NCP45491PMNGEVB
4
APPENDIX A: NCP45491 PAIRED MODE EVALUATION BOARD SCHEMATIC
Figure 1. NCP45491 Paired Mode Evaluation Board Schematic
SH_IN_N1
1
SH_IN_P1
2
BS_IN1
3
SH_IN_N2
4
SH_IN_P2
5
BS_IN2
6
SH_O2
7
NC
8
GND_FET
9
SH_O3
10
BS_I
N
3
11
SH
_I
N
_P3
12
SH
_IN_N3
13
BS_I
N
4
14
SH
_I
N
_P4
15
SH
_IN_N4
16
SH_O4
17
NC
18
DIFF_OUT_N
19
DIFF_OUT_P
20
NC
21
CM_REF_IN
22
BG_REF_OUT
23
BS_REF
24
SK
IP
25
MODE_SEL
26
VCC
27
EN
28
MUX_SEL
29
BS_OK
30
NC
31
SH_O1
32
GND
33
U1
NCP45491
VCC
GND
BS_REF
CM_R
EF
_IN
66.5K
R3
66.5K
R4
66.5K
R5
10K
R6
BG_REF_OUT
SH_IN_N1
SH_IN_P1
BS_IN1
SH_IN_N2
SH_IN_P2
BS_IN2
SH_O2
GND_FET
A
SH_O3
BS_I
N
3
SH
_I
N
_P3
SH
_IN_N3
SH_O1
SH_IN_N1
1
SH_IN_P1
2
BS_IN1
3
SH_IN_N2
4
SH_IN_P2
5
BS_IN2
6
SH_O2
7
NC
8
GND_FET
9
SH_O3
10
BS_I
N
3
11
SH
_I
N
_P3
12
SH
_IN_N3
13
BS_I
N
4
14
SH
_I
N
_P4
15
SH
_IN_N4
16
SH_O4
17
NC
18
DIFF_OUT_N
19
DIFF_OUT_P
20
NC
21
CM_REF_IN
22
BG_REF_OUT
23
BS_REF
24
SK
IP
25
MODE_SEL
26
VCC
27
EN
28
MUX_SEL
29
BS_OK
30
NC
31
SH_O1
32
GND
33
U2
NCP45491
VCC
GND
SH_IN_N4
SH_IN_P4
BS_IN4
SH_IN_N5
SH_IN_P5
BS_IN5
SH_O5
GND_FETB SH_O6
BS_I
N
6
SH
_I
N
_P6
SH
_IN_N6
SH_O4
DeviceA
BS_REF
CM_REF_IN
GND
0
R2
0
R1
BS_REF
CM_REF_IN
DeviceB
1
2
3
4
5
6
7
J100
BS_OK
MUX_SEL
EN
VCC
SK
IP
GND GND
DIFF_OUT_P
DIFF_OUT_N
GND
MUX_SEL
GND
100K
R9
EN
GND
J1
0
R7
DIFF_OUT_P
GND
DIFF_OUTP
DIFF_OUT_N
GND
DIFF_OUTN
MUX_SEL
BS_OK
EN
100K
R8
VCC
DNP
C1
3
1
2
J2
GND
VCC
SKIP
BS_OK
EN
MUX_SEL
DIFF_OUT_P
DIFF_OUT_N
BS_I
N
3
SH
_I
N
_P3
SH
_IN_N3
SH
_I
N
_P6
BS_I
N
6
SH
_IN_N6
5m
Rsense3
SH_IN2
VBUS_A
LOAD1
VBUS_B
LOAD2
LOAD3
LOAD4
5m
Rsense2
5m
Rsense1
5m
Rsense4
GND
GND8
2.49
R14
118K
R16
2K
R19
BS_IN2
SH_IN3
2.49
R15
57.6k
R17
2K
R20
BS_IN3
SH_IN5
2.49
R22
78k
R25
2k
R27
BS_IN5
SH_IN6
2.49
R23
78k
R26
2K
R28
BS_IN6
GND5
GND4
GND3
GND2
GND1
100
R10
SH_O1
GND
J4
100
R11
SH_O2
GND
J5
100
R12
SH_O4
GND
J7
100
R13
SH_O5
GND
J8
GND9
GND10
GND11
GND_FETA
B
T
E
F
_
D
N
G
B
T
E
F
_
D
N
G
GND_FETA
VBUS3
VBUS6
VBUS5
VBUS2
Set for 12V
DNP
C2
DNP
C3
DNP
C5
DNP
C4
0.1u
C6
0.1u
C11
0.1u
C7
0.1u
C12
GND7
GND6
5m
Rsense5
LOAD5
LOAD6
5m
Rsense6
VBUS_C
GND12
GND13
100
R18
SH_O3
GND
J9
100
R21
SH_O6
GND
J10
DNP
C10
DNP
C13
SH_O1
SH_O4
SH_O2
SH_O5
SH_O3
SH_O6
VCC
3
1
2
J3
VCC
3
1
2
J6
VCC
3
1
2
J11
VCC
3
1
2
J12
VCC
3
1
2
J13
VCC
3
1
2
J14
VBUS1
VBUS2
VBUS3
VBUS4
VBUS5
VBUS6
SH_IN1
2.49
R24
118K
R29
2K
R30
BS_IN1
SH_IN4
2.49
R31
57.6k
R32
2k
R33
BS_IN4
GND_FETA
GND_FETB
VBUS4
VBUS1
0.1u
C14
0.1u
C15
GND
VCC
VCC1
0.1u
C8
0.01u
C9
BS_
IN
1
BS_
IN
2
BS_
IN
3
BS_
IN
4
BS_
IN
5
BS_
IN
6
SH_IN_P4
SH_IN_P1
SH_IN_P2
SH_IN_P3
SH_IN_P6
GND_FETA
SH_IN_P5
GND_FETB
SH
_IN_N1
SH
_IN_N2
SH
_IN_N3
SH
_IN_N5
SH
_IN_N6
SH
_IN_N4
Set for 6V
Set for 8V
0.5A
1A
0.5A
1A
0.5A
1A
GND14
GND15
