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1

3
2

J7

PJ-102A

22μF

C25

4.7μF

C23

4.7μF

C24

4.7μF

C35

4.7μF

C36

5.1V

2

1

MMSZ4689-V

D1

49.9k

R28

24.9k

R33

13.7k

R34

178k

R35

Green

D2

Green

D3

165k

R32

174k

R29

C32

NI

R38

NI

GND

GND

GND

GND

GND

GND

GND

AGND

1

AGND

4

AGND

5

AGND

30

AGND

32

AGND

33

AGND

34

AGND

37

ISHARE

2

DNC

3

GND_PT

9

VOUT

10

VOUT

11

VOUT

12

VOUT

13

VOUT

14

VOUT

15

VOUT

39

PGND

16

PGND

17

DNC

25

PH

6

PH

7

PH

21

PH

22

PH

23

PH

24

PH

38

PH

41

GND_PT

8

PGND

18

PGND

19

PGND

20

PGND

40

VIN

26

INH/UVLO

27

SS/TR

28

STSEL

29

RT/CLK

31

PWRGD

35

VADJ

36

U2

LMZ35003RKG

GND

14

VOUT

17

VOUT

20

GND

39

PH

23

VIN

26

STSEL

29

A_VOUT

32

DNC

35

GND

15

VOUT

16

PH

21

PH

22

VOUT

40

PH

41

A_VOUT

37

PH

38

DNC

25

SS

28

CLK

31

RT

30

A_VOUT

34

VADJ

36

INH/UVLO

27

A_VOUT

33

GND

11

VOUT_PT

8

A_VOUT

5

DNC

2

GND

13

VOUT

18

VOUT

19

PH

24

GND

12

VOUT_PT

9

PH

6

PH

7

DNC

3

A_VOUT

1

GND

10

A_VOUT

4

U4

LMZ34002RKG

GND

OUT

1

NC

2

SENSE

3

6P4V2

4

6P4V1

5

3P2V

6

GND

7

1P6V

8

0P8V

9

0P4V

10

0P2V

11

0P1V

12

EN

13

NR

14

IN

15

IN

16

NC

17

NC

18

NC

19

OUT

20

PAD

U3

TPS7A4700RGW

OUT

1

NC

2

FB

3

NC

4

NC

5

NC

6

GND

7

NC

8

NC

9

NC

10

NC

11

NC

12

EN

13

NR/SS

14

IN

15

IN

16

NC

17

NC

18

NC

19

OUT

20

PAD

U5

TPS7A3301RGW

47μF

C26

47μF

C27

NI

R37

NI

R39

0

R40

NI

R41

NI

R42

0

R43

NI

R44

NI

R45

10μF

C28

1 F

μ

C29

0

R36

1 F

μ

C33

10μF

C31

GND

47μF

C30

GND

POS_5V_SUP

GND

GND

GND

174k

R46

13.7k

R53

2.2μF

C34

C45

NI

R52

NI

GND

165k

R55

GND

GND

47μF

C37

47μF

C38

R47

NI

10μF

C39

1 F

μ

C40

0

R51

10μF

C43

GND

47μF

C42

1 F

μ

C41

300

R30

300

R49

1 F

μ

C44

GND

GND

GND

GND

NEG_5V_SUP

USE WALL WART T1094-P5P-ND19-30V

+5V

-5V

POS_5V_SUP

1

2

3

JP11

VDD

1
2

J8

GND

1

2

3

JP12

VCC

1
2

J9

GND

NEG_5V_SUP

1

2

3

JP13

VSS

1
2

J10

GND

VDUT

1

2

3

JP14

IOVDD

1
2

J11

GND

10μF

C46

10μF

C47

10μF

C52

332k

R48

102k

R54

+14V

-14V

NI

R31

NI

R50

VDUT

VDUT

10μF

C51

0.1μF

C49

1 F

μ

C50

GND

0.47

R56

GND

GND

VDD

2.5V REF

DNC

1

VIN

2

TEMP

3

GND

4

TRIM/NR

5

VOUT

6

NC

7

DNC

8

U6

REF5025IDGK

600 ohm

L1

1 F

μ

C54

1 F

μ

C56

1 F

μ

C58

0.1μF

C55

0.1μF

C57

0.1μF

C59

0.1μF

C60

1 F

μ

C53

GND

1 F

μ

C48

TP2

TP3

TP4

TP5

TP6

TP7

TP8

TP9

GND

GND

GND

GND

AMC7834EVM Documentation

www.ti.com

24

SLAU608B – December 2014 – Revised May 2016

Submit Documentation Feedback

Copyright © 2014–2016, Texas Instruments Incorporated

AMC7834 Evaluation Module

Figure 31. AMC7834EVM Schematic (2 of 2)

Содержание AMC7834

Страница 1: ...6 3 AMC7834EVM Software Setup 7 3 1 Operating Systems for AMC7834EVM Software 7 3 2 AMC7834EVM Software Installation 7 4 AMC7834EVM Hardware Overview 8 4 1 Electrostatic Discharge Warning 8 4 2 Connec...

Страница 2: ...25 CH FALR CT Menu 21 26 Alarmout 21 27 Alarmout 21 28 GPIO Page 22 29 GPIO Write Read 22 30 AMC7834EVM Schematic 1 of 2 23 31 AMC7834EVM Schematic 2 of 2 24 32 AMC7834EVM PCB Components Layout 25 Li...

Страница 3: ...site www ti com 1 The 24 V wall adapter is not included with the evaluation module EVM Optionally a 24 V 750 mA center positive wall adapter can be separately purchased to interface to the onboard 2 1...

Страница 4: ...r the EVM A personal computer PC runs software that communicates with the SDM USB DIG platform which generates the power and digital signals used to communicate with the EVM board An optional 24 V wal...

Страница 5: ...put 4 DIG_GPIO3 GPIO control output or measure input 5 SDA I2 C data signal SDA 6 DIG_GPIO4 GPIO control output or measure input 7 DIG_GPIO1 GPIO Control Output or Measure Input 8 DIG_GPIO5 GPIO contr...

Страница 6: ...tform The SDM USB DIG platform is a general purpose data acquisition system that is used on select TI EVMs The core component of the platform is the MSP430F5528 an ultra low power 16 bit MCU The micro...

Страница 7: ...der on the TI website After the software is downloaded on the PC navigate to the AMC7834EVM_Installer folder and run the setup exe file as shown in Figure 4 When the software is launched an installati...

Страница 8: ...ode connected transistor Q1 JP6 Installed Reference Selection Installed REF_ADC CMP connects to onboard 2 5 V supply Not Installed External reference signal is applied to REF_ADC CMP JP7 Shunt on 1 2...

Страница 9: ...t states Found New Hardware USB Device The popup window then changes to Found New Hardware Virtual COM Port CDC This popup indicates that the device is ready for use The CDC driver is used for communi...

Страница 10: ...connect to the J3 header which is described in Table 6 Table 6 AMC7834EVM ADC SENSE Signal Connections Name Connector Description ADC1 J3 15 ADC channel 1 input ADC2 J3 13 ADC channel 2 input ADC3 J3...

Страница 11: ...ble 9 AMC7834EVM DAC Signal Connections Name Connector Description DAC1 J5 7 DAC1 bipolar DAC output DAC2 J5 5 DAC2 bipolar DAC output DAC3 J5 3 DAC3 bipolar DAC output DAC4 J5 1 DAC4 bipolar DAC outp...

Страница 12: ...al Definition Name Connector Description GPIO1 J6 13 General Purpose I O GPIO1 GPIO2 J6 15 General Purpose I O GPIO2 GPIO3 J6 17 General Purpose I O GPIO3 GPIO4 J6 19 General Purpose I O GPIO4 Sleep1...

Страница 13: ...GUI Power On If the SDM USB DIG has a faulty connection or is not connected at all the GUI launches in simulation mode In simulation mode NOT CONNECTED Simulating is displayed in the top right area o...

Страница 14: ...ean checkboxes in the Register Data column as displayed in Figure 11 Figure 11 Low Level Configuration Page This low level configuration page also provides the option to save the register map settings...

Страница 15: ...M is currently configured to use the onboard 2 5 V reference Figure 13 displays the options for internal or external reference operation These options can be selected in the Powerdown Mode drop down m...

Страница 16: ...tially and repeatedly When one set of conversions is complete the ADC multiplexer returns to the first channel and repeats the process Stop the auto conversion process by pressing Start Conv button ag...

Страница 17: ...i com AMC7834EVM Software Overview 17 SLAU608B December 2014 Revised May 2016 Submit Documentation Feedback Copyright 2014 2016 Texas Instruments Incorporated AMC7834 Evaluation Module Figure 17 ADC C...

Страница 18: ...Additional DAC reference configurations are illustrated in Table 7 After the DAC reference configuration is set the DACs can be programmed and released from the clamp voltage by unchecking the Enable...

Страница 19: ...DACs that have been set in synchronous mode in the DAC Sync register The Read DACs button also reads from the DAC data registers and updates the input fields with the read values The DAC read buttons...

Страница 20: ...opriate channel s mux Once the channels are active the Low Limit and High Limit fields are available for edit see Figure 24 Figure 24 Low Level Configuration Page The Write Settings button is used to...

Страница 21: ...T terminal By default the ALARMOUT terminal is active low the polarity of the ALARMOUT terminal can be configured by setting the ALARMOUT POLARITY bit in the ALARMOUT configuration register Figure 26...

Страница 22: ...Module Figure 28 GPIO Page Use the GPIO Block section of the GPIO tab as shown in Figure 29 to set the various GPIO functions To perform a write or read set the W R Function pull down to either Write...

Страница 23: ...3 JP9 1 2 3 JP8 GND GND 1 2 J1 1 2 J2 REF_IN REF_OUT REF_IN REF_OUT REF_ADC CMP REF_ADC CMP GND GND GND C10 0 1uF GND C11 0 1uF VDD VCC VDD C12 0 1uF VSS GND C13 0 1uF GND GND VDD C7 0 1uF IOVDD C9 0...

Страница 24: ...1 NC 2 FB 3 NC 4 NC 5 NC 6 GND 7 NC 8 NC 9 NC 10 NC 11 NC 12 EN 13 NR SS 14 IN 15 IN 16 NC 17 NC 18 NC 19 OUT 20 PAD U5 TPS7A3301RGW 47 F C26 47 F C27 NI R37 NI R39 0 R40 NI R41 NI R42 0 R43 NI R44 NI...

Страница 25: ...d May 2016 Submit Documentation Feedback Copyright 2014 2016 Texas Instruments Incorporated AMC7834 Evaluation Module 6 2 AMC7834EVM PCB Components Layout Figure 32 shows the layout of the components...

Страница 26: ...0 01 T DV P 21 1 J7 Connector DC Jack 2 1X5 5 mm TH CUI Inc PJ 102A 22 13 JP1 JP2 JP3 JP4 JP5 JP7 JP8 JP9 JP10 JP11 JP12 JP13 JP14 Header TH 100mil 3x1 Gold plated 230 mil above insulator Samtec Inc T...

Страница 27: ...Bumpon Hemisphere 0 44 X 0 20 Clear 3M SJ 5303 CLEAR Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from A Revision January 2016...

Страница 28: ...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...

Страница 29: ...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...

Страница 30: ...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...

Страница 31: ...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...

Страница 32: ...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...

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