Application Circuit
R6
0R
L1 4.7uH
R1
C5
10uF/6.3V
R2
453k
SW2
S1
NC
3
COMNO
SW3
R4
2M
S3
NC
4
COM NO
TPS61220
SW4
S4
COM NO
NC
5
R0
R3
400k
C4
10uF/6.3V
C7
100nF
C3
100nF
C12
4.7uF/10V
C13
4.7uF/10V
R7
0R
L2 4.7uH
U2
R1
1M3
TACT_SW
C6
100nF
C1
100nF
C8
4.7uF/10V
C10
4.7uF/10V
S3
U1
SW5
SW1
SLIDE SW SPDT
TPS61220
BT1
2AA BATTERY
1
P12
P13
P14
P15
P1
VBAT
GND
VDD1.9
VDD3.0
VDD_SPI
Note:
VDD1.9 = 1.9V
VDD3.0 = 3.0V
R21
1M
6
C20
100nF
U4
R25
1M
SW6
13
2
NCS
MISO
MSCK
MOSI
DIP_SWITCH_4WAY
CON3
CAT25320
R23
0R
R24
0R
14
PCB_SKT_SMD_1.27/2X3
CS
MISO
MOSI
8
P20
R8
0R
C9
3.3uF/16V
+
C2
100nF
Q2
CON2
R2
S3
S1
RESET
NCS
PCB_SKT_SMD_1.27/2X5
9
10
PCB_SKT_SMD_1.27/2X5
C16
3.3uF/16V
+
C15
100nF
C17
3.3uF/16V
+
R10
0R
R11
0R
U3
C18
100nF
R15
1M
R22
0R
R16
1M
R17
1M
R18
1M
R19
1M
C19
22nF
ADNS-8020
R12
0R
NTA4151PT1G
ZA
R26
1M
CON1
ZB
RESET
MSCK
S4
PROG
R2
S1
NCS
RESET
R1
PROG
R0
COM
R1
MOTION
R2
S1
NCS
S3
R20
0R
C11
3.3uF/16V
+
C14
100nF
CS
MISO
MSCK
MOSI
MOTION
R13
1M
Q1
ZA
ZB
COM
R14
1M
R5
0R
R9
0R
7
Z-ENCODER_3P
11
12
Figure 6a. Schematic Diagram for 3-Button Scroll-Wheel Cordless Mouse
7
PIXART [ PIXART IMAGING INC. ]
