Texas Instruments TLIN1431-Q1, User Manual, Page: 14 / 20

5 Schematic
D1
B180B-13-F
GND
GND
GND
GND
GND
VCC
VSUP
VSUP
WDT/CLK
LIMP
WAKE
TXD
50V
220pF
C9
GND
51
R15
GND
RXD
50V
220pF
C11
GND
10.2k
R18
VCC
3
1
4 V+
GND
5
2
LMV331QDBVRQ1
U2
3
1
4
V+
GND
5
2
LMV331QDBVRQ1
U3
GND
GND
VCC
0.1uF C1
GND
GND
VCC
GND
0.1uF C2
GND
WAKE_MCU
LIMP_MCU
LIMP
50V
220pF
C6
50V
0.1uF
C3
GND
GND
GND
VSUP
1.0k
R12
LIN
4 1
3 2
S1
EVQP1D05M
GND
3.01k
R14
GND
WAKE
VBAT
GND
LIN
PIN/nCS
WKRQ/INH
VSUP
VSUP
VCC
GND
10V
10uF
C7
50V
1uF
C4
RXD
TXD
GND
GND
100k
R4
LIMP_MCU
WAKE_MCU
EN/nINT
VBAT
16V
1uF
C8
50V
10uF
C5
PIN/nCS
EN/nINT 10.2k R7
RXD
TXD
nWDR/SDO
WDT/CLK
nRST
LIMP
LIN
DIV_ON
PV
HSS
WDI/SDI
WKRQ/INH
HSSC/FSO
VCC
VCC
GND
1.00M
R1
GND
VSUP
HSS
GND
EN/nINT
VCC
HSSC/FSO
HSS
VCC
TP15
5013
TP2
5013
TP16
5013
H
S
S
W
K
R
Q
/IN
H
TP8
5011
TP7
5011
TP6
5011
GND GND GND
TP5
5010
TP4
5010
TP3
5010
VSUP VCC VBAT
TP17
5126
TP19
5126
TP20
5126
n
R
S
T
n
W
D
R
/S
D
O
P
V
TP24
5014
TP25
5014
R
X
D
T
X
D
VSUP
VBAT
nRST
PV
DIV_ON
HSSC/FSO
WDI/SDI
VSUP
3.01k
R16 50V
10nF
C10
WKRQ
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15
17
19
21
23
25 16
18
20
22
24
26
J4
TSW-113-07-G-D
470
R13
50V
10nF
C12
GND
VBATPIN
VBATPIN
WKRQ
VCC
PIN/nCS
nWDR/SDO
WDT/CLK
GND
GND
GND
GND
GND
WAKE
TP1
5013
W
A
K
E
H
S
S
510k
R20
14
17
2
0
15
16
21
1
1
8
5
2
13
18
19
12 9
6
7
3
1
1
0
4
XU1
S
K
0
2
-0
0
2
0
Q
F
N
-C
S
-0
2
A
VSUP
VBA
T
PI
N
VCC
nRST
WDT/CLK
nWDR/SDO
WDI/SDI
PIN/nCS
HSSC/FSO
P
V
D
IV
_
O
N
GND
RXD
TXD
LIN
WKRQ/INH
WAKE
HSS
LIMP
EN/nINT_PIN
EN/nINT_PIN
TP22
5126
W
D
T
/C
L
K
TP23
5126
P
IN
/n
C
S
GPIO2/SPI(SCLK)
GPIO6/PWM1/SPI(CS)
GPIO4/SPI(SIMO)/UART(TXD)
GPIO5/SPI(SOMI)/UART(RXD)
LIMP_MCU
RXD
TXD
WAKE_MCU
HSSC/FSO
DIV_ON
EN/nINT
nRST
GPIO0/I2C(SDA)
GPIO1/I2C(SCL)
GPIO3/PWM2
GPIO7/PWM0
GPIO8/ADC3
GPIO9/ADC2
GPIO10/VEREF-
GPIO11/VEREF+
PV
AIN_B_0
WDT/CLK
WDI/SDI
nWDR/SDO
PIN/nCS
15V
D3
ESD1LIN24-Q1
Commander node selector
10.0k
R3
200k
R2
10.0k
R5
100k
R6
10.0k
R9
200k
R8
10.0k
R10
100k
R11
Ref.
9.1% VSUP
4.8% VSUP
or GND
Ref.
9.1% VSUP
4.8% VSUP
or GND
10.0k
R32
100k
R33
GND
LIMP
47pF 100V
C29
470
R34
4 1
3 2
S2
EVQP1D05M
22.0
R35
GND
nRST
50V
220pF
C30
GND
VCC
2
RST
3
WDR/SDO
5
DIV_ON
11
EN/INT
8
HSS
18
HSSC/FSO
9
LIMP
19
LIN
15
PIN/CS
7
PV
10
RXD
13
Thermal_Pad
21
TXD
12
VBAT
20
VSUP
1
WAKE
17
WDI/SDI
6
WDT/CLK
4
WKRQ/INH
16
GND
14
TLIN14315RGYRQ1
U1
INH
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
16
17
18
19
20
S3
218-10LPST
1
2
4
3
S4
218-2LPST
1
2
3
J1
TSW-103-07-G-S
1
2
J10
TSW-102-07-G-S
1
2
3
J5
TSW-103-07-G-S
1
2
3
J16
TSW-103-07-G-S
1 2 3
J14 TSW-103-07-G-S
1
2
3
J3
TSW-103-07-G-S
1
2
3
J2
TSW-103-07-G-S
1
2
J13
TSW-102-07-G-S
1
2
J18
TSW-102-07-G-S
1
2
J17
TSW-102-07-G-S
1
2
J15
TSW-102-07-G-S
1
2
J6
TSW-102-07-G-S
1
2
J7
TSW-102-07-G-S
J21
GND GND
1
2
3
J8
TSW-103-07-G-S
TP14
5011
GND
TP13
5011
GND
TP12
5011
TP11
5011
TP10
5011
GND GND GND
TP9
5011
GND
LIMP_PD
D2
BAV21WS-TP
1
2
J9
039544-3002
0
R17
0
R19
0
R31
1
2
J11
2143-2
Figure 5-1. TLIN1431EVM Schematic
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14 TLIN1431EVM User's Guide SLLU326 – MAY 2022
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