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TPS51220RHBT . from BB/TI

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TPS51220RHBT .

Manufacturer: BB/TI

Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller 32-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51220RHBT .,TPS51220RHBT BB/TI 856 In Stock

Description and Introduction

Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller 32-VQFN -40 to 85 The TPS51220RHBT is a synchronous buck controller manufactured by Texas Instruments (BB/TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.7V to 5.5V  
- **Switching Frequency:** Adjustable (300kHz to 1.2MHz)  
- **Output Current:** Supports up to 20A (with external FETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin VQFN (RHBT)  

### **Descriptions:**  
The TPS51220RHBT is a high-performance synchronous buck controller designed for high-current, low-voltage applications. It integrates a gate driver and supports external power MOSFETs for flexible power stage design.  

### **Features:**  
- **Adaptive On-Time Control** for fast transient response  
- **Adjustable Soft-Start** to limit inrush current  
- **Pre-Biased Output** compatibility  
- **Power Good (PG) Indicator** for monitoring output status  
- **Overcurrent Protection (OCP)** and **Overvoltage Protection (OVP)**  
- **Thermal Shutdown** for safety  

This controller is commonly used in point-of-load (POL) regulators, servers, storage systems, and telecom infrastructure.

Application Scenarios & Design Considerations

Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller 32-VQFN -40 to 85

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