Texas Instruments HVAL068A User Manual Download Page 11 | Manualshive

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Board Layout

Figure 8. Bottom Assembly Layer

11

SLVU984 – December 2013

Automotive Cranking Simulator User’s Guide

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Copyright © 2013, Texas Instruments Incorporated

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Summary of Contents for HVAL068A

Page 1: ...rials 18 List of Figures 1 HVAL068A EVM Board 2 2 Board Overview 3 3 Program 1 2 s div DaimlerChrysler Engine Cranking Test Pulse DC 10615 5 4 Program 2 200 ms div Volkswagen Warm Start Test Pulse VW80000 5 5 Program 3 2 s div Volkswagen Cold Start Test Pulse VW80000 6 6 VID Interface 7 7 Top Assembly Layer 10 8 Bottom Assembly Layer 11 9 Top Layer Routing 12 10 Bottom Layer Routing 13 11 Input Fi...

Page 2: ...e development process one must test the functionality of this kind of pre booster as for example in the TPS43330 to ensure a fast start up and a clean and stable output voltage for the subsequent electronics like point of load converters Also point of load converters which are directly connected to the battery require testing as the input voltage can drop very fast and the converter must react fas...

Page 3: ...9 R52 S2 S3 S4 S1 R64 SHIFT SIDE Q20 D7 R53 C36 R46 D9 C35 R62 R61 C34 D8 R40 Q14 D6 R47 C33 R60 C32 R63 www ti com Setup 2 1 Board Overview Figure 2 Board Overview The board consists basically of eight sub circuits An input filter to reduce the noise of the buck converter on the input cabling as well as active reverse polarity protection A synchronous buck converter providing the power for the ou...

Page 4: ...s showing the selected mode S or C Trigger is a push button to start generating a single pulse or continuous pulses Adjacent to it is a yellow LED which is on as long as pulse generation continues Delay is a potentiometer to set the delay between pulses in continuous mode 2 2 3 Jumpers J13 is the jumper to disconnect the supply voltage supervisor TPS3809K33 from the reset line of the microcontroll...

Page 5: ...e 12 6 V and the LED turns off The Program 1 2 3 push button selects one of the three available programs Each keystroke counts one program up After selecting the third program the next keystroke jumps back to program 1 Figure 3 Program 1 2 s div DaimlerChrysler Engine Cranking Test Pulse DC 10615 Figure 4 Program 2 200 ms div Volkswagen Warm Start Test Pulse VW80000 5 SLVU984 December 2013 Automot...

Page 6: ... stores the new mode but the change does not occur until completion or aborting of the present pulse and occurrence of a new input trigger event If the board is working in continuous mode pressing the Single Cont push button switches the C LED off and the S LED on The generation of the present pulse finishes and after that the output voltage goes back to the default value Now for a single pulse a ...

Page 7: ...ensure that the version of CCS in use is the latest The firmware project contains several files To change the pulses only the pulse c file requires modification Inside this file the three functions void generate_pulse_program_1 void void generate_pulse_program_2 void void generate_pulse_program_3 void define the form of the pulses They simply contain the commands for setting the output voltage acc...

Page 8: ... microcontroller to disconnect the reset line from the supply voltage supervisor TPS3809K33 Q1 2 Connect the EVM to a power supply 24 V 3 Connect the USB debugging interface and J14 of the EVM using a ribbon cable 4 Start Code Composer Studio and import the project HVL068A_software zip 5 Select the project and press F11 or click on Debug HVL068A Cranking Simulator 6 After programming of the microc...

Page 9: ...using The shape of the board fits into a standard housing Addition of the following components makes the board into a complete tool including labeled front and back cover Table 1 Optional Mechanical Housing Manufacturer Distributor Count Description Manufacturer Distributor Part Number Part Number Box ABS black 5 29 5 32 2 01 in 1 1598BBK Hammond Manufacturing Digikey HM163 ND 13 4 13 5 5 11 cm 2 ...

Page 10: ...8 Figure 9 and Figure 10 show the board layout for the HVL068A Cranking Simulator EVM Figure 7 Top Assembly Layer 10 Automotive Cranking Simulator User s Guide SLVU984 December 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 11: ...www ti com Board Layout Figure 8 Bottom Assembly Layer 11 SLVU984 December 2013 Automotive Cranking Simulator User s Guide Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 12: ...Board Layout www ti com Figure 9 Top Layer Routing 12 Automotive Cranking Simulator User s Guide SLVU984 December 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 13: ...www ti com Board Layout Figure 10 Bottom Layer Routing 13 SLVU984 December 2013 Automotive Cranking Simulator User s Guide Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 14: ... 7 Schematics Figure 11 Input Filter Bias Supply VID Interface Schematic 1 of 4 14 Automotive Cranking Simulator User s Guide SLVU984 December 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 15: ...ematics Figure 12 Adjustable Synchronous Buck Converter Schematic 2 of 4 15 SLVU984 December 2013 Automotive Cranking Simulator User s Guide Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 16: ...atics www ti com Figure 13 LEDs Trigger Input Schematic 3 of 4 16 Automotive Cranking Simulator User s Guide SLVU984 December 2013 Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 17: ...4 Microcontroller Trigger Output Switches JTAG Interface Reset Circuit Schematic 4 of 4 17 SLVU984 December 2013 Automotive Cranking Simulator User s Guide Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated ...

Page 18: ... CL10B223KB8NNNC America Inc Samsung Electro Mechanics 2 C38 C41 10 μF Capacitor ceramic 6 3 V X5R 20 CL10A106MQ8NNNC America Inc 1 D1 15 V Diode Zener 15 V 225 mW BZX84C15 7 F Diodes Inc 1 D2 B0540 Diode Schottky 40 V 0 5 A B0540W 7 F Diodes Inc 2 D3 D4 B360A Diode Schottky 60 V 3 A B360A 13 F Diodes Inc 1 D5 B560C Diode Schottky 60 V 5 A B560C 13 F Diodes Inc 1 D6 WP934CB GD LED right angle gree...

Page 19: ... 10 W 1 RC0603FR 0738K3L Yaego 3 R27 R28 R31 3 32Ω Resistor chip 1 10 W 1 RC0603FR 073R32L Yaego 1 R29 3 3 Ω Resistor chip 1 4W 10 RC1206JR 073R3L Yaego 1 R32 1 78 kΩ Resistor chip 1 10 W 1 RC0603FR 071K78L Yaego 1 R33 4 32 kΩ Resistor chip 1 10 W 1 RC0603FR 074K32L Yaego 1 R34 27 4 kΩ Resistor chip 1 10 W 1 RC0603FR 0727K4L Yaego 1 R35 10 5 kΩ Resistor chip 1 10 W 1 RC0603FR 0710K5L Yaego 1 R38 2...

Page 20: ...ring 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 repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period 3 ...

Page 21: ... 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 indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la rég...

Page 22: ... connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors cu...

Page 23: ...F 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 LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL T...

Page 24: ...esponsible 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 information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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