Texas Instruments INA231 Evaluation Module INA231EVM INA231EVM Datenbogen
Produktcode
INA231EVM
VBUS
VIN-
VIN+
DVDD
GND
SCL
SDA
TERMINAL BLOCKS
ADDRESS SELECT
PULLUP RESISTORS
POWER JUMPER
Test Points
LEDS
GND
GND
1
2
3
J4
JUMP3
1
2
3
J3
JUMP3
1
2
3
T1
TBLOCK3X_SMALL
+
C2
4.7uF
4.7uF
1
I2C_SCK
2
CTL/MEAS4
3
I2C_SDA
4
CTL/MEAS5
5
SPI_DOUT
6
VDUT
7
SPI_CLK
8
GND
9
SPI_CS
10
SPI_DN
J1
SM_DIG
1
2
3
J6
JUMP3
1
2
3
J5
JUMP3
1
2
R3
10k
1
2
R4
10k
1
2
3
J2
JUMP3
1
2
T2
TBLOCK2X_SMALL
C3
.1uF
1
TP1
1
TP2
1
TP3
1
TP4
1
TP5
1
TP6
1
TP7
1
TP8
1
TP9
D1
D2
1
2
R5
300
1
2
R6
600
1
TP10
1
2
T4
TBLOCK2X_SMALL
1
2
2
T3
TBLOCK2X_SMALL
1
2
R1
0
1
2
R2
0
C1
.1uF
.1uF
A1
SCL
A2
SDA
A3
ALERT
B1
VS
C1
GND
B3
A0
D3
IN+
D2
IN-
D1
BUS
C3
A1
C2
NC
B2
NC
U1
INA231
SCL
DVDD_INT
SDA
VS
SCL
SDA
A0
VS
SCL
SDA
A1
VS
VS
DVDD_INT
DVDD_EXT
VS
SCL
SDA
VS
A0
A1
VBUS
VIN-
VIN+
SDA
SCL
VS
ALERT
VS
ALER
T
SCL
SDA
VBUS
VS
VIN-
VIN+
DVDD_EXT
ALERT
SDA
SCL
A0
VIN+
VIN-
VBUS
A1
INA231EVM Documentation
6
INA231EVM Documentation
This section contains the complete bill of materials, schematic diagram, and PCB layout for the
INA231EVM.
INA231EVM.
NOTE:
The board layout is not to scale. This image is intended to show how the board is laid out; it
is not intended to be used for manufacturing INA231EVM PCBs.
6.1
Schematic
shows the schematic for the INA231EVM.
Figure 27. INA231EVM Schematic
21
SBOU128 – February 2013
INA231EVM Evaluation Board and Software Tutorial
Copyright © 2013, Texas Instruments Incorporated