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TPS40004DGQR from TI,Texas Instruments

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TPS40004DGQR

Manufacturer: TI

Low Input (2.25V-5.5V) 300 kHz Frequency, Synchronous Buck Controller, Source/ Sink

Partnumber Manufacturer Quantity Availability
TPS40004DGQR TI 4891 In Stock

Description and Introduction

Low Input (2.25V-5.5V) 300 kHz Frequency, Synchronous Buck Controller, Source/ Sink The TPS40004DGQR is a synchronous buck controller manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.7V  
- **Switching Frequency:** Adjustable from 100kHz to 600kHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-pin MSOP (DGQ)  
- **Control Method:** Voltage Mode PWM  
- **Synchronous Rectification:** Yes  
- **Efficiency:** Up to 95%  
- **Current Limit Protection:** Yes  
- **Undervoltage Lockout (UVLO):** Adjustable  

### **Descriptions:**  
The TPS40004DGQR is a high-performance synchronous buck controller designed for step-down DC-DC conversion applications. It supports a wide input voltage range and provides efficient power conversion with adjustable switching frequency. The controller includes features like soft-start, current limiting, and thermal shutdown for robust operation.  

### **Features:**  
- **Wide Input Voltage Range:** 4.5V to 28V  
- **Adjustable Output Voltage (Down to 0.7V)**  
- **Adjustable Switching Frequency (100kHz to 600kHz)**  
- **Synchronous Rectification for High Efficiency**  
- **Voltage Mode Control with Feed-Forward Compensation**  
- **Programmable Soft-Start**  
- **Current Limit Protection**  
- **Thermal Shutdown Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Small MSOP-10 Package**  

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

Application Scenarios & Design Considerations

Low Input (2.25V-5.5V) 300 kHz Frequency, Synchronous Buck Controller, Source/ Sink

Alternative Part Number

  • LM2743MM --: Synchronous buck controller in a different series with comparable input voltage range and gate drive, suitable for similar DC-DC conversion designs.
  • ISL6545CBZ --: Single-phase synchronous buck PWM controller from a different vendor and series, offering similar functionality for point-of-load converters.
  • NCP1587DR2G --: Low-voltage synchronous buck controller with comparable features, providing a cross-vendor alternative for similar power supply applications.
  • NCP1587ADR2G --: Low-cost synchronous buck controller with similar input range and feedback scheme, usable as an alternative with layout review.

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