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TPS51124 from TI,Texas Instruments

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TPS51124

Manufacturer: TI

Dual, Synchronous Step Down Controller for Low Voltage System Power

Partnumber Manufacturer Quantity Availability
TPS51124 TI 1635 In Stock

Description and Introduction

Dual, Synchronous Step Down Controller for Low Voltage System Power The TPS51124 is a dual-channel synchronous buck controller from Texas Instruments (TI). Here are its key specifications, descriptions, and features:

### **Manufacturer:**  
Texas Instruments (TI)  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.76V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Output Current:** Supports up to 10A per channel (dependent on external components)  
- **Efficiency:** Up to 95% (depends on application conditions)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The TPS51124 is a dual-channel synchronous buck controller designed for high-efficiency power conversion in notebook PCs, desktops, and other embedded systems.  
- It integrates gate drivers for N-channel MOSFETs and supports adjustable soft-start, voltage tracking, and power sequencing.  
- The device operates in either forced-PWM or diode-emulation mode for improved efficiency at light loads.  

### **Features:**  
- **Dual Independent Outputs:** Supports two synchronous buck converters.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Overcurrent Protection (OCP):** Uses inductor DCR sensing or external resistors.  
- **Overvoltage Protection (OVP) & Undervoltage Lockout (UVLO):** Ensures safe operation.  
- **Soft-Start Control:** Reduces inrush current during startup.  
- **Synchronization Capability:** Can sync to an external clock.  
- **Thermal Shutdown:** Protects against overheating.  

For detailed application notes and design support, refer to TI's official datasheet.

Application Scenarios & Design Considerations

Dual, Synchronous Step Down Controller for Low Voltage System Power

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