --: Integrated hot-swap controller offering comparable inrush limiting and fault handling, different manufacturer and series for easy distinction.
  • ADM1275-2ARQZ --: Hot-swap controller with current sensing and programmable limits, suitable functional alternative when TI part is unavailable.

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