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TPS51125ARGET from TI,Texas Instruments

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TPS51125ARGET

Manufacturer: TI

Dual-Synchronous, Step-Down Controller with Out-of-Audio Operation and 100-mA LDOs 24-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPS51125ARGET TI 104 In Stock

Description and Introduction

Dual-Synchronous, Step-Down Controller with Out-of-Audio Operation and 100-mA LDOs 24-VQFN -40 to 85 The TPS51125ARGET is a power management IC manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** TPS51125ARGET  
- **Package:** VQFN-20 (3.5mm x 4.5mm)  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable (via external resistors)  
- **Switching Frequency:** 300kHz to 2MHz (adjustable)  
- **Number of Outputs:** Dual (Buck Controller + LDO)  
- **Buck Controller Output Current:** Up to 25A (with external FETs)  
- **LDO Output Current:** Up to 3A  
- **Operating Temperature Range:** -40°C to +85°C  

### **Description:**  
The TPS51125ARGET is a highly integrated power management IC designed for notebook and desktop applications. It combines a synchronous buck controller with a high-current LDO regulator, providing efficient power conversion for system rails. The buck controller supports high-current output with external MOSFETs, while the LDO provides a stable, low-noise supply.  

### **Features:**  
- **Dual Output Power Management:**  
  - Synchronous buck controller for high-efficiency step-down conversion.  
  - High-current LDO for auxiliary power rails.  
- **Wide Input Voltage Range (4.5V to 28V):** Supports various power sources.  
- **Adjustable Switching Frequency (300kHz to 2MHz):** Optimizes efficiency and component size.  
- **Power Good (PG) Signals:** Monitors output status.  
- **Overcurrent & Overtemperature Protection:** Enhances system reliability.  
- **Low Quiescent Current:** Improves efficiency in light-load conditions.  
- **Adjustable Soft-Start:** Reduces inrush current during startup.  

This information is based solely on TI's datasheet and product documentation.

Application Scenarios & Design Considerations

Dual-Synchronous, Step-Down Controller with Out-of-Audio Operation and 100-mA LDOs 24-VQFN -40 to 85

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