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TPS2051DR from TI,Texas Instruments

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TPS2051DR

Manufacturer: TI

0.7A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-High Enable

Partnumber Manufacturer Quantity Availability
TPS2051DR TI 35688 In Stock

Description and Introduction

0.7A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-High Enable The TPS2051DR is a power distribution switch manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** TPS2051DR  
- **Package:** SOIC-8  
- **Type:** Single-channel power distribution switch  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Continuous Current Limit:** 0.5A (typical)  
- **On-Resistance (RDS(ON)):** 95mΩ (typical at 5V)  
- **Quiescent Current:** 20µA (typical)  
- **Shutdown Current:** 1µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The TPS2051DR is a single-channel power distribution switch designed for applications requiring controlled power management. It provides overcurrent protection, thermal shutdown, and controlled rise times to minimize inrush current.  

### **Features:**
- **Overcurrent Protection:** Limits output current to prevent damage.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Controlled Rise Time:** Reduces inrush current during turn-on.  
- **Low Standby Current:** Enhances power efficiency.  
- **Reverse Current Blocking:** Prevents backflow when disabled.  
- **Fast Short-Circuit Response:** Quickly disconnects in fault conditions.  
- **Enable Pin (Active High):** Allows external control of the switch.  

This device is commonly used in USB hubs, portable devices, and other power management applications.

Application Scenarios & Design Considerations

0.7A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-High Enable

Alternative Part Number

  • MIC2026-1YM --: Dual-channel high-side power switch with current limiting, functionally similar to the TPS2051 single-channel switch and widely used as a drop-in alternative in USB power distribution designs.
  • AP2191SG-13 --: Single-channel current-limited high-side power switch in SO-8, comparable voltage and current ratings to the TPS2051, suitable for USB and hot-swap applications.
  • LM3525MX-L --: Single-channel USB power switch with current limiting and thermal shutdown from the same manufacturer, offering similar functionality in a comparable package.

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