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TPS2147IDGQ from TI,Texas Instruments

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TPS2147IDGQ

Manufacturer: TI

3.3V LDO + Dual Switch For USB, DSP, And Portable Applications, Active-Low Enables

Partnumber Manufacturer Quantity Availability
TPS2147IDGQ TI 269 In Stock

Description and Introduction

3.3V LDO + Dual Switch For USB, DSP, And Portable Applications, Active-Low Enables The TPS2147IDGQ is a power-distribution switch manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Continuous Output Current:** 1.5A  
- **On-Resistance (RDS(ON)):** 80mΩ (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin MSOP (DGN)  

### **Descriptions:**  
- The TPS2147IDGQ is a single-channel, current-limited power-distribution switch designed for USB and other hot-swap applications.  
- It integrates a low-resistance N-channel MOSFET for efficient power management.  
- Features include overcurrent protection, thermal shutdown, and controlled rise time to minimize inrush current.  

### **Features:**  
- **Current Limiting:** Protects against short circuits and excessive loads.  
- **Thermal Shutdown:** Prevents damage from overheating.  
- **Fast Overcurrent Response:** Reacts quickly to fault conditions.  
- **Controlled Rise Time:** Reduces inrush current during startup.  
- **Low Standby Current:** Enhances power efficiency.  
- **Reverse Current Blocking:** Prevents backflow when disabled.  

This device is commonly used in USB ports, portable electronics, and power management systems.

Application Scenarios & Design Considerations

3.3V LDO + Dual Switch For USB, DSP, And Portable Applications, Active-Low Enables

Alternative Part Number

  • TPS2148IDGQ --: Same TPS214x family dual-channel current-limited power switch in the same DGQ package, with closely matching voltage and current ratings; a direct functional substitute.
  • MIC2026-1YM --: Dual-channel current-limited high-side power switch with comparable input range and current limit, usable as a cross-vendor alternative with minor pinout review.
  • AP2311MPG-13 --: Single/dual high-side load switch with current limiting and thermal protection, offering a different vendor option when exact dual-channel matching is not mandatory.
  • TPS2149IDGQ --: Same TPS214x family of dual-channel current-limited power switches in the same DGQ package, with closely matching voltage and current ratings, making it a near drop-in functional substitute.
  • MIC2505-2YM --: Dual high-side power switch with current limiting and thermal shutdown from a different vendor and series, offering comparable switching and protection behavior for similar load-switch applications.
  • AAT4610AIGV-1-T1 --: Current-limited high-side load switch with adjustable current limit and thermal protection, providing a functionally similar alternative from a distinct manufacturer and part series.

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