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TPS62291DRVR from TI,Texas Instruments

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TPS62291DRVR

Manufacturer: TI, BB/TI

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

Partnumber Manufacturer Quantity Availability
TPS62291DRVR TI, BB/TI 3999 In Stock

Description and Introduction

2.25MHz 1A Step-Down Converter in 2x2mm SON Package 6-WSON -40 to 85 The TPS62291DRVR is a step-down DC-DC converter manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **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:**  
- The TPS62291DRVR is a high-efficiency, step-down synchronous buck converter optimized for low-power applications.  
- It operates in PWM mode under medium to heavy loads and automatically switches to Power Save Mode (PSM) under light loads to improve efficiency.  
- The device integrates low-RDS(on) MOSFETs for high efficiency and compact design.  

### **Features:**  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Quiescent Current:** 17µA (typical) extends battery life.  
- **Adjustable Output Voltage:** Supports 0.6V to VIN via external resistors.  
- **Fixed Switching Frequency:** 2.25MHz allows for small external components.  
- **Power Save Mode (PSM):** Enhances efficiency at light loads.  
- **100% Duty Cycle Operation:** Supports low dropout conditions.  
- **Thermal Shutdown & Overcurrent Protection:** Ensures safe operation.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • AP3211KTR-G1 --: 1A synchronous step-down converter in a small package with similar input voltage range and adjustable output, suitable as a drop-in functional replacement.
  • RT8059GJ5 --: 1A synchronous buck converter with comparable switching frequency and compact SOT-23-5 package, offering similar efficiency for low-power rails.
  • MP2145GD-Z --: High-efficiency 1A step-down converter with wide input range and small footprint, a viable alternative when layout adjustments are acceptable.
  • TPS62290DRVR --: Same TPS6229x family, 2.25 MHz step-down converter in identical 2x2 SON-6 package; lower fixed output voltage variant, so verify the output voltage setpoint matches your rail.
  • TPS62203DBVR --: Similar 2.25 MHz synchronous buck converter in SOT-23-5 with comparable current rating; different package and pinout, so layout changes are required.

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