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TPS51220RHBT from TI,Texas Instruments

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TPS51220RHBT

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
TPS51220RHBT TI 497 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 (TI). Here are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.7V to 5.5V (adjustable)  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Output Current:** Supports up to 20A (with external MOSFETs)  
- **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 provides precise voltage regulation and supports high-efficiency power conversion. The device integrates gate drivers for external N-channel MOSFETs and includes features for power sequencing, protection, and thermal management.  

### **Features:**  
- **Adjustable Output Voltage:** Supports a wide range via external resistor divider.  
- **Adjustable Switching Frequency:** Can be set between 300kHz and 1MHz.  
- **Integrated Gate Drivers:** Reduces external component count.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Soft-Start & Tracking:** Prevents inrush current and supports sequencing.  
- **Protection Features:** Includes overcurrent, overvoltage, undervoltage lockout (UVLO), and thermal shutdown.  
- **Synchronous Rectification:** Improves efficiency by reducing conduction losses.  

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

Application Scenarios & Design Considerations

Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller 32-VQFN -40 to 85
Partnumber Manufacturer Quantity Availability
TPS51220RHBT BB/TI 56640 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 (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** 0.7V to 5.5V  
- **Output Current:** Up to 20A  
- **Switching Frequency:** Adjustable (200kHz to 1MHz)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin VQFN (RHBT)  

### **Descriptions:**  
- The TPS51220RHBT is a high-efficiency synchronous buck controller designed for point-of-load (POL) applications.  
- It supports pre-biased output startup and provides accurate voltage regulation.  
- The device integrates gate drivers and supports adaptive dead-time control for improved efficiency.  

### **Features:**  
- **Wide Input Voltage Range:** 4.5V to 28V  
- **Adjustable Output Voltage:** 0.7V to 5.5V  
- **High-Efficiency Operation:** Up to 95%  
- **Adjustable Switching Frequency:** 200kHz to 1MHz  
- **Integrated Gate Drivers:** Reduces external component count  
- **Pre-Biased Output Startup:** Prevents negative current flow  
- **Adaptive Dead-Time Control:** Enhances efficiency  
- **Power Good Indicator:** Monitors output status  
- **Thermal Shutdown Protection:** Prevents overheating  

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

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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