background image

C/R42& 42 must be close to TDC1000
RX pins. Place minimal parasitic
capacitances onto RX1&RX2

Interstage Passive Filters:
Configured for 1MHz

GND

TP9

DNP

TX1

TX2

RX1

RX2

TX2/RX1or TX2

TX2/RX1or RX1

GND

TX1/RX2 or TX1

TX1/RX2 or RX2

GPIO5

GPIO6

GPIO7

TDC1000_CHSEL

GPIO2

GPIO3

GPIO4

GPIO1

GPIO2

GPIO3

GPIO1

GPIO4

GPIO5

TDC1000_CHSEL

GPIO6

GPIO7

USB_5V

GND

RTD1
RTD2

1.00k

R34

GND

RTD2
RTD1

GND

1.00k

R38

GND

VCOM

ST

AR

T

ST

OP

VCOM

GND

GND

0.1µF

C30

GND

TDC1000_MCU_STOP

TDC1000_MCU_START

V5p0

GND

GND

V3p3

GND

1µF

C31

0.1µF

C29

V3p3

0.1µF

C26

GND

0.01µF

C25

V3p3

0.1µF

C34

GND

0.01µF

C33

V3p3

STOP_OUT

GND

START_OUT

33

R29

33

R33

STOP

START

TDC1000_ENABLE

10.0k

R53

TDC1000_ERRB

TDC1000_CHSEL

V3p3

TP13

DNP

TP12

DNP

TDC1000_RESET

SH-JP5

MSP430_TRIGGER

TDC7200_TRIGGER

TP14

DNP

0.01µF

C37

GND

0.1µF

C38

GND

0

R49

V3p3

GND

GND

OSC_OUT

ExtClock

51.1

R50

SH-JP3

SH-JP4

SH-JP6

AVDD

CLK

CPU_CLK_OUT

33

R48

60 ohm

FB2

GND

0.01µF

C44

GND

VIO

VDD

OSC_SOURCE_SEL

OSC_ENABLE

EXT_OSC

Place the ground TP
close to VDD jumper
JP

GND

0.01µF

C40

GND

0.1µF

C41

GND

V3p3

SPI_MISO

TRIGGER_IN

33

R45

SPI_MOSI
SPI_SCLK

TDC1000_SPI_CSB

1.00k

R37

V5p0

4

3

2

1

6

5

V+
V-

U9

LMH6601MG

VCOM

10pF

C35

10.0k

R40

VCOM_OUT

GND

COMPIN

1.00k

R44

V5p0

BUFF_PGA

4

3

2

1

6

5

V+
V-

U12
LMH6601MG

V5p0

10pF

C39

10.0k

R47

GND

COMPIN_OUT

GND

CPU_CMP_OUT

C

OM

P

IN

Place filter caps
to VDD pins

GND

V5p0

Directly connected STOP and START traces from
TDC71000 to TDC7200 must be completely
symmetrical and as short as possible to avoid
introducing timing delay

Buffered STOP and START traces
from the buffers to the connectors
must be completely symmetrical to
avoid introducing timing delay

Pin 1 and  pin 14 of the connector
must be marked on the PC board

Pin 1 and pin 10 of the connector
must be marked on the PC board

All the labels appearing on pin 2, 4, 6, 8, 10,
12 and 14 must be marked on the PC board

VDD_TDC1000

VIO

10.0Meg

R35

GND

10.0Meg

R36

Component value = DNP means do not populate

60 ohm

FB3

STOP

START

Buffered STOP and START traces
from the buffers to the MCU must
be completely symmetrical to avoid
introducing timing delay

0.01µF

C28

GND

TP17

DNP

AVDD

0.1µF

C45

60 ohm

FB4

CLK

10µF

C46

GND

10pF

C47

R

X

1

1

R

X

2

2

V

C

OM

3

L

NAOU

T

4

P

GAIN

5

P

G

AOU

T

6

C

OM

P

IN

7

R

TD1

8

R

TD2

9

R

R

E

F

1

0

C

HS

EL

1

1

E

R

RB

1

2

S

T

A

R

T

1

3

S

T

OP

1

4

E

N

1

5

TR

IGGE

R

1

6

R

E

S

ET

1

7

S

C

L

K

1

8

C

S

B

1

9

S

D

I

2

0

S

D

O

2

1

V

IO

2

2

V

D

D

2

3

V

D

D

2

4

C

LKIN

2

5

GN

D

2

6

TX

2

2

7

TX

1

2

8

U10
TDC1000PW

IO1

1

IO2

2

IO3

3

IO4

4

IO5

5

IO6

6

IO7

7

IO8

8

EP

9

U11

TPD8E003DQDR

CLKIN

1

1G

2

Y0

3

GND

4

NC

5

VDD

6

NC

7

Y1

8

U8

CDCLVC1102PW

CLKIN

1

1G

2

Y0

3

GND

4

NC

5

VDD

6

NC

7

Y1

8

U7

CDCLVC1102PW

V3p3

V3p3

GND

200

R30

200

R32

0

R43

0

R42

5600pF

C36

510pF

C27

510pF

C32

5.36k

R31

0

R41

DNP

0

R52

DNP

VDD

4

STANDBY

1

GND

2

OUT

3

13 MHz

Y2

SG-210STF13.000000MHZS

1

2

3

4

5

J7

142-0701-201

DNP

1

2

3

4

5

J3

142-0701-201

DNP

1

2

3

4

5

J4

142-0701-201

DNP

1

2

3

4

5

J8

142-0701-201

1

3

5

6
4
2

7

9

10
8

12

11

14

13

J5

SSW-107-02-G-D-RA

1
3
5

6

4

2

7
9

10

8

J6

PPPC052LJBN-RC

1
2

JP3

1
2

JP4

1

2

3

JP5
TRIGGER_SOURCE_SEL

1

2

3

4

5

6

JP6

TP5

TP7

TP6

TP8

TP18

TP10

TP16

TP15

TP11

50

R39

50

R46

www.ti.com

TDC1000-GASEVM Schematic

13

TDC1000-GASEVM Schematic

Figure 23. TDC1000-GASEVM Schematic 1

29

SNIU026A – March 2015 – Revised December 2015

TDC1000-GASEVM and TDC1000-BSTEVM Kit User’s Guide

Submit Documentation Feedback

Copyright © 2015, Texas Instruments Incorporated

Summary of Contents for TDC1000-GASEVM

Page 1: ...TDC1000 GASEVM User s Guide User s Guide Literature Number SNIU026A March 2015 Revised December 2015...

Page 2: ...e 10 9 Clock Selection 14 9 1 Steps to Select the CPU Clock 14 10 Possible Excitation Pulses 17 11 Troubleshooting 18 11 1 Boost converter 18 11 2 Jumper 18 11 3 Firmware Upgrade 19 12 TDC1000 GASEVM...

Page 3: ...Green 13 8 Place Jumper on JP6 to Use the CPU Clock 14 9 Select CPU CLK 15 10 Clock Options 16 11 Excitation Pulses Chart 17 12 Jumper 18 13 Connection Error Pop up Window 19 14 USB Firmware Upgrade W...

Page 4: ...www ti com List of Tables 1 Jumper 18 4 List of Tables SNIU026A March 2015 Revised December 2015 Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated...

Page 5: ...has the following component changes to facilitate rapid evaluation for water gas flow applications 1 The TDC1000 GASEVM has been designed for Gas Flow applications The passive components that determin...

Page 6: ...er Enable TDC1000 HV Driver EN1 and or TDC1000 HV Driver EN2 depending on which TX port your transducer is connected to 8 On the GRAPH tab press the START GRAPH button 9 Select an EN period us in that...

Page 7: ...m Setup Figure 2 TDC1000 BSTEVM Board 7 SNIU026A March 2015 Revised December 2015 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide Submit Documentation Feedback Copyright 2015 Texas Instruments Inco...

Page 8: ...Unzip the downloaded file into a known directory and run it 3 Follow the pop up screen instructions Click Next to install the software Figure 3 TDC1000 7200EVM Installation Directory 4 When the insta...

Page 9: ...0 GASEVM make sure the following jumpers are in place 1 JP1 TDC7200 connect pin 1 to pin 2 via a jumper 2 JP2 CPU connect pin 1 to pin 2 via a jumper 3 JP3 TDC1000 connect pin 1 to pin 2 4 JP4 VIO con...

Page 10: ...ART to ensure that the driver ICs on the HV interface board are powered up in time for the first Tx pulses Example If you choose an EN period of 40 s default 30 s you will see a EN pulse with the leng...

Page 11: ...e Software Figure 5 SETUP Tab in TDC1000 TDC7200EVM 11 SNIU026A March 2015 Revised December 2015 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide Submit Documentation Feedback Copyright 2015 Texas I...

Page 12: ...driver is turned on in time and long enough for this number of pulses If the last pulses are reduced in amplitude increase EN period in the SETUP tab of the GUI 7 EN signal should go high about 30 s b...

Page 13: ...RT Pulse Dark Blue TDC1000 s Tx Signal Light Blue and the Boosted 30 V of TD1000 s Tx Signal Green 13 SNIU026A March 2015 Revised December 2015 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide Submi...

Page 14: ...the CPU clock For gas flow applications we recommend using the CPU clock The steps to select the CPU clock can be seen in the following subsections 9 1 Steps to Select the CPU Clock 1 On the TDC1000 G...

Page 15: ...e SETUP tap of the GUI A message will pop up Click OK Figure 9 Select CPU CLK 15 SNIU026A March 2015 Revised December 2015 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide Submit Documentation Feedb...

Page 16: ...resonant frequency external clock TX_FREQ_DIV For example if the transducer s resonant frequency is 500kHz and a CPU clock of 2MHz is chosen then the TX_FREQ_DIV needs to be 4 Figure 11 shows possible...

Page 17: ...6 650 333 325 166 663 83 331 41 666 20 833 10 416 5 208 1 411 800 705 900 352 950 176 475 88 238 44 119 22 059 11 030 5 515 1 500 000 750 000 375 000 187 500 93 750 46 875 23 438 11 719 5 859 1 600 00...

Page 18: ...JP1 Tx2 voltage selector bypass HV driver when placed in LV position For default operation use high voltage for both channels place jumper on the following 1 JP1 P2 and JP1 P3 HV Figure 12 Jumper Whe...

Page 19: ...00EVM to a PC 2 Open the TDC1000 7200EVM GUI then go to the DEBUG tab Press OK if a connection error window pops up Click on the Update Firmware button Figure 13 Connection Error Pop up Window 3 The M...

Page 20: ...he Select Firmware button and browse to the firmware file 3 Click on the Upgrade Firmware button to program the EVM Close the application when done and restart the TDC1000_7200EVM GUI 20 TDC1000 GASEV...

Page 21: ...Layout 12 TDC1000 GASEVM Board Layout Figure 15 Top Overlay 21 SNIU026A March 2015 Revised December 2015 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide Submit Documentation Feedback Copyright 2015...

Page 22: ...rd Layout www ti com Figure 16 Top Solder Mask 22 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide SNIU026A March 2015 Revised December 2015 Submit Documentation Feedback Copyright 2015 Texas Instru...

Page 23: ...000 GASEVM Board Layout Figure 17 Top Layer 23 SNIU026A March 2015 Revised December 2015 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide Submit Documentation Feedback Copyright 2015 Texas Instrumen...

Page 24: ...oard Layout www ti com Figure 18 Mid Layer 1 24 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide SNIU026A March 2015 Revised December 2015 Submit Documentation Feedback Copyright 2015 Texas Instrume...

Page 25: ...00 GASEVM Board Layout Figure 19 Mid Layer 2 25 SNIU026A March 2015 Revised December 2015 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide Submit Documentation Feedback Copyright 2015 Texas Instrume...

Page 26: ...ard Layout www ti com Figure 20 Bottom Layer 26 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide SNIU026A March 2015 Revised December 2015 Submit Documentation Feedback Copyright 2015 Texas Instrume...

Page 27: ...ASEVM Board Layout Figure 21 Bottom Solder Mask 27 SNIU026A March 2015 Revised December 2015 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide Submit Documentation Feedback Copyright 2015 Texas Instr...

Page 28: ...d Layout www ti com Figure 22 Board Dimensions 28 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide SNIU026A March 2015 Revised December 2015 Submit Documentation Feedback Copyright 2015 Texas Instru...

Page 29: ...must be completely symmetrical to avoid introducing timing delay Pin 1 and pin 14 of the connector must be marked on the PC board Pin 1 and pin 10 of the connector must be marked on the PC board All...

Page 30: ...U_CLK CLK R4 DNP STOP START GND 33 R3 TDC7200_TRIGGER VDD_TDC7200 60 ohm FB1 0 1 F C2 GND TP19 DNP TP20 DNP TP21 DNP ENABLE 1 TRIGG 2 START 3 STOP 4 CLOCK 5 FLAG 6 GND 7 INT 8 DOUT 9 DIN 10 CS 11 SCLK...

Page 31: ...B_5V 100k R23 1 0Meg R25 EX_VDD_FAULTB EN_EX_VDD EX_VDD_FAULTB EN_EX_VDD Radj SH JP2 Choose proper resistor values to comply with the MSP430 ADC input requirements 33 R6 33 R7 GPIO6 Green D4 GND Board...

Page 32: ...i com 14 TDC1000 BSTEVM Board Layout Figure 26 BSTEVM Layout 32 TDC1000 GASEVM and TDC1000 BSTEVM Kit User s Guide SNIU026A March 2015 Revised December 2015 Submit Documentation Feedback Copyright 201...

Page 33: ...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 T...

Page 34: ...e Changed SETUP Tab 3 Changed SETUP Tab 11 Changed Schematic 29 NOTE Page numbers for previous revisions may differ from page numbers in the current version 34 Revision History SNIU026A March 2015 Rev...

Page 35: ...ing the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repa...

Page 36: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 37: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 38: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Page 39: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

Page 40: ...ltera Analog Devices Intersil Interpoint Microsemi Aeroflex Peregrine Syfer Eurofarad Texas Instrument Miteq Cobham E2V MA COM Hittite Mini Circuits General Dynamics 8 812 309 58 32 8 812 320 02 42 or...

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