Texas Instruments BOOSTXL-ADS1219 BoosterPack, Руководство пользователя

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ADC and Power Supply
7/3/2018
DC023_Schematic.SchDoc
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B http://www.ti.com
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BOOSTXL-ADS1x19 Project Title:
Designed for: Public Release
Assembly Variant: 001
Drawn By:
Engineer: Benjamin/Mendez
Robert Benjamin
Texas Instruments and/or its licensors do not warrant the accuracy or completeness of this specification or any information contained therein. Texas Instruments and/or its licensors do not
warrant that this design will meet the specifications, will be suitable for your application or fit for any particular purpose, or will operate in an implementation. Texas Instruments and/or its
licensors do not warrant that the design is production worthy. You should completely validate and test your design implementation to confirm the system functionality for your application. Version control disabled SVN Rev:
DC023 Number: Rev: A
TID #: N/A
Orderable: BOOSTXL-ADS1219
Launchpad Connectors
LP5V
215k
R10
768k
R9
22uF
C15
100pF
C14
243k = 5V
215k = 5.5V
191k = 6V
Power Supply Generation Circuit
AVDD
GND
GND
1
VOUT
2
FB
3
ILIM
4
PG
5
EN
6
SW
7
VIN
8
PAD
9
U2
TPS61252
L1
20.0k
R6
100k
R5
GND
Green
D1
GND
GND
GND GND GND
SCL
SDA
GND GND
LP3.3V LP3.3V
GND
AVDD
A0
A1
A0 A1
GND
AIN0
AIN1
AIN2
AIN3
LP3.3V
DRDY
LP3.3V
GND
0.1uF
C7
LP3.3V
RESET
DRDY
RESET
SCL
SDA
GND
GND
GND
GND
GND
AVDD
1uF
C1
GND
1uF
C2
GND
LP3.3V
LP3.3V
SCL
REFP
REFN
REFP
REFN
SDA
GND
OUT
1
NR
3
EN
4
NC
5
IN
6
2
GND
TPS71750DSER U3
1uF
C16
GND
GND LP3.3V
100
R20
160
R19
5V
GPIO !
31
GPIO !
32
GPIO !
33
GPIO !
34
Timer_Cap/GPIO !
35
Timer_Cap/GPIO !
36
PWM/GPIO !
37
PWM/GPIO !
38
PWM/GPIO !
39
PWM/GPIO !
40
GPIO !
11
SPI_CS/GPIO !
12
SPI_CS/GPIO !
13
SPI_MISO
14
SPI_MOSI
15
RST
16
GPIO
17
GPIO !
18
PWM/GPIO !
19
GND
20
J2/J4
SSQ-110-03-T-D
+3.3V
1
Analog_In
2
LP_UART_RX
3
LP_UART_TX
4
GPIO !
5
Analog In
6
SPI_CLK
7
GPIO !
8
I2C_SCL
9
I2C_SDA
10
+5V
21
GND
22
Analog_In
23
Analog_In
24
Analog_In
25
Analog_In
26
Analog_In/I2S_WS
27
Analog_In/I2S_SCLK
28
Analog_Out/I2S_SDout
29
Analog_Out/I2S_SDin
30
J1/J3
SSQ-110-03-T-D
GND
RESET
LP5V
GND
GND
DRDY
LP3.3V
GND
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U4
BR24G32FVT-3AGE2
LP3.3V
GND
SCL
SDA
GND
GND
1
2
3
JP2
JP3
JP1
0.1uF
C12
0.1uF
C11
0.1uF
C13
0.1uF
C19
10k
R21
10k
R22
10k
R12
10k
R16
10k
R18
10k
R17
DNP
10k
R15
DNP
10k
R11
ADC
EEPROM Memory
1 2
3 4
5 6
J5
GND
Green
D2
AIN0
11
AIN1
10
AIN2
7
AIN3
6
AVDD
12
AGND
5
DGND
4
DVDD
13
A1
2
A0
1
DRDY
14
REFN
8
REFP
9
SCL
16
SDA
15
RESET
3
ADS1219IPWR
U1
GND
5
4
1
2
3
6
7
J6
ED555/7DS
1.00k
R1
1.00k
R4
1.00k
R2
1.00k
R3
0.01uF
C3
0.01uF
C6
0.01uF
C4
0.01uF
C5
0.1uF
C8
0.1uF
C10
0.1uF
C9
DNP
AIN0 AIN1
AIN2 AIN3
TP1
AVDD
1.00k
R13
1.00k
R14
0
R7
DNP
0
R8
10uF
C17
10uF
C18
Bill of Materials, PCB Layout, and Schematic
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20 SBAU316 – August 2018
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BOOSTXL-ADS1219 BoosterPack™ User's Guide
6.3 Schematic
Figure 23 shows the BOOSTXL-ADS1219 schematic.
Figure 23. BOOSTXL-ADS1219 Schematic