6.4 Sub Schematic – I2C Peripherals
This schematic is
SS2
sub-schematic of the main schematic.
shows the I
2
C peripherals and
connectors circuit. TPS25762Q1EVM-146, TPS25772Q1EVM-149 and TPS25772Q1EVM-150 have the same
I
2
C peripherals circuit.
1
SDA
2
SCL
3
ALERT
GND
4
5
A2
A1
6
7
A0
8
VS
TMP75BQDGKRQ1
U4
GND
1
2
Temper ature Sensor
3
4
5
6
J5
100k
5-146254-3
R29
1
2
3
Q2
GND
SH-J2
SH-J7
TVSP
GND
GND
VCC3V3
NTC_VAR
SH-J3
SH-J4
SH-J10
SH-J11
VCC3V3
NTC_VAR
TVSP
IRQZ
HA
1
LA
2
3
WA
HB
4
LB
5
6
WB
7
A2
8
VSS
9
SDA
SCL
10
GND
11
A1
12
A0
13
VDD
14
TPL0102-100RUCR
U5
50V
0.1uF
C27
50V
0.1uF
C24
GND
50V
0.1uF
C25
GND
GND
I2C EEPROM
A0
1
2
A1
A2
3
4
VSS
5
SDA
6
SCL
WP
7
8
VCC
U3
24LC256-I/ST
SH-J5
SH-J6
NTC
I2C_SCL3
I2C_SDA3
I2C_SDA1
I2C_SCL1
I2C_SDA1
I2C_SCL1
TS_SDA
TS_SCL
EE_SDA
EE_SCL
GND
Aard1_5V
1
2
Ardvar k Connector
3
4
5
6
7
8
9
10
J10
2.20k
PEC05DAAN
R47
2.20k
R48
VCC3V3
I2C_SDA2
I2C_SCL2
I2C_SDA2
I2C_SCL2
I2C_SDA3
I2C_SCL3
I2C_SDA3
I2C_SCL3
2.20k
R49
2.20k
R50
VCC3V3
2.20k
R51
2.20k
R52
1
2
3
4
5
6
7
8
9
10
11
12
J9
PEC06DAAN
I2C_SCL1
I2C_SCL2
I2C_SCL3
I2C_SDA1
I2C_SDA2
I2C_SDA3
4
5
1
2
3
6
J11
PEC06SAAN
I2C_SCL1
I2C_SCL2
I2C_SCL3
I2C_SDA1
I2C_SDA2
1
I2C_SDA3
2
3
Q4
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
J7
1.00k
R53
GND
L
D
O
_
5
V
1
VCCI
2
ADDR
3
RESET
4
P0
5
P1
6
P2
P3
7
8
GND
P4
9
P5
10
P6
11
P7
12
INT
13
SCL
14
SDA
15
VCCP
16
U2
TCA6408APWR
GND
VCC3V3
50V
0.1uF
C26
VCC3V3
100k
R30
GND
GND
Green
1
2
100
D1
R31
GND
Green
1
2
100
D2
R32
GND
Green
1
2
D3
100
R33
GND
Green
1
2
D4
100
R34
GND
1
Green
2
D5
100
R35
GND
Green
1
2
100
D6
R36
GND
1
Green
2
D7
100
R37
GND
1
Green
2
100
D8
R38
GND
4
5
1
2
3
6
7
8
9
J4
GND
TSW-109-07-G-S
VCC3V3
1
VCC3V3
2
3
Q3
100k
R54
VCC3V3
EGPIO0
EGPIO1
USB_SEL
EGPIO2
EGPIO3
EGPIO4
EGPIO5
EGPIO6
EGPIO7
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
J6
GP_SDA
GP_SCL
PEC06DAAN
SH-J8
SH-J9
T
S
_S
D
A
T
S
_S
C
L
E
E
_S
D
A
E
E
_S
C
L
G
P
_S
D
A
G
P
_S
C
L
USB2ANY
GND
EGPIO0
EGPIO1
EGPIO2
1
2
3
4
5
6
7
8
9
10
J8
100k
PEC05DAAN
R130
LDO_3V3
47.5k
R40
29.4k
R41
20.0k
R42
14.7k
R43
11.0k
R44
8.45k
R45
6.65k
R46
93.1k
R39
SH-J1
GND
Figure 6-6. I
2
C Peripherals
Schematics
12
TPS25762/72-Q1 EVM User's Guide
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