irs2053m 主要特性:

51電子網公益庫存:

AX4863

CXA1645M

E28F016S595

F9006DC

TIL824

R6645-20

UPD2532

6311AS

VER1

X2118-9

• 3 channel integrated analog input class d audio amplifier drivers

• versatile protection control enabling latched, nonlatched, or host controlled shutdown function

• dc offset detection input

• clipping detection

• thermal sensor inputs

• fault output

• programmable over current protection

• programmable dead-time generation

• startup click noise reduction

• under voltage protection

• high noise immunity

圖1. irs2053m 功能方框圖

圖2. irs2053m 典型連接框圖

圖3. irs2053m  ota輸入噪音電壓測試電路圖

采用irs2053m 和irf6665的120wx3路d類音頻功率放大器參考設計

120w x 3 channel class d audio power amplifier using the irs2053m and irf6665

圖4.120wx3路d類音頻功率放大器iraudamp11外形圖

the iraudamp11 demo board is a reference design which uses only one ic (irs2053m) to derive appropriate input signals, amplify the audio input, and achieve a three-channel 120 w/ch (4Ω, thd+n=1%) half-bridge class d audio power amplifier. the reference design demonstrates how to use the irs2053m class d audio controller and gate driver ic, implement protection circuits, and design an optimum pcb layout using irf6665 directfet mosfets. the reference design contains all the required housekeeping power supplies for ease of use. the three-channel design is scalable, for power and number of channels.

iraudamp11主要特性:

output power: 120w x 3 channels (4Ω, thd+n=1%) or 170w x 3 channels (4Ω, thd+n=10%)

residual noise: 220v, ihf-a weighted, aes-17 filter

distortion: 0.02% thd+n @ 60w, 4Ω

efficiency: 90% @ 120w, 4Ω, single-channel driven, class d stage

multiple protection features: over-current protection (ocp), high side and low side

over-voltage protection (ovp),

under-voltage protection (uvp), high side and low side

over-temperature protection (otp)

pwm modulator: self-oscillating half-bridge topology with optional clock synchronization

iraudamp11指標:


iraudamp11應用:

av receivers

home theater systems

mini component stereos

powered speakers

sub-woofers

musical instrument amplifiers

automotive after market amplifiers

圖5.簡化iraudamp11 d類功率放大器方框圖

圖6.系統級iraudamp11方框圖

圖7.iraudamp11 d類功率放大器電路圖
iraudamp11電材料清單(bom):



iraudamp11機械材料清單(bom):
ir 公司的irs2053m集成了三路高壓高性能d類音頻功率放大器驅動器和pwm調制器和保護電路.和外接mosfet以及元件一起,可以實現完整的3路d類音頻功率放大器.本文介紹了irs2053m 主要特性, 功能方框圖, 典型連接框圖, ota輸入噪音電壓測試電路圖以及采用irs2053m 和irf6665的120wx3路d類音頻功率放大器參考設計iraudamp11主要特性, d類功率放大器方框圖和系統級iraudamp11方框圖,電路圖以及所用電材料清單和機械材料清單.