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TPS54525PWPR from TI,Texas Instruments

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TPS54525PWPR

Manufacturer: TI

4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter 14-HTSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPS54525PWPR TI 6000 In Stock

Description and Introduction

4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter 14-HTSSOP -40 to 85 The TPS54525PWPR is a synchronous buck converter manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** 0.76V to 7V  
- **Output Current:** Up to 5A (continuous)  
- **Switching Frequency:** 100kHz to 2.5MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** HTSSOP-20 (PowerPAD™)  

### **Descriptions:**
- The TPS54525PWPR is a step-down (buck) DC-DC converter with integrated high-side and low-side MOSFETs.  
- It is designed for high-efficiency power conversion in industrial, automotive, and consumer applications.  
- The device supports adjustable frequency synchronization and features a wide input voltage range.  

### **Features:**
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Frequency:** Allows optimization for efficiency and size.  
- **Power Good Output:** Provides system-level monitoring.  
- **Soft-Start & Pre-Biased Startup:** Prevents inrush current and output voltage overshoot.  
- **Protection Features:** Includes overcurrent, overvoltage, and thermal shutdown.  
- **Synchronous Rectification:** Improves efficiency compared to diode-based designs.  
- **Low Quiescent Current:** Enhances light-load efficiency.  

This information is based on TI's official datasheet for the TPS54525PWPR.

Application Scenarios & Design Considerations

4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter 14-HTSSOP -40 to 85

Alternative Part Number

  • LMR14030SDDAR --: TI SIMPLE SWITCHER buck converter with similar 4.5-42V input and 3A output, pin-compatible footprint in SO PowerPAD, good drop-in alternative with different series naming.
  • MP2315GJ-Z --: 3A synchronous step-down converter with wide input range and similar switching frequency, offered in TSOT23 package; different vendor and series for easy distinction.
  • AP64501SP-13 --: 5A synchronous buck converter with 3.8-40V input, comparable efficiency and protection features, available in SO-8EP; distinct naming and manufacturer.

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