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TPS54310QPWPRQ1 from TI,Texas Instruments

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TPS54310QPWPRQ1

Manufacturer: TI, TI/BB

Q1

Partnumber Manufacturer Quantity Availability
TPS54310QPWPRQ1 TI, TI/BB 1111 In Stock

Description and Introduction

Q1 The TPS54310QPWPRQ1 is a 3-A, 28-V input step-down (buck) converter manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 3.5 V to 28 V  
- **Output Voltage Range:** Adjustable down to 0.8 V  
- **Output Current:** Up to 3 A (continuous)  
- **Switching Frequency:** 570 kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Junction Temperature:** -40°C to +150°C  
- **Package:** 14-pin HTSSOP (PowerPAD™)  
- **Qualification:** AEC-Q100 qualified for automotive applications  

### **Descriptions:**  
The TPS54310QPWPRQ1 is a synchronous buck converter with integrated high-side and low-side MOSFETs. It is designed for high-efficiency power conversion in automotive and industrial applications. The device features a wide input voltage range and adjustable output voltage, making it suitable for various power supply designs.  

### **Features:**  
- **Integrated MOSFETs:** Reduces external component count.  
- **Adjustable Soft-Start:** Limits inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **PowerPAD™ Package:** Enhances thermal performance.  
- **Automotive Grade:** AEC-Q100 qualified for reliability in harsh environments.  

For detailed application information, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Q1

Alternative Part Number

  • LM2678S-ADJ --: Wide-input 5A step-down regulator in a different SIMPLE SWITCHER family, suitable as a functional substitute for 3A buck applications with adequate thermal margin.
  • LT1376CS8 --: 1.5A high-efficiency buck converter with a different series naming, usable for lower-current rails where the full 3A rating is not required.
  • MC34063ADR2G --: Versatile general-purpose DC-DC switching regulator in a distinct series, usable for lower-power drop-in redesigns with external component adjustment.
  • LT1938EDD --: High-efficiency 3A step-down regulator with wide input range, good substitute when slightly lower current is acceptable and better transient performance is desired.
  • MP1584EN --: Compact 3A step-down converter with wide input voltage, low-cost alternative suitable for similar automotive-grade power supply rails.

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