Schematics
Table Of Contents
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2020/1/7 Sheet of
File: D:\项目\..\WL-033P3-SA-V2.0.SchDoc Drawn By:
VPP
1
LDO33
2
LDO18
3
GND_DCDC
4
DCDC_SW
5
VIN
6
LDO_IN
7
LDO50
8
ENB
9
GND_REF
10
LED1
11
LED2
12
VDD_IO
13
GPIO0_SCL
14
GPIO1_SDA
15
GPIO2
16
GPIO3
17
GPIO4
18
GPIO5
19
GPIO6
20
GPIO7
21
PA_GH2
22
PA_BST2
23
PA_SW2
24
PA_GL2
25
GND_DRV
26
PA_GL1
27
PA_SW1
28
PA_BST1
29
PA_GH1
30
VDD_DRV
31
PA_BRG
32
ANA_TEST
33
EXT_TS
34
DMOD_VIN
35
COIL_VIN
36
IS_OUT
37
GND_SNS
38
IS_INN
39
IS_INP
40
EP
41
U1
CWT-1000-Q
100K/5%
R1
1K/5%
R4
27R/1%
R5
27R/1%
R6
100nF/16V
C15
100nF/16V
C16
27R/1%
R9
27R/1%
R10
22nF/16V
C17
22nF/16V
C21
1
1
TP4
NC/50V/NP0
C22
NC/50V/NP0
C23
NC/50V/NP0
C24
10R/5%
R17
10R/5%
R18
0.02R/1%
R19
1
1
TP3
680pF/16V
C36
1K/1%
R20
200K/1%
R21
2.4K/1%
R22
CS#
1
DO
2
WP#
3
GND
4
DIO
5
CLK
6
HOLD#
7
VCC
8
U2
25P40
A11 L2
TX_COIL
NC/50V/NP0
C25
CBB_404J100V
CBB1
1
2
7
8
6
5
4
3
Q1 SIH3720
1
2
7
8
6
5
4
3
Q2 SIH3720
1uF/6.3V
C3
1uF/6.3V
C11
100nF/10V
C39
100nF/16V
C5
10uF/16V
C35
100nF/16V
C28
10uF/16V
C29
10uF/16V
C33
22nF/25V
C37
5.6nF/25V/X7R
C38
10uF/10V
C2
1uF/6.3V
C10
22uF/16V
C4
LDO33
LDO33
LDO33
LDO33
LDO18
GPIO2_SCK
GPIO2_SCK
GPIO3_CSN
LDO50
LDO50
GPIO4_MOSI
GPIO5_MISO
VIN
VIN
ANA_TEST
IS_INP
IS_INP
IS_INN
IS_INN
GND
LED1
SCL
SCL
PA_GH1
PA_GH2
PA_BST1
PA_BST2
PA_GL1
PA_GL2
V_BRIDGE
V_BRIDGE
V_BRIDGE
SDA
SDA
DMOD_VIN
ENB
V_BRIDGE
V_BRIDGE
V_BRIDGE
GPIO3_CSN
GPIO2_SCK
GPIO4_MOSI
GPIO5_MISO
LDO33
LDO33
LDO33
12
D3
IN4148WS
18K/5%
R25
LDO33
1K/5%
R26
1
1
TP7
10K
NTC/SMD/WIRE
R24
5.6nF/25V/X7R
C45
12
D4
IN4148WS
330K/1%
R41
100K/1%
R42
GND
LDO33
2K/1%
R43
390K/1%
R44
100K/1%
R45
5.6nF/25V/X7R
C46
1nF/25V/X7R
C47
GNDGNDGND
GPIO7
1uF/6.3V
C1
GPIO6
10uF/16V
C0603
C14
GND
VIN
18K/1%
R11
D-
D-
10K/1%
R102
D+
D+
47K/1%
R8
LDO33
C43
GPIO3_CSN
GPIO4_MOSI
GPIO5_MISO
1
2
3
4
4PIN
ENB
10UF
C18
100nF/16V
C6
GND
10uF/16V
C7
GND
1
2
3
4
J1
4PIN
GND
VIN
1
2
3
4
J2
4PIN