Power Amplifier Class D D4k5 1000W 4500W
This High Power Amplifier circuit is a class D power amplifier, which has high enough power to generate 300W of power at 8 Ohm – and also more power up to 500W at 4 Ohm. This Power Amplifier can generate great power if given enough power supply. For example, you can use a 30A transformer with 100V symmetric voltage.  
This more high power than this D4k5 see here: Class D Fullbridge D2K5 
Here is the circuit scheme of High Power Class-D Amplifier D4K5:

Power Amplifier Class D D4K5 4500W Circuit Diagram
View larger schematic image here: Power Amplifier Class-D D4K5

Component List
Resistor
R1, R3, R4, R9, R13, R18, R19, R20= 1K
R2, R16, R39= 100K
R5, R6= 10R
R7, R8=6K8/2W
R10, R21, R26, R27=4K7
R11, R17=6K8
R12=100R
R14, R15=4R7
R22, R23, R24, R25, R31, R33=47R
R28, R29, R30=0,1R/2W
R36, R38=22R/2W
R40=1K5/5W
R41=10R/2W
RV1=10K Trimpot
Capacitor
C1=10uF/16V
C2=10N
C3, C4=1N
C5=470uF/16V
C6=220uF/16V
C7, C9, C11, C12, C13, C15, C16, C18, C19=100N MKP
C8=470uF/16V
C10, C14, C17=100uF/16V
C20=10uF/50V
C21, C22, C23=220N/475V
C24, C25, C26=470uF/180V
C27, C31, C33=100N/275V
C28, C29, C30=470uF/180V
C32=470N/250V
Diode
D1, D2, D5, D10, D11= 1N4148
D3, D4= ZD5V6
D6, D18, D19= MUR460
D7= LED (RED) OCP
D8= ZD5V6
D9= LED (BLUE)
D12,D13,D14,D15,D16,D17= 1N5819
Transistor
Q1= 2N5401
Q4, Q6= BD139
Q5, Q7= BD140
Q8, Q9, Q10, Q11, Q12, Q13= IRFP260
IC
U1= TL071
Q2= CD4049
Q3= IR2110
U2= NE555
U3= LM311
Class d power amplifier circuit
ir2110 irfp4227 mur460 mur860 cd4049 tl071
The Power Amplifier is using view components and this power amplifier includes OCP, DCP. And using 6x N-Channel Power Mosfet. You can use IRFP260, IRFP4227, IRFP4242, and others. If you want to make this power amplifier, see the following PCB Layout Design
PCB Layout Class D 4500W power amplifier
View larger PCB Layout Design: PCB Class-D D4K5
DOWNLOAD PCB .PDF: PCB Layout Design Class D D4K5

Video Tested Class-D D4K5 Amplifier: https://www.youtube.com/watch?v=IV0nCL2RTz4


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  1. Pingback: PCB Power Class D: Tăng Cường Hiệu Suất Cho Amply Điện Tử [Bấm Để Xem Ngay]

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