IR IRS2092 1700W单路D类咅频功率放人方案
2012-10-30 22:37:47|
分类： 默认分类|字号 订阅
800kHz,
IR公司的IRS2092是集成了 PWM调制器和保护的高压高性能 D类音频放大器，工作频率高达
± 100 V额定电压是可提供 500W输岀功率，主要用在家庭影院，密你立体声系统，通用音频放大器等。本 文介绍IRS2092主要特性，方框图，典型连接图，典型应用电路图以及 图，主要特性，电路图和材料清单。
1700W单路D类音频功率放大器框
The IRS2092 is a high voltage, high performance Class D audio amplifier driver with PWMInodulator and protection.
In conjunction with two external MOSFET and a few external components, a complete Class D audio amplifier with protection can be realized.
International Rectifier ' s proprietary noise isolation technology allows high current gate drive stage and high speed low noise error amplifier reside on a single small silicon elements of PWM modulator section allow flexible PWM topology implementation.
IRS2092主要特性:
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
IRS2092典型应用:
Home theater systems
Mini component stereo systems
Powered speaker systems
General purpose audio power amplifiers
图1。IRS2092方框图
图2。IRS2092典型连接图
图3o IRS2092典型应用电路图
1700W单路D类音频功率放大器
IRAUDAMF： kW / 2- Q Single Channel Class D Audio Power Amplifier Using the IRS2092S and IRFB4227 The IRAUDAMP9eference design is a single-channel ( @2 Q 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 PCBlayout 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
.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: kW Single channel (2
Q load, 1kH z, THD+N=10%),
Residual Noise: 290 卩 V, IHF-A weighted, AES-17 filter Distortion: % THD+N @ 600W, 2 Q
Efficiency: 97% @ kW, 2 Q
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
图4。1700W单路D类音频功率放大器功能方框图
图5。1700W单路D类音频功率放大器外形图
图5。IRS2092S保护电路功能框图
图6。1700W单路D类音频功率放大器测试图
图7。1700W单路D类音频功率放大器电路框图
图8。1700W单路D类音频功率放大器电路图(1)
图9。1700W单路D类音频功率放大器主板输入/输出电源连接图
图10。1700W单路D类音频功率放大器主板电路图(1)
图9。1700W单路D类音频功率放大器子板电路图
irirs20921700w单路d类音频功率放大方案
