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TPS51621RHAT from TI,Texas Instruments

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TPS51621RHAT

Manufacturer: TI

Dual Phase, D-CAP+?Mode Step-Down Controller for IMVP6.5 CPU/GPU Vcore 40-VQFN -10 to 105

Partnumber Manufacturer Quantity Availability
TPS51621RHAT TI 250 In Stock

Description and Introduction

Dual Phase, D-CAP+?Mode Step-Down Controller for IMVP6.5 CPU/GPU Vcore 40-VQFN -10 to 105 The TPS51621RHAT 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:** 0.6V to 5.5V  
- **Switching Frequency:** Adjustable from 200kHz to 1MHz  
- **Output Current:** Supports high-current applications (controller only, requires external FETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 40-pin VQFN (RHAT)  

### **Descriptions:**  
The TPS51621RHAT is a high-performance synchronous buck controller designed for voltage regulator modules (VRMs) and point-of-load (POL) applications. It provides precise voltage regulation and supports high-current output when paired with external power MOSFETs.  

### **Features:**  
- **Dual N-Channel MOSFET Driver:** Supports synchronous rectification.  
- **Adaptive On-Time Control:** Enables fast transient response.  
- **Adjustable Soft-Start:** Prevents inrush current.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Overcurrent Protection (OCP):** Enhances system reliability.  
- **Thermal Shutdown:** Protects against overheating.  
- **Programmable Switching Frequency:** Allows optimization for efficiency and board space.  

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

Application Scenarios & Design Considerations

Dual Phase, D-CAP+?Mode Step-Down Controller for IMVP6.5 CPU/GPU Vcore 40-VQFN -10 to 105

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