Texas Instruments TDC1000-GASEVM, User Manual, Page: 33 / 40

SW
1
FB
3
SHDN
4
GND
2
VIN
5
U1
LM2733XMF
AVDD
30V
GND
Vdd1
300
R13
13.3k
R2
GND
316k
R1
4.7µF
C2
4.7µF
C3
68pF
C1
51.1k
R3
TP3
AVDD
30V
GND
L1
10 uH
1
2
J1
Transducer_1
1µF
C6
1
3
2
D2
BAS40-04-7-F
GND
D1
SD103AWS-TP AVDD
110
R12
TP1
GND
GND
LMR64010 is pin compatable
1
2
3
Q1
2N7002-7-F
3
1
2
Q2
BSS84-7-F
Vdd1
10k
R8
0
R10
DNP
GND
10k
R5
1 2
3 4
5 6
7 8
9 10
11 12
13 14
J3
GND
GND
Tx1
Rx2
Vdd1_EN
GND
300
R18
30V
GND
1
2
J2
Transducer_2
1µF
C11
1
3
2
D3
BAS40-04-7-F
GND
AVDD
110
R22
Rx1
1
2
3
JP1
TSW-103-07-G-S
Tx2
HV bypass
1
2
3
Q3
2N7002-7-F
3
1
2
Q4
BSS84-7-F
Vdd2
10k
R16
0
R19
DNP
GND
10k
R14
Vdd2_EN
EN uses internal pull-up
GND
Tx2_IN
Tx2_IN
EN
1
IN
2
VDD
3
GND
4
OUTL
5
OUTH
6
U2
UCC27531DBVR
GND
Vdd2
EN
1
IN
2
VDD
3
GND
4
OUTL
5
OUTH
6
U3
UCC27531DBVR
GND
SH-JP1
Vdd1_EN Vdd2_EN
Tx2
Rx1
Tx1
AVDD
RTD1
RTD2
Rx2
GPIO6
TDC1000_CHSEL
USB_5V GPIO4
GPIO3
GPIO2
EN_Boost
1 2
3 4
5 6
7 8
9 10
J4
100 R4
DNP
GND
100k
R17
DNP
GND
51.1k
R6
51.1k
R15
OUT1
110
R11
110
R21
100pF
C4
100pF
C8
EN_Boost
100k
R7
DNP
GND
10k
R9
GND GND
10k
R20
TP5
GND
GND
30V
5V
2000pF
C7
2000pF
C10
GND
0.1µF
C12
L2
TP2
EN uses internal pull-up
Channel 1 TX1 / RX2 Channel 2 TX2 / RX1
0.1µF
C5
GND
0.1µF
C9
GND
1.00k
R23
DNP
1.00k
R24
DNP
OUT2
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BSTEVM Schematic
15 BSTEVM Schematic
Figure 27. TDC1000-BSTEVM
33 SNIU026A – March 2015 – Revised December 2015 TDC1000-GASEVM and TDC1000-BSTEVM Kit User’s Guide
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