Chapter 1. Overview 1.1 Overview Welcome to use this 2*250W Class D audio amplifier board by Sure Electronics. It integrates high performance IRS2092 supporting dual channel audio amplification. Both of channels are capable of outputting nominal power simultaneously and continuously. It’s suitable for amplifier enthusiasts or hobbyists to finish a complete amplifier system.
2 X 250WATT CLASS D AUDIO AMPLIFIER BOARD – IRS2092 USER’S GUIDE Chapter 2. Hardware Detail 2.1 Power Connection To power the amplifier board, use terminal blocks CONN1. This board need to be powered by two 65V 7.5A power supply. The positive of one supply is connected to +B and the negative connected to Gnd.
LEDs are used for indicating PWM mode. When powered on, after one second delay, the two blue LEDs turn ON which indicates that PWM oscillation is present. This transition delay time is controlled by CSD pin of IRS2092, capacitor CP3. TABLE 2-4 INDICATOR DESCRIPTION...
2 X 250WATT CLASS D AUDIO AMPLIFIER BOARD – IRS2092 USER’S GUIDE Chapter 3. Electrical Characteristics Following table lists all typical data of the Amp board. For full specification, please refer to the data sheet of IRS20995 chip. TABLE 3-1 ELECTRICAL CHARACTERISTICS...
2 X 250WATT CLASS D AUDIO AMPLIFIER BOARD – IRS2092 USER’S GUIDE Chapter 5. Contact Us Sure Electronics Co., Ltd. East zone, 3F, Building 6 Jingang Technology Innovation Center No.108 Ganjiabian Rd (ZIP: 210000) Qixia District Nanjing P.R.China Tel: +86-25-68154800-860...
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