1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
C2D
5
C2CK
4
VDD
3
GND
2
U12A
C8051F396
P0.0
1
P0.1
20
P0.2
19
P0.3
18
P0.4
17
P0.5
16
P0.6
15
P0.7
14
U12B
C8051F396
heat
A
heat
B
heat
C
heat
D
U12C
C8051F396
GND
4
VDD
3
C2CK
2
C2D
1
DEBUG4
P1
PHASE_A_HI‐3
PHASE_A_LO‐3
PHASE_B_HI‐3
PHASE_B_LO‐3
PHASE_A_HI‐3
PHASE_A_LO‐3
PHASE_B_HI‐3
PHASE_B_LO‐3
PHASE_C_HI‐3
PHASE_C_LO‐3
PHASE_C_LO‐3
PHASE_C_HI‐3
GND
GND
R76 10k
P1.0
13
P1.1
12
P1.2
11
P1.3
10
P1.4
9
P1.5
8
P1.6
7
P1.7
6
U12D
C8051F396
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U14
MPS1907
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U16
MPS190 7
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U18
MPS190 7
GND
GND
GND
DRV_EN‐3
DRV_EN‐3
DRV_EN‐3
V_DRV
V_DRV
Q22
AON7418
Q24
AON7418
Q18
AON7418
Q20
AON7418
Q14
AON7418
Q16
AON7418
OUTB‐3
R118 100R
R102 100R
R82 100R
VBAT
VBAT
VBAT
OUTC‐3
GND
GND
GND
R128 100R
R110 100R
R90 100R
C54
10uF/16V
C50
10uF/16V
C44
10uF/16V
GND
GND
GND
C56 104
C52
104
C46 104
R132 10K
R134
10K
R123 10K
R92 10K
R107 10K
R112 10K
R87 10K
VBAT
R136
4.7K
R131
10K
C58
100nF
R130
47K
GND
R120
47K
R124
4.7K
GND
R116
10K
C48
330pF
GND
R98 1K
R96
4.7K
R104
47K
ZEERO_C‐3
ZEERO_B‐3
R108
4.7K
GND
R100
10K
R84
47K
ZEEOR_A‐3
R88
4.7K
GND
ZERO‐3
R78
10K
R94
10K
GND
OUTA‐3
OUTA‐3
R80 10K
+3V3
GND
GND
OUTA‐3OUTA‐3
ZEEOR_A‐3
R114
10K
GND
OUTB‐3
OUTB‐3
GND
GND
OUTB‐3
ZEERO_B‐3
ZEERO_C‐3
OUTC‐3
GND
GND
OUTC‐3
GND
OUTC‐3
Power_ADC-3
Power_ADC-3
PWM_IN3
GND
GND
C2D
5
C2CK
4
VDD
3
GND
2
U3A
C8051F396
P0.0
1
P0.1
20
P0.2
19
P0.3
18
P0.4
17
P0.5
16
P0.6
15
P0.7
14
U3B
C8051F396
heat
A
heat
B
heat
C
heat
D
U3C
C8051F396
GND
4
VDD
3
C2CK
2
C2D
1
DEBUG1
P1
PHASE_A_HI
PHASE_A_LO
PHASE_B_HI
PHASE_B_LO
PHASE_A_HI
PHASE_A_LO
PHASE_B_HI
PHASE_B_LO
PHASE_C_HI
PHASE_C_LO
PHASE_C_LO
PHASE_C_HI
GND
GND
R13
10k
P1.0
13
P1.1
12
P1.2
11
P1.3
10
P1.4
9
P1.5
8
P1.6
7
P1.7
6
U3D
C8051F396
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U5
MPS1907
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U7
MPS190 7
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U9
MPS190 7
GND
GND
GND
DRV_EN
DRV_EN
DRV_EN
V_DRV
V_DRV
Q9
AON7418
Q11
AON7418
Q5
AON7418
Q7
AON7418
Q1
AON7418
Q3
AON7418
OUTB
R55 100R
R39 100R
R19 100R
C_DRV_HI
B_DRV_HI
A_DRV_HI
VBAT
VBAT
VBAT
OUTC
GND
GND
GND
R63 100R
R47 100R
R27 100R
C_DRV_LO
B_DRV_LO
A_DRV_LO
C37
10uF/16V
C33
10uF/16V
C27
10uF/16V
GND
GND
GND
C39 104
C35
104
C29 104
R69 10K
R71
10K
R59 10K
R29 10K
R43 10K
R49 10K
R23 10K
VBAT
R73
4.7K
R66
10K
C41
100nF
R65
47K
GND
R57
47K
R61
4.7K
GND
R53
10K
C31
330pF
GND
R35 1K
R33
4.7K
R41
47K
ZEERO_C
ZEERO_B
R45
4.7K
GND
R37
10K
R21
47K
ZEEOR_A
R25
4.7K
GND
ZERO
R15
10K
R31
10K
GND
OUTA
OUTA
R17 10K
+3V3
GND
GND
OUTAOUTA
ZEEOR_A
ZERO
R51
10K
GND
OUTB
OUTB
GND
GND
ZERO
OUTB
ZEERO_B
ZEERO_C
OUTC
GND
GND
OUTC
GND
OUTC
ZERO
Power_ADC
Power_ADC
PWM_IN1
GND
GND
C2D
5
C2CK
4
VDD
3
GND
2
U4A
C8051F396
P0.0
1
P0.1
20
P0.2
19
P0.3
18
P0.4
17
P0.5
16
P0.6
15
P0.7
14
U4B
C8051F396
heat
A
heat
B
heat
C
heat
D
U4C
C8051F396
GND
4
VDD
3
C2CK
2
C2D
1
DEBUG2
P1
PHASE_A_HI‐2
PHASE_A_LO‐2
PHASE_B_HI‐2
PHASE_B_LO‐2
PHASE_A_HI‐2
PHASE_A_LO‐2
PHASE_B_HI‐2
PHASE_B_LO‐2
PHASE_C_HI‐2
PHASE_C_LO‐2
PHASE_C_LO‐2
PHASE_C_HI‐2
GND
GND
R14 10k
P1.0
13
P1.1
12
P1.2
11
P1.3
10
P1.4
9
P1.5
8
P1.6
7
P1.7
6
U4D
C8051F396
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U6
MPS1907
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U8
MPS1907
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U10
MPS1907
GND
GND
GND
DRV_EN‐2
DRV_EN‐2
DRV_EN‐2
V_DRV
V_DRV
Q10
AON7418
Q12
AON7418
Q6
AON7418
Q8
AON7418
Q2
AON7418
Q4
AON7418
OUTB‐2
R56 100R
R40 100R
R20 100R
VBAT
VBAT
VBAT
OUTC‐2
GND
GND
GND
R64 100R
R48 100R
R28 100R
C38
10uF/16V
C34
10uF/16V
C28
10uF/16V
GND
GND
GND
C40 104
C36
104
C30 104
R70 10K
R72
10K
R60 10K
R30 10K
R44 10K
R50 10K
R24 10K
VBAT
R74
4.7K
R68
10K
C42
100nF
R67
47K
GND
R58
47K
R62
4.7K
GND
R54
10K
C32
330pF
GND
R36 1K
R34
4.7K
R42
47K
ZEERO_C‐2
ZEERO_B‐2
R46
4.7K
GND
R38
10K
R22
47K
ZEEOR_A‐2
R26
4.7K
GND
ZERO‐2
R16
10K
R32
10K
GND
OUTA‐2
OUTA‐2
R18 10K
+3V3
GND
GND
OUTA‐2OUTA‐2
ZEEOR_A‐2
ZERO‐2
R52
10K
GND
OUTB‐2
OUTB‐2
GND
GND
OUTB‐2
ZEERO_B‐2
ZEERO_C‐2
OUTC‐2
GND
GND
OUTC‐2
GND
OUTC‐2
Power_ADC-2
Power_ADC-2
PWM_IN2
GND
GND
C2D
5
C2CK
4
VDD
3
GND
2
U11A
C8051F396
P0.0
1
P0.1
20
P0.2
19
P0.3
18
P0.4
17
P0.5
16
P0.6
15
P0.7
14
U11B
C8051F396
heat
A
heat
B
heat
C
heat
D
U11C
C8051F396
GND
4
VDD
3
C2CK
2
C2D
1
DEBUG3
P1
PHASE_A_HI‐4
PHASE_A_LO‐4
PHASE_B_HI‐4
PHASE_B_LO‐4
PHASE_A_HI‐4
PHASE_A_LO‐4
PHASE_B_HI‐4
PHASE_B_LO‐4
PHASE_C_HI‐4
PHASE_C_LO‐4
PHASE_C_LO‐4
PHASE_C_HI‐4
GND
GND
R75 10k
P1.0
13
P1.1
12
P1.2
11
P1.3
10
P1.4
9
P1.5
8
P1.6
7
P1.7
6
U11D
C8051F396
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U13
MPS1907
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U15
MPS1907
NC
2
BST
3
DRVH
4
INL
8
INH
7
EN
6
VDD
1
SW
5
VSS
9
DRVL
10
U17
MPS1907
GND
GND
GND
DRV_EN‐4
DRV_EN‐4
DRV_EN‐4
V_DRV
V_DRV
Q21
AON7418
Q23
AON7418
Q17
AON7418
Q19
AON7418
Q13
AON7418
Q15
AON7418
OUTB‐4
R117 100R
R101 100R
R81 100R
VBAT
VBAT
VBAT
OUTC‐4
GND
GND
GND
R125 100R
R109 100R
R89 100R
C53
10uF/16V
C49
10uF/16V
C43
10uF/16V
GND
GND
GND
C55 104
C51
104
C45 104
R129 10K
R133
10K
R121 10K
R91 10K
R105 10K
R111 10K
R85 10K
VBAT
R135
4.7K
R127
10K
C57
100nF
R126
47K
GND
R119
47K
R122
4.7K
GND
R115
10K
C47
330pF
GND
R97 1K
R95
4.7K
R103
47K
ZEERO_C‐4
ZEERO_B‐4
R106
4.7K
GND
R99
10K
R83
47K
ZEEOR_A‐4
R86
4.7K
GND
ZERO‐4
R77
10K
R93
10K
GND
OUTA‐4
OUTA‐4
R79 10K
+3V3
GND
GND
OUTA‐4OUTA‐4
ZEEOR_A‐4
R113
10K
GND
OUTB‐4
OUTB‐4
GND
GND
OUTB‐4
ZEERO_B‐4
ZEERO_C‐4
OUTC‐4
GND
GND
OUTC‐4
GND
OUTC‐4
Power_ADC-4
Power_ADC-4
PWM_IN4
GND
GND
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
J2
8P
PWM_IN1
GND
PWM_IN3
PWM_IN4
PWM_IN2
+3V3
+3V3
+3V3
+3V3
ZERO‐2
ZERO‐2
ZERO‐3
ZERO‐3
ZERO‐3
ZERO‐4
ZERO‐4
ZERO‐4
V_DRV
GND
GND
GND
J4
OUTA
J6
OUTB
J8
OUTC
J5
OUTA-2
J7
OUTB-2
J9
OUTC-2
J10
OUTA-4
J12
OUTB-4
J14
OUTC-4
J15
OUTC-3
J13
OUTB-3
J11
OUTA-3
VBAT
GND
J1
2-6 S
J3
GND
C3
47uF/16V
C4
47uF/16V
C5
47uF/16V
C6
47uF/16V
C7
47uF/16V
C8
47uF/16V
C9
47uF/16V
C10
47uF/16V
C11
47uF/16V
C12
47uF/16V
C15
47uF/16V
C14
47uF/16V
C16
47uF/16V
C17
47uF/16V
C18
47uF/16V
C19
47uF/16V
C20
47uF/16V
C21
47uF/16V
C22
47uF/16V
C23
47uF/16V
VBAT
GND GND
VBAT
R1 100K
R2
100K
L1 10uH
D1
PMEG4030ER
R6
102K
R8 11.8K
GND
C25
47uF/16V
GND
SW
SW
EN
COMP
FBGND
FREQ
VIN
VIN
BST
U2
MPS446 2
R3
100K
GNDGND
R4
200K
R9
15K
GND
C24 150P
R11
15K
GND
C2 0.1uF
L2 15UH
D2
PMEG4030ER
GND
R10
124K
R12
40.2K
GND
C26
47uF/16V
GND
V_DRV V_DRV
V_DRV
V_DRV
+3V3
12
1413
11
GND GND
GNDGND
SW
1
GND
2
FB
3
EN
4
IN
5
U1
MP1540
GND
+3V3
12V 200MA
VBAT
VBAT
C1
47uF/16V
R7 100R
D3
RED
D4
RED
R5 1K
