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TPS40190DRCRG4 from TI,Texas Instruments

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TPS40190DRCRG4

Manufacturer: TI, TI/BB

LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLER

Partnumber Manufacturer Quantity Availability
TPS40190DRCRG4 TI, TI/BB 6740 In Stock

Description and Introduction

LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLER The **TPS40190DRCRG4** is a synchronous buck controller manufactured by **Texas Instruments (TI)**.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** 0.8V to 5.5V  
- **Switching Frequency:** Adjustable from 200kHz to 1MHz  
- **Maximum Output Current:** Supports high-current applications (external FETs required)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 10-VSON (3mm x 3mm)  
- **Control Method:** Voltage-mode PWM  
- **Protection Features:** Overcurrent, undervoltage lockout (UVLO), and thermal shutdown  

### **Descriptions:**  
The TPS40190DRCRG4 is a **high-efficiency synchronous buck controller** designed for **point-of-load (POL) power supplies**. It supports **wide input voltage** and **adjustable output voltage**, making it suitable for various applications, including **telecom, industrial, and computing systems**.  

### **Features:**  
- **Adjustable Soft-Start** for controlled startup  
- **Pre-Biased Output Startup**  
- **External Synchronization Capability**  
- **Programmable Current Limit**  
- **Low-Side and High-Side Gate Drivers**  
- **Power-Good Output** for system monitoring  

This device is optimized for **high-performance power conversion** with **minimal external components**.  

Would you like additional details on any specific aspect?

Application Scenarios & Design Considerations

LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLER

Alternative Part Number

  • LM27402SQ/NOPB --: Synchronous buck controller with similar input voltage range and current-mode control, suitable as a functional substitute in many DC-DC designs.
  • ISL8117AFRZ --: Wide-input synchronous buck controller offering comparable switching frequency and gate drive capability, usable as a cross-vendor alternative.
  • LTC3855EUH --: Multi-phase synchronous buck controller with similar control architecture and voltage range, providing a robust alternative when layout is adjusted.

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