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TPS2021D

0.66A, 2.7-5.5V Single Power Distribution Switch IC Hi-Side MOSFET, Fault Report, Act-Low Enable

Partnumber Manufacturer Quantity Availability
TPS2021D 420 In Stock

Description and Introduction

0.66A, 2.7-5.5V Single Power Distribution Switch IC Hi-Side MOSFET, Fault Report, Act-Low Enable The TPS2021D is a power-distribution switch manufactured by Texas Instruments. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
Texas Instruments  

### **Description:**  
The TPS2021D is a single-channel power-distribution switch designed for applications requiring precise current limiting, such as USB ports and other hot-swap applications. It integrates a low on-resistance N-channel MOSFET switch with protection features.  

### **Key Features:**  
- **Current Limit:** Adjustable or fixed (depending on variant)  
- **Operating Voltage Range:** 2.7V to 5.5V  
- **Continuous Current Rating:** Up to 500mA (or higher, depending on variant)  
- **Low On-Resistance (RDS(ON)):** Typically 80mΩ  
- **Overcurrent Protection:** Adjustable or fixed threshold  
- **Thermal Shutdown:** Prevents damage from excessive heat  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within voltage range  
- **Reverse Current Blocking:** Prevents backflow when powered off  
- **Fast Short-Circuit Response:** Protects downstream circuits  
- **Enable Pin (EN):** Logic-controlled on/off functionality  

### **Applications:**  
- USB power management  
- Hot-swap circuits  
- Portable devices  
- Power distribution in embedded systems  

### **Package:**  
- Typically available in SOIC or similar small-outline packages  

For exact specifications, refer to the official Texas Instruments datasheet for the TPS2021D.

Application Scenarios & Design Considerations

0.66A, 2.7-5.5V Single Power Distribution Switch IC Hi-Side MOSFET, Fault Report, Act-Low Enable

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