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TPS51117RGYTG4 from TEXAS

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TPS51117RGYTG4

Manufacturer: TEXAS

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51117RGYTG4 TEXAS 1990 In Stock

Description and Introduction

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-VQFN -40 to 85 The TPS51117RGYTG4 is a power management IC (PMIC) manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable (supports 3.3V and 5V rails)  
- **Switching Frequency:** 300kHz to 2MHz (programmable)  
- **Number of Outputs:** 2 (dual-channel)  
- **Output Current:** Up to 6A (shared between channels)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin VQFN (RGY)  

### **Descriptions:**
- The TPS51117RGYTG4 is a synchronous buck controller designed for high-efficiency power conversion in notebook and desktop applications.  
- It integrates two PWM controllers to generate 3.3V and 5V system rails from a wide input voltage range.  
- The device supports power sequencing and includes protection features such as overcurrent, overvoltage, and thermal shutdown.  

### **Features:**
- **Dual-Output PWM Controller:** Provides regulated 3.3V and 5V outputs.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Soft-Start Control:** Prevents inrush current during startup.  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Low Quiescent Current:** Enhances power-saving performance.  

This IC is commonly used in computing, industrial, and embedded systems requiring stable dual-rail power supplies.  

(Source: Texas Instruments Datasheet for TPS51117RGYTG4)

Application Scenarios & Design Considerations

1.8V to 28V Input Sync. Step Down Controller with DCAP? Mode, Optimized for Light Load Efficiency 14-VQFN -40 to 85

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