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TPS62291DRVTG4 from TI/BB,Texas Instruments

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TPS62291DRVTG4

Manufacturer: TI/BB

2.25MHz 1A Step-Down Converter in 2x2mm SON Package 6-WSON -40 to 85

Partnumber Manufacturer Quantity Availability
TPS62291DRVTG4 TI/BB 2 In Stock

Description and Introduction

2.25MHz 1A Step-Down Converter in 2x2mm SON Package 6-WSON -40 to 85 The TPS62291DRVTG4 is a high-efficiency synchronous step-down DC-DC converter manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 6V  
- **Output Voltage Range:** Adjustable from 0.6V to VIN  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 2.25MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 17µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 6-pin WSON (DRV)  

### **Descriptions & Features:**  
- **High Efficiency:** Uses synchronous rectification for improved power conversion.  
- **Low Power Consumption:** Ultra-low quiescent current extends battery life.  
- **Fixed Frequency Operation:** 2.25MHz PWM for reduced noise and better transient response.  
- **Power-Saving Mode:** Automatically enters PFM mode at light loads.  
- **100% Duty Cycle Operation:** Supports dropout mode for extended battery life.  
- **Integrated Power Switches:** No external MOSFETs required.  
- **Protection Features:** Includes thermal shutdown, overcurrent, and undervoltage lockout (UVLO).  

This device is commonly used in portable electronics, battery-powered applications, and point-of-load regulation.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

2.25MHz 1A Step-Down Converter in 2x2mm SON Package 6-WSON -40 to 85

Alternative Part Number

  • TPS62290DRVR --: Same TPS6229x family step-down converter in the same 2x2 SON package with comparable current rating; verify the fixed output voltage option matches your rail.
  • TPS62203DBVR --: Similar 1A-class step-down converter in SOT-23-5 with wide input range; a practical drop-in for many 3.3V/1.8V rails after checking pinout and feedback configuration.
  • AP3211KTR-G1 --: Alternative 1A synchronous buck converter in SOT-23-5 from a different vendor; check output voltage setting and switching frequency against the original design.

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