S6SAP413A, 3ch Buck DC/DC + 1ch Buck/Boost Evaluation Board
Operation Guide,
Doc. No. 002-08678 Rev. *A
13
6. Circuit Schematic
Figure 9. Circuit Schematic for Power Block
LX3_2
PGND3
LX3_1
PVCC3
PVCC2
LX2
PGND2
PGND1
PGND4
LX4
PVCC4
IN4
DVCC
SDA
PG1
AVCC
VREF18
CTLMAIN
IN1
PVCC1
LX1
IN2
CTL1
CTL2
CTL3
CTL4
GND
SCL
PG2
VO3
PG3
PG4
EP
M1
3
3
31
30
32
29
14
1
3
12
11
10
9
8
22
23
24
25
26
27
28
15
16
17
18
19
20
21
7
6
5
4
3
2
1
1uH
L1
Vo1
1uH
L4
Vo2
1uH
L2
1uH
L3
DVCC
SCL
SDA
DVCC
Vi2
GND1
PG1
SCL
SDA
CTLM
C1
4.
7uF
C1
1
4.
7uF
C4
4.
7uF
4.
7uF
C7
C1
6
1uF
C1
5
0.
1uF
PG2
C1
4
0.
1uF
R7
100Kohms
R6
100Kohms
R5
100Kohms
Vo3
PG3
CTL1
CTL2
CTL3
CTL4
GND2
Vi1
VIN
VIN
VIN
VIN
VIN
VIN
VIN
VIN
Vo4
VIN
PG4
100Kohms
R4
VIN
R8
R9
CN1
1
3
5
7
9
11
13
15
17
19
20
18
16
14
12
10
8
6
4
2
VBUS
I2CVCC
SDA
GND2
GND3
GND4
GND5
P15
P21
P23
P22
GND6
P14
P13
P12
P11
P10
SCL
USBVCC
GND1
SCL
SDA
DVCC
VIN
R1
0ohms
R3
10K
ohm
s
C2
47uF
C1
2
47uF
C8
33uF
C5
22uF
JP1
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