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IRS2092 STEREO CLASS D AMPLIFIER SCHEMATIC CIRCUIT DIAGRAM

Schematic Diagram of IRS2092 Stereo Class D Amplifier: The Genlede IRS2092 Stereo enables the construction of high-power Class D amplifier circuits, albeit at an increased cost proportional to the power output. In this project, the amplifier delivers an RMS of 2X50W with 4-ohm speakers. The power of the IRS2092 Class D amplifier is harnessed through MOSFETs, operating at a voltage of 2X35V. The symmetrical IRS2092 Stereo integrates with a 12V source over the 35V using 7812 regulators. These regulators step down the voltage, maintaining stability. To achieve this, a 7812 regulator manages the 12V output by incorporating an additional transistor in the zener regulator, ensuring the input voltage stays within the desired range. The power supply utilizes a transformer delivering 2x25V AC at 225W.

The central component of the protection circuit is a FET transistor linked to the power supply branch of the IRS2092 integrated circuit. When a positive voltage is applied to the transistor’s control electrode, the power supply ground voltage and the comparator halt the modulation process.

IRS2092 CLASS D AMPLIFIER CIRCUIT DIAGRAM LM1036 PREAMPLIFIER CIRCUIT DIAGRAM

IRS2092 STEREO CLASS D AMPLIFIER SCHEMATIC CIRCUIT DIAGRAM 1

SCHEMATIC CIRCUIT DIAGRAM 2

SCHEMATIC CIRCUIT DIAGRAM 3

The LM1036 is employed for preamplification and adjusting tonal sound elements such as balance, treble, and bass in the input stage of the Class D amplifier. This configuration is versatile and can be applied in various amplifier circuits housed on a separate PCB. The same flexibility applies to the rectification and power filtering stage.

COMPLETED CLASS D AMPLIFIER PROJECT

irs2092 amplifier circuit diagram

irs2092 amplifier circuit diagram

The IRS2092 is an advanced Class D audio amplifier driver equipped with a PWM modulator and protective features, designed for high voltage and high performance. When paired with two external MOSFETs and a handful of external components, it enables the creation of a fully functional Class D audio amplifier with built-in protection mechanisms.

Utilizing International Rectifier’s exclusive noise isolation technology, this design incorporates a high-current gate drive stage and a high-speed, low-noise error amplifier on a compact silicon die, streamlining the amplifier’s performance and efficiency.

Features

  • Integrated analog input Class D audio amplifier driver in a small 16-pin package
  • Floating inputs enable easy half-bridge implementation
  • Programmable bidirectional over-current protection with self-reset function
  • Programmable preset deadtime for improved THD performances
  • Start and stop click noise reduction
  • High noise immunity
  • 100 V ratings deliver up to 500 W in output power
  • Operates up to 800 kHz
  • RoHS compliant
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