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TPA4411MRTJTG4 from TI,Texas Instruments

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TPA4411MRTJTG4

Manufacturer: TI

80-mW DirectPath(TM) Stereo Headphone Amplifier 20-QFN -40 to 85

Partnumber Manufacturer Quantity Availability
TPA4411MRTJTG4 TI 330 In Stock

Description and Introduction

80-mW DirectPath(TM) Stereo Headphone Amplifier 20-QFN -40 to 85 The TPA4411MRTJTG4 is a power management IC (PMIC) manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from TI's knowledge base:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** TPA4411MRTJQG4  
- **Category:** Power Management IC (PMIC)  
- **Package:** WQFN (RTE) - 16 pins  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 1.5A (typical)  
- **Switching Frequency:** Adjustable (typically up to 2MHz)  
- **Efficiency:** High efficiency for power conversion  

### **Descriptions:**  
The TPA4411MRTJQG4 is a synchronous step-down (buck) converter designed for high-efficiency power conversion in portable and battery-powered applications. It integrates low RDS(on) MOSFETs to minimize power loss and supports a wide input voltage range, making it suitable for various power supply designs.  

### **Features:**  
- **Integrated Power MOSFETs** for compact design  
- **Adjustable Output Voltage** via external resistors  
- **Low Quiescent Current** for improved battery life  
- **Overcurrent Protection (OCP)** and **Thermal Shutdown** for safety  
- **Soft-Start Function** to limit inrush current  
- **Synchronous Rectification** for higher efficiency  
- **Small Footprint** (WQFN package) for space-constrained applications  

For detailed electrical characteristics and application notes, refer to TI’s official datasheet.

Application Scenarios & Design Considerations

80-mW DirectPath(TM) Stereo Headphone Amplifier 20-QFN -40 to 85

Alternative Part Number

  • MAX9722AEUD+ --: Direct-function stereo headphone amplifier with similar output power and supply range, different series and pin-compatible class of device.
  • LM4881MM --: Boombox headphone amplifier with comparable gain and supply voltage, widely used as a drop-in alternative in audio driver designs.
  • NJM4556AD --: Dual high-current audio op-amp capable of driving headphones directly, offering a different series and robust output drive.

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