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TPS2021DRG4 from TI,Texas Instruments

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TPS2021DRG4

Manufacturer: TI

0.66A, 2.7-5.5V Single Power Distribution Switch IC Hi-Side MOSFET, Fault Report, Act-Low Enable 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
TPS2021DRG4 TI 5000 In Stock

Description and Introduction

0.66A, 2.7-5.5V Single Power Distribution Switch IC Hi-Side MOSFET, Fault Report, Act-Low Enable 8-SOIC -40 to 85 The TPS2021DRG4 is a power distribution switch manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Continuous Current Limit:** 0.5A (typical)  
- **On-Resistance (RDS(ON)):** 80mΩ (typical at 5V)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** SOIC-8 (DRG4)  
- **Fault Protection:** Overcurrent, thermal shutdown, reverse current blocking  
- **Enable Logic:** Active-high control  

### **Descriptions:**  
The TPS2021DRG4 is a single-channel power-distribution switch designed for applications requiring precision current limiting and protection. It integrates a low-RDS(ON) N-channel MOSFET and control circuitry to manage power distribution efficiently.  

### **Features:**  
- Adjustable current limit (0.5A typical)  
- Fast overcurrent response (<2µs)  
- Thermal shutdown protection  
- Reverse current blocking  
- Low quiescent current (35µA typical)  
- Under-voltage lockout (UVLO) protection  
- ESD protection (up to 2kV HBM)  

The device is commonly used in USB ports, hot-swap circuits, and other power management applications.  

(Source: Texas Instruments datasheet for TPS2021DRG4.)

Application Scenarios & Design Considerations

0.66A, 2.7-5.5V Single Power Distribution Switch IC Hi-Side MOSFET, Fault Report, Act-Low Enable 8-SOIC -40 to 85

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