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Автомобильный внешний усилитель

Описание:
The PMP11186 reference design is a non-isolated Push-Pull converter that operates from 6V - 16Vin and supplies +/- 25V@5A out (250W max). This design operates at 200KHz with a peak efficiency of 88% (Vin = 12V).
Возможности:

250W peak output power at 6V input 86% full load and 88% half load efficiency Excellent output regulation with balanced differential loading

Документация:
  • Схемотехника
  • BOM
  • Тестирование
Описание:
The PMP11769 reference design is a complete solution for a 700W automotive audio amplifier. The boost converter provides 36.0V @ 10.0A continuous / 20.0A peak from an input voltage of 9 .. 16V. It contains two Class-D amplifiers which provide 2x 175W @ 4 Ohm load (left & right channel) and 1x 350W @ 2 Ohm (subwoofer).The design is well suited for car audio external amp applications due to its thin profile and high power output.
Возможности:

Easily integrated into automotive systems with 50V load dump and integrated protection system Ultra-HD audio for best quality sound for any integrated Class-D amplifier 100kHz bandwidth, which enables support for high resolution audio files and formats Low noise, which eliminates the "hiss" or "buzz" sounds

Документация:
  • Схемотехника
  • BOM
Описание:
TIDA-00733 is a reference design for an eight-channel, Class-D amplifier that is capable of driving 2-Ω loads and an off-battery step-down power supply with 5-V and 3.3-V outputs. The amplifier design provides audio inputs for each audio channel. A high-performance audio analog-to-digital converter (ADC) creates the digital data stream from the audio inputs and creates the digital timing for the system.
Возможности:

Operating voltage range: 4.5V to 18V Withstands transients to 40V 2.1 MHz switching frequency for both power supply and Class D amplifiers 45 watts per channel into 2 ohms at 10% total harmonic distortion plus noise Passes CISPR-25 Class 5 radiated emissions

Документация:
  • Даташит
  • Схемотехника
  • BOM
Описание:
The TIDA-00743 reference design is a small module designed for evaluation of a digital-input class-D audio amplifier in a system which has been designed for a typical class AB audio power amplifier module. This design demonstrates the reduction in power dissipation that a class D amplifier provides. This design demonstrates how 2.1 MHz operation of a TAS6424-Q1 enables a compact power amplifier solution.
Возможности:

Audio output power: 21W per channel at 1% THD+N Meets automotive CISPR25 Class-5 EMI requirements Wide power supply voltage range of 4.5V to 18V 40V load dump protection Small size: 42.3mm x 53.5mm

Документация:
  • Даташит
  • Схемотехника
  • BOM
  • Топология платы
Описание:
This reference design implements a 10 amp, two-phase boost converter with an adjustable output voltage that can be dynamically set for voltages from 16V to 40V DC. The output voltage range allows tracking an audio signal when provided by either a PWM signal from a processor or a voltage.
Возможности:

PWM or DC level control of output voltage Allows adjustment of audio amplifier power supply to match signal conditions Input Voltage Range: 9V to 16V Output Voltage Range: 16V to 40V 10 amp output

Документация:
  • Схемотехника
  • BOM

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