Microchip Technology AC164133 データシート
BUCK/BOOST CONVERTER
PICtail™ PLUS DAUGHTER
BOARD USER’S GUIDE
© 2008 Microchip Technology Inc.
DS70336A-page 53
Appendix 1. Schematics and Layouts
This appendix provides the board layout followed by schematics for the Buck/Boost
Converter PICtail Plus Daughter Board.
Converter PICtail Plus Daughter Board.
FIGURE 1-1:
BOARD LAYOUT
BU
CK
1+
GN
D
BU
CK
2+
Buck
/Boo
st C
onv
ert
er
PIC
tai
l Plus
Da
ughter
Boar
d
GN
D
BO
OS
T+
GN
D
Buc
k
1
Bu
ck 2
Boo
s
t
U1
C1
5
U2
TX
2
Q6
Q7
C1
3
R2
1
Q8
R2
2
R2
3
D5
R2
4
R25
C1
4
D6
R2
6
C1
6
C1
9
D8
TX
1
R2
7
R2
8
C17
C18
R2
9
R3
0
J5
Q1
Q2
C6
R3
Q3
R4
R5
D1
R6
R7
C7
D2
R8
C9
C1
2
D4
R9
R1
0
C10
C11
R1
1
R1
2
J4
R4
5
R4
7
D1
2
R5
8
C3
0
R3
9
D1
6
D7
R4
0
L4
Q11
J15
R4
1
R4
2
R31
R4
3
R2
0
Q1
3
R4
4
R46
D1
5
D1
1
R5
7
J1
1
C2
9
D3
Q1
2
C8
L3
R3
2
R3
3
R3
7
L5
C2
8
J1
4
C5
Q1
4
C2
4
C2
5
R5
2
D9
R5
3
R5
4
C2
6
C2
7
J8
R5
5
R56
D1
3
R5
9
D1
0
R1
3
R1
4
C2
0
R1
5
Q4
U3
R34
J1
J2
J3
R1
R2
PW
M
1
H
PW
M
1
L
PW
M2
H
PW
M2
L
PW
M
3
H
D1
7
D1
8
CS
1
CS
2
CS
3
R3
5
R3
6
D1
4
J9
RP
1
J10
R6
0
V+
GN
D
J6
C2
2
J12
J13
C2
C3
C4