基于TDA2030的功放板原理图
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6
5
VS
4
3
2
LTR ECO NO:
1
REVISION RECORD APPROVED: DATE:
2
100k
1
D
220uf
R3
D1
+
C4
C1 0.1uf
D
IN+ 1 +
2
+
VDD 5 U1
C6
4 OUT
2200uf 1 2
U4
150uf C18
C2
2.2uf
2
100k
IN-
R1
3 TDA2030A VSS R4
B <Drawing Number> <Revision>
SHEET:
<Released By>
<Release Date>
<Scale>
1 OF
1
U3 2
6 5
2
100k 2 1 1
R16
C8
U6
VS
3 1 2
Q1 C20 150uf
+
C
90.9k
1
R14
R18
1
1
VS
2
100k
1
220uf
R9
IN+ 1 +
2
+
VDD 5 U2
D3
+
C11
C7 0.1uf
C12
4 OUT
2200uf 1 2
U5
C9
100k
R7
B
2.2uf
2
IN-
+
1
20m
R19
1nf C19
2
3 TDA2030A VSS R10
1
2
CONNECT
B
2
100k 2 100k 1
+
2.2uf
C10 R8
R11
2.2uf
+
C13 D4 C14 0.1uf COMPANY:
1
1
1
<Company Name> <Title> A
2 4.7k
R12
TITLE:
1
DRAWN:
DATED:
A
<Drawn By>
CHECKED:
<Drawn Date>
DATED:
<Checked By>
QUALITY CONTROL:
<Checked ቤተ መጻሕፍቲ ባይዱate>
DATED:
CODE:
SIZE:
DRAWING NO:
REV:
<QC By>
RELEASED:
<QC Date>
DATED:
<Code>
SCALE:
2 22.6k
2
R13
1 20k 2 2
4.7k
R6
LM3481 169k
2
C
1 2 3 4 5
ISEN VIN UVLO VCC COMP DR FB PGND AGND SD...
10 9 8 7 6
C17 1uf
5
1 4
3 6
2.2uf
R 2
R5
+
L1
+
1
C3
C16 390pf
JACK/3.5MM_6PIN J1
+
+
7 9 1 2 3 4 5 D5 VBUS DD+ DET GND 6 8 11 10 J2 MICRO-USB-11P
2
CONNECT 2 1 2
121k 1
POTENTIOMETER
R17
121k 6.8UH
1
100k
2.2uf
R2
4 L 3 G 1
C15 82nf
D2
1
C5 0.1uf
1
R15
5
VS
4
3
2
LTR ECO NO:
1
REVISION RECORD APPROVED: DATE:
2
100k
1
D
220uf
R3
D1
+
C4
C1 0.1uf
D
IN+ 1 +
2
+
VDD 5 U1
C6
4 OUT
2200uf 1 2
U4
150uf C18
C2
2.2uf
2
100k
IN-
R1
3 TDA2030A VSS R4
B <Drawing Number> <Revision>
SHEET:
<Released By>
<Release Date>
<Scale>
1 OF
1
U3 2
6 5
2
100k 2 1 1
R16
C8
U6
VS
3 1 2
Q1 C20 150uf
+
C
90.9k
1
R14
R18
1
1
VS
2
100k
1
220uf
R9
IN+ 1 +
2
+
VDD 5 U2
D3
+
C11
C7 0.1uf
C12
4 OUT
2200uf 1 2
U5
C9
100k
R7
B
2.2uf
2
IN-
+
1
20m
R19
1nf C19
2
3 TDA2030A VSS R10
1
2
CONNECT
B
2
100k 2 100k 1
+
2.2uf
C10 R8
R11
2.2uf
+
C13 D4 C14 0.1uf COMPANY:
1
1
1
<Company Name> <Title> A
2 4.7k
R12
TITLE:
1
DRAWN:
DATED:
A
<Drawn By>
CHECKED:
<Drawn Date>
DATED:
<Checked By>
QUALITY CONTROL:
<Checked ቤተ መጻሕፍቲ ባይዱate>
DATED:
CODE:
SIZE:
DRAWING NO:
REV:
<QC By>
RELEASED:
<QC Date>
DATED:
<Code>
SCALE:
2 22.6k
2
R13
1 20k 2 2
4.7k
R6
LM3481 169k
2
C
1 2 3 4 5
ISEN VIN UVLO VCC COMP DR FB PGND AGND SD...
10 9 8 7 6
C17 1uf
5
1 4
3 6
2.2uf
R 2
R5
+
L1
+
1
C3
C16 390pf
JACK/3.5MM_6PIN J1
+
+
7 9 1 2 3 4 5 D5 VBUS DD+ DET GND 6 8 11 10 J2 MICRO-USB-11P
2
CONNECT 2 1 2
121k 1
POTENTIOMETER
R17
121k 6.8UH
1
100k
2.2uf
R2
4 L 3 G 1
C15 82nf
D2
1
C5 0.1uf
1
R15