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TPS40054PWPR from TI Pb-free,Texas Instruments

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TPS40054PWPR

Manufacturer: TI Pb-free

Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source only

Partnumber Manufacturer Quantity Availability
TPS40054PWPR TI Pb-free 254 In Stock

Description and Introduction

Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source only The TPS40054PWPR is a synchronous buck controller manufactured by Texas Instruments (TI). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
Texas Instruments (TI)  

### **Pb-Free Specifications:**  
- The device is **lead-free (Pb-free)** and complies with RoHS (Restriction of Hazardous Substances) standards.  

### **Descriptions:**  
- The TPS40054PWPR is a **wide-input synchronous buck controller** designed for high-efficiency DC-DC conversion.  
- It operates over an input voltage range of **4.5V to 28V**.  
- The controller supports **adjustable output voltage** down to **0.7V**.  
- It features **adaptive non-overlap gate drive** to prevent shoot-through in power MOSFETs.  
- The device includes **programmable soft-start** and **current limiting** for protection.  

### **Features:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Adjustable Output Voltage:** Down to 0.7V  
- **Switching Frequency:** Adjustable (100kHz to 600kHz)  
- **Synchronous Rectification:** Improves efficiency  
- **Adaptive Non-Overlap Gate Drive:** Prevents shoot-through  
- **Programmable Soft-Start:** Reduces inrush current  
- **Current Limiting:** Overcurrent protection  
- **Thermal Shutdown:** Protection against overheating  
- **Package:** 20-pin HTSSOP (PWPR)  

This information is strictly based on the device's specifications and features.

Application Scenarios & Design Considerations

Wide Input (8V-40V) up to 1MHz Frequency Synchronous Buck Controller, source only

Alternative Part Number

  • LM2743MTCX/NOPB --: Synchronous buck controller in the same TI portfolio with comparable input voltage range and gate drive capability; different series name makes it easy to distinguish from the source.
  • ISL6545CBZ --: Single-phase synchronous buck PWM controller with similar voltage-mode control and external MOSFET drive, suitable as a functional cross-reference.
  • LTC3851EGN#PBF --: Wide input voltage synchronous step-down controller with comparable current-mode architecture and gate drive, offering a different vendor and series as an alternative.

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