Specifications

Audio Input:

• ¼ inch input jack

Preamp:

• LM386
• Gain: 20VV
• Input Voltage: -0.4 V to +0.4V
• Supply Voltage: 5V
• THD: 0.2%

Triangle Wave Generator:

• TLC555
• Frequency: 200kHz
• Peak to Peak Voltage: 2.17V
• Supply Voltage: 5V
• Not perfect triangle but good enough for the project

Comparator:

• LM393
• Max input voltage: 1Vpk
• Supply Voltage: 5V
• 2 comparators in 1 IC package
• Pull up resistor
• Input:

1. Audio signal from preamp
2. Triangle Wave

• Output:
  • PWM signal

Gate Driver:

• IR2113
• Generates deadtime
• Logic Supply Ranges: 3.3V to 20V
• Gate Driver Supply Voltage Range: 10V to 20V
• Bootstrap Capacitor
• Input:
  • HI PWM signal from comparator
  • LO PWM signal from comparator
• Output:
  • HI PWM signal with deadtime
  • LO PWM signal with deadtime
  • Floating Offset Voltage

Power Mosfets:

• IRLZ44N
• Power Dissipation: 110W
• Rds_on = 0.022
• VGS= 16V(i think this is 10V check with nic)
• Peak Current Burst: 5A

Low Pass Filter:

• Second Order LC Filter
• Cuttoff Freqeuncy = 20kHz
• 200kHz switching frequency attenuated by 40dB
• Plastic Film Conductors
• Iron Core Inductors

Voltage Regulator

• AC to DC Converter: VES120PS24
  • Output Power: 120W
  • Output Voltage: 24VDC
  • Output Current: 5A

• LM7805
  • 5V
  • Supplies Voltage to:
    • LM386 (preamp)
    • TLC555 (Triangle Wave generator)
    • IR2113(Vdd of Gate Driver)
• LM7812
  • 12V
  • Supplies Voltage to:
    • IR2113 (Vcc and Vbs of Gate Driver)