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Infineon TLI4970, User Manual

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Infineon TLI4970 User Manual Download Page 15

Evaluation Board

  

 User’s Manual

15

Rev. 1.2, 2013-06-06

Software Description for Evaluation Kits

Figure 10

Schematic of the Evaluation Board

PGSISI

100n

nc

nc

3V9

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10k

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GPG

GPG

GPG

M4970-Char

EMC

V2.1

1

14

2

15

3

16

4

17

5

18

6

19

7

20

8

21

9

22

10

23

11

24

12

25

13

X2

C1

1

1

2

3

4

5

6

7

8

9

10

11

12

JP1

1

1

2

3

4

5

6

7

8

9

10

11

12

13

JP1

2

C4

1

2

3

4

5

JP1

1

2

3

4

5

JP2

R5

D2

R6

VB3V3

C6

T1

VB5V

VB3V3

R2

VB3V3

C2

VB3V3

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VB5V

VB5V

VB3V3

JP6

J4

J8

VDD33_EXT

R4

VB3V3

R8

VB3V3

J10

CS

5

DOUT

3

FOC

6

GND

1

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7

IP-

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SCLK

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GND

1

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SCLK

4

VDD

2

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5

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4

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CS

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Summary of Contents for TLI4970

Page 1: ...Sense and Control User s Manual Software Description for Evaluation Kits Rev 1 2 2013 06 06 Programmer Kit Current Sensor TLI 4970 ...

Page 2: ...ery terms and conditions and prices please contact the nearest Infineon Technologies Office www infineon com Warnings Due to technical requirements components may contain dangerous substances For information on the types in question please contact the nearest Infineon Technologies Office Infineon Technologies components may be used in life support devices or systems only with the express written a...

Page 3: ...EC of Commission Electrotechnique Internationale IrDA of Infrared Data Association Corporation ISO of INTERNATIONAL ORGANIZATION FOR STANDARDIZATION MATLAB of MathWorks Inc MAXIM of Maxim Integrated Products Inc MICROTEC NUCLEUS of Mentor Graphics Corporation Mifare of NXP MIPI of MIPI Alliance Inc MIPS of MIPS Technologies Inc USA muRata of MURATA MANUFACTURING CO MICROWAVE OFFICE MWO of Applied ...

Page 4: ...of the Evaluation Board 12 3 1 1 Mounting Options for the Current Sensor 12 3 1 2 Normal Operation 12 3 1 3 Operating with External Power Supply 13 3 1 4 Programming of the Sensor EEPROM 13 3 1 5 Programming Interface 14 4 Graphical User Interface 16 4 1 Main Window 16 4 2 Sensor Specific Elements 19 4 2 1 Graph View 19 4 2 1 1 Sensor Parameters 21 4 2 2 Data View 22 4 3 EEPROM Window 23 4 4 Menu ...

Page 5: ... 7 EvalKit Installer Installation Complete 10 Figure 8 Evaluation Board for TLI4970 11 Figure 9 Layout of the Evaluation Board 13 Figure 10 Schematic of the Evaluation Board 15 Figure 11 Main Window 16 Figure 12 Selection of sensor 17 Figure 13 Data window 18 Figure 14 Folder and Search Options 19 Figure 15 Sensor specific elements 20 Figure 16 Drop down menu for graph 20 Figure 17 Window for conf...

Page 6: ...rts see Figure 1 1 CDROM including the PC software 2 Programmer PGSISI 2 3 External power supply 4 Evaluation Board Figure 1 Evalkit The PC software is responsible for visualizing the basic functionality of the TLI4970 Thereby the PC communicates with the sensor via a programming interface i e PGSISI 2 The maximum communication rate between PC and sensor is around 41700 samples per second The PGSI...

Page 7: ...4970 the software must be installed First of all run setup exe which is located in the installation folder This will also install the necessary driver for the programmer i e PGSISI 2 The typical Microsoft Windows installer will guide you through all the steps to install the Programmer Kit software that are 1 An installation window will appear as illustrated in Figure 2 Click Next to continue with ...

Page 8: ...Installation Guide User s Manual 8 Rev 1 2 2013 06 06 Software Description for Evaluation Kits Figure 2 EvalKit Installer Welcome Figure 3 EvalKit Installer License Agreement ...

Page 9: ...Installation Guide User s Manual 9 Rev 1 2 2013 06 06 Software Description for Evaluation Kits Figure 4 EvalKit Installer Select Installation Folder Figure 5 EvalKit Installer Confirm Installation ...

Page 10: ...Installation Guide User s Manual 10 Rev 1 2 2013 06 06 Software Description for Evaluation Kits Figure 6 Evalkit Installer Installing Figure 7 EvalKit Installer Installation Complete ...

Page 11: ...8 Evaluation Board for TLI4970 Table 2 Absolute maximum ratings1 1 General conditions unless otherwise specified VDD 5 0 V TA 25 C Parameter Symbol Values Unit Note Test Condition Min Typ Max Supply voltage on External supply pins VDD 0 3 5 5 V Maximum primary current in socket IP_Socket 10 10 A Sensor mounted inside the socket Maximum primary current for soldered device IP_PCB 50 50 A Sensor sold...

Page 12: ... sensor is located inside the socket DUT_SOCKET If current sensor is soldered onto the PCB and the socket is empty the board can be loaded with a maximum of 50 Apeak 3 1 2 Normal Operation During normal operation the full functionality of the TLI4970 can be tested without the need for any external power supplies or connections All needed voltages for the sensor and the level shifter ICs are suppli...

Page 13: ...and the POWER button are only operating on the GUI but not on the sensor In order to do a Sensor Reset or a reload of the EEPROM settings the external supply voltage needs to be recycled 3 1 4 Programming of the Sensor EEPROM The user area of the EEPROM can be reprogrammed via the PGSISI 2 This allows the evaluation of different settings for the low pass filter or overcurrent limit These settings ...

Page 14: ...ngle pin For this communication the OCD pin is used Due to the bidirectional data transfer the level shifting between the 5 V micro controller on the PGSISI 2 and the 3 3 V current sensor domain needs a special level shifter On the Evaluation board this bidirectional level shifter is realized by a NMOS source follower Note This voltage follower is not needed in applications where the micro control...

Page 15: ..._EXT R4 VB3V3 R8 VB3V3 J10 CS 5 DOUT 3 FOC 6 GND 1 IP 7 IP 8 SCLK 4 VDD 2 DUT_SOCKET R10 R11 R12 R13 R14 R15 J15 J16 JP4 CS 5 DOUT 3 FOC 6 GND 1 IP 7 IP 8 SCLK 4 VDD 2 DUT R7 VB3V3 1 15 3 14 7 11 8 10 OE 2 NC0 6 VH 12 VS 16 VL 4 VS 9 NC1 13 GND 5 VB5V C1 C3 VB5V C8 1 15 3 14 7 11 8 10 OE 2 NC0 6 VH 12 VS 16 VL 4 VS 9 NC1 13 GND 5 C5 1 2 JP3 R9 C7 1 2 JP5 1 2 JP7 R16 R17 R18 R19 R20 R21 VB5V VB5V R...

Page 16: ...LI4970 TLI4970 Evalkit Software The main window of the application is illustrated in Figure 11 The field Programmer will show a list of all PGSISI 2 that have been connected to the PC via a USB cable If the respective field is empty please connect a PGSISI 2 via USB cable to the PC or press the update button The number of connected PGSISI 2 programmer is not limited For each connected programmer o...

Page 17: ...current values of the sensor the Start button must be pressed Depending on the configuration inside the sensor specific area current values will be read from the sensor periodically The read values will be interpreted analyzed and displayed by the software see Chapter 4 2 For example each value which has been read from the sensor will be stored temporarily in a CSV file located in the folder C Pro...

Page 18: ...tton again will turn on the power of the sensor and the name of the button will change back to Power is On Turn off the power of the sensor is recommended before the sensor or the Evaluation Board is removed Figure 13 Data window Tab Window Display of Current A Status of Overcurrent Graph of Current List of Status Information Sample Rate Trigger for Graph ...

Page 19: ...sheet the sensor output can either be a value word or a status word A value word contains one current value specifies if an overcurrent has been detected and a parity bit that can be used for detection of a communication error 4 2 1 Graph View The current value is displayed in the graph and in a text box The dimensions of the graph can be configured by a right click with the mouse onto the graph a...

Page 20: ...f the PC select a low sample rate By default the sample rate is 100 Samples per second On the right side of the window a so called tabbed window is shown The tabbed window contains two tabs i e Sensor Parameters and Data View respectively Both tabs are described in Chapter 4 2 1 1 and Chapter 4 2 2 Figure 15 Sensor specific elements Figure 16 Drop down menu for graph Tab Window Display of Current ...

Page 21: ...CD pin is enabled and the current is above the OCD level the EEPROM cannot be burned because the communication for the burn process and the OCD output share the same pin of the sensor Thus the detection of an overcurrent will interrupt the communication during the burn process and can lead to corrupted EEPROM For changing the parameters in the EEPROM use the Burn into EEPROM button The burn proces...

Page 22: ...nted Current This column shows the current in ampere Parity OK This column shows if the parity of one sample is OK or wrong OCD active This column shows if an overcurrent has been detected or not Therefore bit number 13 of the SPI frame is evaluated SPI data This column shows the raw SPI data that has been received from the sensor The data view only shows a history of the previous 1000 samples Whe...

Page 23: ...ected by left click on the respective entry Depending on which field has been selected the corresponding bit field in the center of the window is highlighted Further the value of the selected bit field is shown on the right side The value is displayed in hexadecimal and in decimal The content of each address or bit field can be changed by selection of the respective field name on the left side of ...

Page 24: ...s task the power of the sensor is turned off and on Then the test mode is enabled and the register values are read and displayed in the window Load With this task an EEPROM setting can be loaded from a XML file that has been stored before Store The current values of the EEPROM register can be stored as an XML file All values of the displayed addresses are stored Close Pressing this button will clo...

Page 25: ...Graphical User Interface User s Manual 25 Rev 1 2 2013 06 06 Software Description for Evaluation Kits Figure 21 About Window ...

Page 26: ...Published by Infineon Technologies AG w w w i n f i n e o n c o m ...

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