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TPA1517NEG4
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TPA1517NEG4

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: Mono, Class D, 6-Watt Power Stage
  • Package: 8-Pin Small Outline Integrated Circuit (SOIC)
  • Essence: High-performance audio amplifier IC
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.5V to 5.5V
  • Output Power: 6 Watts at 10% THD+N into an 8Ω Load
  • Efficiency: Up to 90%
  • Shutdown Current: <1µA
  • Operating Temperature Range: -40°C to +85°C
  • Total Harmonic Distortion + Noise (THD+N): 0.1% at 1W, 1kHz
  • Signal-to-Noise Ratio (SNR): >100dB
  • Gain: Fixed at 20dB

Detailed Pin Configuration

The TPA1517NEG4 features an 8-pin SOIC package with the following pin configuration:

  1. VDD: Power supply voltage input
  2. GND: Ground reference
  3. SD: Shutdown control input
  4. IN+: Positive audio input
  5. IN-: Negative audio input
  6. BP: Bypass capacitor connection
  7. OUT: Amplified audio output
  8. FB: Feedback pin for gain setting

Functional Features

  • High-efficiency Class D operation for reduced power consumption and heat dissipation
  • Low shutdown current for power-saving applications
  • Fixed gain simplifies design and eliminates the need for external components
  • Short-circuit and thermal protection for enhanced reliability
  • Wide supply voltage range allows flexibility in system integration

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life in portable applications - Small package size enables compact designs - Fixed gain simplifies circuit design and reduces component count

Disadvantages: - Limited output power compared to higher wattage amplifiers - Class D amplifiers may introduce some distortion at high frequencies

Working Principles

The TPA1517NEG4 is a mono audio amplifier IC that utilizes Class D technology. It operates by converting the input audio signal into a pulse-width modulated (PWM) signal, which is then amplified using a switching power stage. This allows for high efficiency and reduced power dissipation.

Detailed Application Field Plans

The TPA1517NEG4 is suitable for various audio amplification applications, including but not limited to: - Portable speakers - Headphones and earphones - Home audio systems - Automotive audio systems - Multimedia devices

Detailed and Complete Alternative Models

  1. TPA3116D2: 50-Watt Stereo Class D Audio Amplifier
  2. LM386: Low Voltage Audio Power Amplifier
  3. MAX9744: 20-Watt Stereo Class D Audio Power Amplifier
  4. TDA7297: Dual Bridge Audio Amplifier

These alternative models offer different power outputs, features, and package options to suit specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPA1517NEG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TPA1517NEG4 in technical solutions:

  1. Q: What is TPA1517NEG4? A: TPA1517NEG4 is a mono, filter-free Class-D audio amplifier integrated circuit (IC) designed for low-power applications.

  2. Q: What is the maximum output power of TPA1517NEG4? A: The maximum output power of TPA1517NEG4 is typically 6 watts into an 8-ohm load with a 5V power supply.

  3. Q: Can TPA1517NEG4 operate on a single power supply? A: Yes, TPA1517NEG4 can operate on a single power supply ranging from 4.5V to 11V.

  4. Q: Does TPA1517NEG4 require external components for operation? A: Yes, TPA1517NEG4 requires a few external components such as input and output capacitors, feedback resistors, and a power supply decoupling capacitor.

  5. Q: What is the typical efficiency of TPA1517NEG4? A: The typical efficiency of TPA1517NEG4 is around 85% at full output power.

  6. Q: Can TPA1517NEG4 be used in battery-powered applications? A: Yes, TPA1517NEG4 is suitable for battery-powered applications due to its low power consumption and wide operating voltage range.

  7. Q: Is TPA1517NEG4 suitable for driving speakers directly? A: Yes, TPA1517NEG4 can drive speakers directly as it has a built-in protection circuitry for short-circuit and thermal protection.

  8. Q: What is the input voltage range of TPA1517NEG4? A: The input voltage range of TPA1517NEG4 is typically 0.2V to 1.8V, making it compatible with various audio sources.

  9. Q: Can TPA1517NEG4 be used in automotive applications? A: Yes, TPA1517NEG4 can be used in automotive applications as it meets the AEC-Q100 Grade 3 qualification standards.

  10. Q: Are there any application notes or reference designs available for TPA1517NEG4? A: Yes, Texas Instruments provides application notes and reference designs that showcase the proper implementation of TPA1517NEG4 in different technical solutions.

Please note that these answers are general and may vary depending on specific design considerations and requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.