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TPS40001DGQRG4 from TI,Texas Instruments

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TPS40001DGQRG4

Manufacturer: TI, TEXAS

Low Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85

Partnumber Manufacturer Quantity Availability
TPS40001DGQRG4 TI, TEXAS 2308 In Stock

Description and Introduction

Low Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85 The TPS40001DGQRG4 is a synchronous buck controller manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.7V  
- **Switching Frequency:** Adjustable from 50kHz to 600kHz  
- **Maximum Duty Cycle:** 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Pin MSOP (DGQ)  

### **Descriptions:**  
The TPS40001DGQRG4 is a high-performance, wide-input-voltage synchronous buck controller designed for DC-DC converter applications. It integrates control, gate drive, and protection features to efficiently step down higher input voltages to lower output voltages.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 28V)** – Suitable for various power supply applications.  
- **Adjustable Output Voltage (Down to 0.7V)** – Supports low-voltage power rails.  
- **Programmable Switching Frequency (50kHz to 600kHz)** – Allows optimization for efficiency or component size.  
- **Synchronous Rectification** – Improves efficiency by reducing power loss.  
- **Integrated MOSFET Drivers** – Simplifies external component requirements.  
- **Soft-Start Function** – Prevents inrush current during startup.  
- **Overcurrent Protection (OCP)** – Enhances system reliability.  
- **Thermal Shutdown Protection** – Prevents damage from excessive heat.  
- **Adjustable Current Limit** – Provides flexibility in design.  

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

Application Scenarios & Design Considerations

Low Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85

Alternative Part Number

  • LM2743MM --: Synchronous buck controller with similar voltage-mode control and wide input range, available in small package, suitable drop-in functional replacement for many TPS40001 designs.
  • ISL6545CBZ --: Single-phase synchronous buck controller with comparable input voltage range and gate drive capability, pin-compatible footprint in many applications.
  • LTC3851AEMS --: Wide input synchronous step-down controller with similar control architecture and current-limit features, usable as a higher-performance alternative with layout adjustments.
  • LM27402SQ/NOPB --: Synchronous buck controller with similar wide input voltage range and current-mode control, suitable drop-in functional replacement in many designs.
  • LTC3851EGN#PBF --: Wide input synchronous step-down controller with similar control architecture, offering a cross-vendor alternative when TI parts are unavailable.

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