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IRIRS20921700W单路D类音频

2019/05/15 来源:榆林信息港

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IR IRS2092 1700W单路D类音频功率放大方案 - 消费电子 - 电子工程IRAUDAMP9:1.7 kW / 2-Ω Sin

IR IRS2092 1700W单路D类音频功率放大方案 - 消费电子 - 电子工程

IRAUDAMP9:1.7 kW / 2-Ω Single Channel Class D Audio Power Amplifier Using the IRS2092S and IRFB4227

The IRAUDAMP9 reference design is a single-channel 1.7-kW ( @ 2Ω load) half-bridge Class D audio power amplifier. This reference design demonstrates how to use the IRS2092S Class D audio controller and external gate buffer, to implement protection circuits, and design an optimum PCB layout using the IRFB4227 (x 2 Pairs) TO-220 MOSFETs. This reference design may require additional heatsink or fan for normal operation (one-eighth of continuous rated power). The reference design provides all the required housekeeping power supplies for ease of use. The 1-channel design is capable of delivering higher than its rated power with provision of larger heat sink ( Rth 2° C / W).

1700W单路D类音频功率放大器主要应用:

Pro-Audio amplifiers

Powered speakers

Active Sub-woofers

P.A. Systems

Car audio amplifiers

Musical Instrument amplifier

1700W单路D类音频功率放大器主要特性:

Output Power: 1.7 kW Single channel (2 Ω load, 1kHz, THD+N=10%),

Residual Noise: 290μV, IHF-A weighted, AES-17 filter

Distortion: 0.07% THD+N @ 600W, 2Ω

Efficiency: 97% @ 1.7 kW, 2Ω

Multiple Protection Features: Output Over-current protection (OCP), high side and low side

Input Over-voltage protection (OVP),

Input Under-voltage protection (UVP),

Output DC-offset protection (DCP),

Over-temperature protection (OTP)

PWM Modulator: Self-oscillating half-bridge topology with optional clock synchronization

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