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10.2

STEVAL-CTM005V1 schematic diagram

Figure 14. 

STEVAL-CTM005V1 capacitor board schematic

_V

270µF

270µF

+

C14

+

C23

TW11

2

1

1

2

_U

+

C12

2

1

270µF

1

C21

_U

C13

+

+

270µF

C27

2

+

DC_BUS-

1

2

270µF

C20

2

C9

+

C18

C10

1

1

DC_BUS-_V

270µF

1

2

+

+

PADs for High Current - 200A

C8

270µF

2

C19

+

C16

270µF

270µF

+

C24

DC_BUS-_U

2

1

270µF

270µF

1

C17

270µF

1

1

+

C15

_V

2

+

C11

1

2

1

1

270µF

1

DC_BUS-

2

2

+

2

C22

C26

+

+

1

270µF

C7

DC_BUS-_W

+

270µF

2

1

2

+

270µF

2

+

_W

2

270µF

DC_BUS-_V

1

TW10

+

2

1

_W

270µF

C6

1

+

1

270µF

270µF

+

DC_BUS-_W

C25

270µF

270µF

1

2

2

2

1

DC_BUS-_U

10.3

STEVAL-CTM006V1 schematic diagrams

Figure 15. 

STEVAL-CTM006V1 driver board schematic - main

4

LS_Gate_V_D

CH3_N

Driver Board

CH1_N

24

CON2

10

Enc Z/H3_D

GND_D

NTC+_W

6

1

1803426

1

4

7

21

CH1

POWER_GROUND_D

2

2

LS_Gate_W_D
LS_Source_W_D

2

NTC-_W

Temp.Monitoring

NTC+_W

ADC_U

8

1

CON3

4

HS_Source_W

HS_Source_U_D

HS_Source_W_D

NTC-_V

HS_Source_V_D

3

Temperature_Sensing_D

Enc A/H1_D

POWER_GND

NTC+_U

2

GND_D

J2

19

14

15

5

5

C4

NTC+_V

47µF

1

HS_Source_W_D

30

LS_Source_U

2

3

ADC_V

34

HS_Gate_U_D

LS_Gate_W

LS_Source_V_D

4

2

Iph_W

GND_D

GND_D

1

CON4

ADC_W

26

LS_Gate_W_D

6

1

CON1

CON4A

6

HS_Source_V

+

HS_Source_U_D

9

25

LS_Gate_V_D

1

Multipole Male connector 

5

Distreleck 121637

09185346324

4

CH1_N

+Vin_D
+5V_D
+3V3_M

Iph_U

0.1µF

HS_Gate_U

1

FEMALE CONNECTOR - ON BOTTOM

2

Enc A/H1_D

HS_Gate_W_D

LS_Gate_V

NTC-_V

11

12

13

HS_Source_V_D

HS_Gate_V_D

POWER_GROUND_D

18
20

8

7

1

DC_BUS_MONITOR_D

23

C5

14

Enc B/H2_D

JP1

Vcc_ICS

C3

Iph_V

LS_Gate_U_D

13

HS_Gate_V

10

7

FEMALE CONNECTOR - ON BOTTOM

FEMALE CONNECTOR- ON BOTTOM

FEMALE CONNECTOR- ON BOTTOM

8

C2

Enc B/H2_D

6

GND_D

2

120Ohm@100MHz

CH2_N

10

11

Vcc_ICS

22

0.1µF

2

1

Enc Z/H3_D

NTC+_ULS_Source_V_D

CH1

+5V_D

Temperature_Sensing_D

12

HS_Gate_V_D

HS_Source_U

6

LS_Source_W_D

NTC-_W

BKIN

DC_Bus_Monitor

2

2

LS_Source_U_D

NTC-_U

DC_BUS_MONITOR_D

7

NTC+_V

33

GND_D

BKIN_D

1

ADC_U

NTC-_U

2
4

LS_Source_V

CH2

6

1
3

LS_Gate_U

28

LS_Gate_U_D

ICS CONNECT

C

O

1

R

5

NTC+_U

NTC+_W

CH3

8

+HV_Battery_D

LS_Source_U_D

NTC-_U

CH3

1

CH3_N

0.1µF

+3V3_Micro_D

GND_D

7

29

CH2

+3V3_Micro_D

J1

17

1

LS_Source_W

L1

CH2_N

+HV_Battery_D

HS_Gate_W

4

HS_Gate_U_D

5

8

8V to 36V

NTC+_V

2

0.1µF

2

Driver Board

LS_Source_U_D

31

NTC-_W

9

5

HV_DC_BAT

3

J4

2

1
3

16

LS_Source_W_D

HS_Gate_W_D

GND_D

+5V_D

3

LS_Source_V_D

NTC-_V

ADC_V
ADC_W

+Vin_D

3

32

7

8

9

27

UM2458

STEVAL-CTM005V1 schematic diagram 

UM2458

 - 

Rev 1

page 20/40

Содержание STEVAL-CTM004V1

Страница 1: ...package The driver stage is an STEVAL CTM006V1 board with L6491 high current capability gate drivers to drive the power MOSFETs and integrated comparator for protections The driver board includes the ST motor control connector so you can interface the STEVAL CTM009V1 with any ST MCU control board suitable for motor control not included in the kit The system also has an STEVAL CTM005V1 bus link cap...

Страница 2: ...esigned also for automotive applications High and low side high current capability L6491 gate driver with integrated comparator for fast protection and smart shutdown functions Maximum power 5 kW at 48 V Isolated current sensing bus voltage and temperature monitoring 1 2 Target applications The STEVAL CTM009V1 kit is designed for applications involving motor drives for electric traction such as fo...

Страница 3: ...e set up in accordance with the specifications and the targeted application The board contains electro statically sensitive components that are prone to damage through improper use Electrical components must not be mechanically damaged or destroyed Avoid any contact with other electronic components During the motor driving converters must be protected against excessive strain Do not bend or alter ...

Страница 4: ... not included in this kit control board of the STEVAL HKI001V1 kit which features an STM32F303RB 32 bit microcontroller Figure 2 STEVAL CTM009V1 block diagram DRIVING STAGE POWER STAGE Not used Motor Control ICS Ph_U driving circuitry Ph_V driving circuitry Ph_W driving circuitry Vin L6491 driver 3V3 DC DC 5V DC DC 12V DC DC DRV PW DRV PW DRV PW L6491 driver L6491 driver ENC HALL PW DRV PW DRV PW ...

Страница 5: ...n the circuit To monitor the temperature of the power board and provide over temperature protection three NTCs are placed on the power board near the drain of one power MOSFET for each inverter leg The power section also has connectors for the driver board with CON5 phase_U CON6 phase_V and CON7 phase_W for gate driving and NTC sensing and J3 for bus voltage The board also hosts six towers near th...

Страница 6: ...he market Excellent figure of merit FoM Low Crss Ciss ratio for EMI immunity High avalanche ruggedness Figure 4 Package and internal schematic diagram UM2458 STH315N10F7 N channel Power MOSFET characteristics UM2458 Rev 1 page 6 40 ...

Страница 7: ...2 Bus voltage monitoring Bus voltage monitoring is implemented across an input voltage range of 5 to 75 V The following table shows the measured input voltage and the corresponding voltage level sent to the ADC input of the STM32 microcontroller unit Table 1 Input voltage bus and input signal to STM32 ADC channel Input Voltage ADC input 48V 2 0V 75V max value 3 1V 5 1 3 Temperature monitor Three N...

Страница 8: ...h 1 nF load 3 3 V 5 V TTL CMOS inputs with hysteresis Integrated bootstrap diode Comparator for fault protections Smart shutdown function Adjustable deadtime Interlocking function Compact and simplified layout Bill of material reduction Effective fault protection Flexible easy and fast design For detailed information on the product see the device datasheet Figure 6 L6491 gate driver pin out Table ...

Страница 9: ...D P Signal ground 7 PGND P Power ground 8 LVG O Low side driver output 9 CP I Comparator negative input 10 CP I Comparator positive input 11 NC Not connected 12 OUT P High side floating common voltage 13 HVG O High side driver output 14 BOOT P Bootstrapped supply voltage UM2458 UM2458 Rev 1 page 9 40 ...

Страница 10: ...ng to a negligible ripple voltage on the bus Figure 7 STEVAL CTM005V1 bus link capacitor board 6 1 STEVAL CTM008V1 current sensing board The STEVAL CTM008V1 current sensing board is a general purpose board for motor control that can read up to three phase motor currents and DC bus currents if four ICS are on board The board included in the kit hosts two ICS to read two phase currents This sensing ...

Страница 11: ...Figure 8 STEVAL CTM008V1 current sensing board UM2458 STEVAL CTM008V1 current sensing board UM2458 Rev 1 page 11 40 ...

Страница 12: ...e power stage connect a 12 V DC power supply to the JP1 connector and turn on the power supply Step 7 Connect the flat cable between CON2 on the STEVAL CTM006V1 driver board and J1 on the STEVAL CTM008V1 current sensing board Step 8 Connect a 48 VDC power supply to the STEVAL CTM006V1 driver board Step 9 Connect the phase motor cables to the STEVAL CTM004V1 power board 7 1 Connectors In addition t...

Страница 13: ...4 ADC_V 5 Ground 6 ADC_W 7 Ground 8 Not Connected 9 Ground 10 Vcc_ICS Figure 10 34 pin motor control connector J1 on the driver board Table 5 Motor control connector pinout Pin number Pin name Function Pin number Pin name Function 1 FAULT 18 Ground 2 Ground 19 ADC_W 3 PWM_U_H 20 Ground 4 Ground 21 Not connected UM2458 Connectors UM2458 Rev 1 page 13 40 ...

Страница 14: ...Ground 14 Bus voltage monitoring 31 Enc A H1 15 ADC_U 32 Ground 16 Ground 33 Enc B H2 17 ADC_V 34 Enc Z H3 7 2 Signal LEDs Table 6 LEDs Indicators on board Name Color Description Location D1 RED 3V3 STEVAL CTM006V1 D2 RED 5V STEVAL CTM006V1 D3 RED 12V STEVAL CTM006V1 D53 RED 48V STEVAL CTM004V1 7 3 Push buttons Table 7 Push buttons Name Description Location SW6 STM32 microcontroller reset Control ...

Страница 15: ...sing Enabled R1 Bus voltage sensing 63 9 kΩ R2 Bus voltage sensing 2 7 kΩ Min rated voltage 36 V Max rated voltage 60 V Nominal voltage 48 V Temperature sensing Enabled V0 761 mV T0 25 C ΔV ΔT 21 mV C Max working temperature on sensor 125 C Current sensing Enabled Current reading topology Two insulated current sensors ICS gain 0 004 V A Overcurrent protection disabled Power switches switching freq...

Страница 16: ...Parameter Value Unit U V W driver Force same values for U V W driver enabled U V W driver Use STGAP1S gap drive disabled UM2458 Firmware for STM32 PMSM FOC SDK UM2458 Rev 1 page 16 40 ...

Страница 17: ...as applied to drive a PMSM connected to a brake dynamometer The system was set at 5 kW output power to monitor the behavior of VGS VDS phase current and device temperatures measured by an infrared thermo camera Ch1 Ids Ch2 Vgs HS Ch3 Vds HS Ch4 Vgs LS Figure 11 Measured waveforms The figure below shows the temperature of phase U devices after 40 minutes of continuous operation at full power The de...

Страница 18: ...rature C High Side Uphase devices Low Side Uphase devices Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 max 99 5 99 8 100 4 101 2 102 4 101 5 98 5 101 9 103 4 104 5 104 3 104 9 min 85 9 81 1 91 9 91 9 87 9 93 3 NA 1 NA 1 88 6 90 1 94 9 103 5 Average 94 6 91 6 98 8 96 2 96 7 97 4 NA 1 NA 1 94 5 96 7 99 9 101 9 1 Not measured due to an obstacle along the measurement line UM2458 Experimental measurements UM...

Страница 19: ...10k PW D RES V 2 2 _ _ 2 2 2 NTC R120 R175 PW_ _ 1 2 D 0 033uF HS _ _ _ 10k V 56 7 Q34 2 1 DC 2 Q10 U 0 033uF D 23 LS _ R117 Source NTC _ Q22 _ _ U HS _ C82 _ V U R177 Q12 2 2 Q27 R121 5 6 7 _ 10k LS_ 2 2 PW LS 2 2 4 7k 10k R72 _ 1 _ _ _ 5 6 7 V 5 67 2 3 2 V _ _ V GATE _ _ 1 1 GATE HV R125 _ GATE D 2 2 2 3 2 U 2 2 R153 0 001 2 _ C81 _ Source R1242 2 V 1 R126 1 Q16 _ R97 V R130 10k R114 GATE 2 _ D ...

Страница 20: ...2 Iph_W GND_D GND_D 1 CON4 ADC_W 26 LS_Gate_W_D 6 1 CON1 CON4A 6 HS_Source_V HS_Source_U_D 9 25 LS_Gate_V_D 1 Multipole Male connector 5 Distreleck 121637 09185346324 4 CH1_N Vin_D 5V_D 3V3_M Iph_U 0 1µF HS_Gate_U 1 FEMALE CONNECTOR ON BOTTOM 2 Enc A H1_D HS_Gate_W_D LS_Gate_V NTC _V 11 12 13 HS_Source_V_D HS_Gate_V_D POWER_GROUND_D 18 20 8 7 1 DC_BUS_MONITOR_D 23 C5 14 Enc B H2_D JP1 Vcc_ICS C3 I...

Страница 21: ...GND_P 12V_D R183 1 RS 687 8250 ON Semiconductor MMSZ4684T1G NTC HALL ENCODER CONNECTOR Gate_LS 10pF C35 1 Overcurrent POWER_GND LS_Source_V 1 4 7k 5 8 10 1 L4 C113 1 SD OD SD_1 Source_HS Iph_U GND_P 0 0 1 NTC _U N M 2 3V3_D 2 12V_drive 5V_Drive 3V3_Drive 3V3_Micro 1 BAT30KFILM SD_3 NTC Source_LS 1 2 R187 GND_D POWER_GND 2 HS_Source_V D5 LS_Source_U GND_D K C112 3V3_D CH1_N 2 2 9 Gate_HS 1 Enc Z H3...

Страница 22: ... 100pFC118 2 GND_P R242 CP 10 K 100 5001 C 1 1 5000 A 3V3_D TP22 2 2 2 PGND 8 LVG N C 11 z Expected 2 58V at 220Apk with LEM HTFS 200 P 2 1000pF D57 R41 Source_LS SD OD STPS5L60SY IC8 C510 22uF 1 TP26 C61 K 100k R222 GND_D STTH102AY HIN 3 TP21 0 22uF D22 R241 0 1 R40 2 1 D58 1 C119 SM15T12CAY 2 8 2 5001 SGND 7 C52 1000pF 18k 1 5 2 5000 R46 GND_P 100 I_sense Gate_LS 1 1 R239 1 87k 2 1 R37 C C57 2 0...

Страница 23: ...K 1 2 BEAD Murata BLM18SG331TN1D 2 D46 R168 4 COMP 2 STPS3L40SY CS 2 2 1 C95 Vin 3V3_Drive 2 0 1uF 3V3_Micro 1 5V_Drive 2 220 2 A 2 L6 2 GND 7 COMP 8 VCC 1 ESDA5V3LY A 3 3uF 2 1 1 1 C97 47k 1k R159 L5 ESDA14V2LY 1 15uH 2 CS 15nF 0 0 Q37 6 2 9 1k 1 A 6 FSW 1 120pF 7GND 5FB D48 2 R171 2 0 1 2 C101 CS 3 1 R167 C99 1 SYNC EN 3 0 1 10uF C105 2 C104 1 D47 4 3k U4 SM4T28AY 2 R165 C108 47uF 1 1 1 C100 47u...

Страница 24: ...3 TP4 1 8K JP 7 3 Vref C9 JP 5V Iph_U 1 HTFS 200 P S3 Vref 1 8K R1 C6 2 1 ICS4 Ip 47nF 10V Vref IPH_W Out 3 3 Out Out 2 1 5V 0 male 0 2 4 7nF 10V 5V 0 4 VCC 3 R4 TEST POINT 47nF 10V 0 3 6K R6 ICS2 VCC Ip 4 Vref 1 Ip Vcc 1 HTFS 200 P 47nF 10V 4 Out 1 1 C10 1 8K TP1 0 IBAT 4 3 6K R8 HTFS 200 P TP2 Vref GND_C 0 TP3 IPH_W 2 5V 4 7nF 10V C12 CON10A 4 7nF 10V 1 C7 2 0 0 0 0 3 6K Vcc 0 47nF 10V 4 7nF 10V...

Страница 25: ...n Manufacturer Order code 1 6 C80 C83 C85 C88 C89 C92 0 033uF 1206 3216 Metric 250V CAP CER 0 033UF 250V X7R 1206 TDK Corporation CGA5L3X7R2E333M1 60AA 2 6 C81 C82 C86 C87 C90 C91 1uF 2220 5750 Metric 250V CAP CER 1UF 250V X7R 2220 TDK Corporation CGA9N3X7R2E105K2 30KA 3 3 CON5 CON6 CON7 CON8 StripMale2X4SM D Double Strip Line Male SMD 2X4 Pitch 2 54 Molex LLC 0015912080 4 1 J3 CON4A StripMale2X2S...

Страница 26: ... 0710KL 8 6 R83 R98 R119 R132 R145 R158 NM 9 6 R173 R174 R175 R176 R177 R178 0 001 2818 7W RES SMD 0 001 OHM 1 7W 2818 Vishay Dale WSHM28181L000FEA 10 3 RT1 RT2 RT3 4 7k 0805 2012 Metric NTC THERMISTOR 4 7K OHM 5 0805 Murata Electronics North America NCP21XM472J03RA 11 9 TW1 TW2 TW3 TW4 TW5 TW6 TW7 TW8 TW9 TW10 TW11 Hexagonal Tower M5x10mm Male Femal M5X10 RS PRO 806 6632 12 2 SP1 SP2 M3x10mm Stan...

Страница 27: ...33 10pF 50V 10 CAP CER X7R 0603 Murata Electronics North America GRM188R71H103KA0 1D 5 2 C34 C35 10pF 50V 0 5pF CAP CER 10PF 50V C0G 0603 TDK Corporation CGA3E2C0G1H100D0 80AD 6 3 C37 C50 C63 1 µF 50V 10 CAP CER JB 1206 TDK Corporation C3216JB1H105K160A A 7 9 C38 C48 C51 C61 C64 C74 C109 C110 C111 0 22µF 50V 10 CAP CER X7R 0603 TDK Corporation CGA3E3X7R1H224K0 80AD 8 6 C39 C46 C52 C59 C65 C72 1000...

Страница 28: ...3 D53 1 6mmX0 8mm 3 0mA 1 8V DIO Rectangle Flat Top Red KINGBRIGHT KP 1608SRC PRV 23 3 D4 D5 D6 30V 300mA DIODE SCHOTTKY SOD523 ST BAT30KFILM 24 7 D10 D16 D22 D28 D34 D40 D46 60V 5A DIODE SCHOTTKY SMC ST STPS5L60SY 25 6 D12 D18 D24 D30 D36 D42 10 2VWM 21 7VC TVS DIODE SMC ST SM15T12CAY 26 4 D47 D48 D50 D51 40V 3A DIODE SCHOTTKY SMC ST STPS3L40SY 27 1 D49 400 W Automotive Transil ST SM4T28AY 28 1 D...

Страница 29: ...A MOSFET N CH SOT 223 ST STN4NF06L 45 1 R1 820Ω 1 10W 1 RES SMD 0603 Yageo RC0603FR 07820RL 46 1 R2 1 33k 1 10W 1 RES SMD 0603 Yageo RC0603FR 071K33L 47 1 R3 3 57k 1 10W 1 RES SMD 0603 Yageo RC0603FR 073K57L 48 16 R4 R6 R8 R9 R10 R11 R12 R13 R26 R42 R58 R179 R188 R224 R225 R251 0 0Ω 1 10W RES SMD JUMPER 0603 Yageo RC0603JR 070RL 49 2 R7 R163 1 5kΩ 1 10W 1 RES SMD 0603 Yageo RC0603FR 071K5L 50 3 R1...

Страница 30: ...3L 66 1 R172 5 49Ω 1 10W 1 RES SMD 0603 Yageo RC0603FR 075K49L 67 3 R180 R181 R183 20kΩ 1 8W 1 RES SMD0805 Yageo RC0805FR 0720KL 68 2 R182 R184 10kΩ 1 4W 1 RES SMD 1206 Yageo RC1206FR 0710KL 69 1 R185 3 9kΩ 1 10W 1 RES SMD 0603 Yageo RC0603FR 073K9L 70 1 R186 39Ω 1 10W 1 RES SMD 0603 Panasonic Electronic Components ERJ 3EKF39R0V 71 1 R187 2 7kΩ 1 10W 1 RES SMD 0603 Yageo RC0603FR 072K7L 72 1 R189 ...

Страница 31: ...LY 11 4 STEVAL CTM008V1 bill of materials Table 13 STEVAL CTM008V1 sensing board bill of materials Item Q ty Ref Part Value Description Manufacturer Order code 1 4 C1 C4 C7 C9 ANY 4 7nF smc0603 25 V 10 CAP CER X7R 0603 any 2 8 C2 C3 C5 C6 C8 C10 C11 C12 ANY 47nF 25 V 10 CAP CER X7R 0603 any 3 2 ICS1 ICS2 CURRENT SENSOR HALL 200A V trasdulemHTFS400 P LEM HTFS 200 P 4 1 ICS3 NM CURRENT SENSOR HALL 2...

Страница 32: ...rer Order code 10 1 Flat cable 150mm 10 Position Cable Assembly Rectangular Socket to Socket Harwin Inc M50 9100542 11 4 S1 S2 S3 S4 ANY 2X2 54 mm Jumper siptm2002 Strip line male any UM2458 STEVAL CTM008V1 bill of materials UM2458 Rev 1 page 32 40 ...

Страница 33: ...per thickness of 175 µm The board is designed for optimal thermal management under high current conditions Figure 21 STEVAL CTM004V1 power board layout The STEVAL CTM006V1 driver board is a 2 layer PCB thickness 1 6 mm and copper thickness 70 µm UM2458 PCB layouts UM2458 Rev 1 page 33 40 ...

Страница 34: ...Figure 22 STEVAL CTM006V1 driver board layout UM2458 PCB layouts UM2458 Rev 1 page 34 40 ...

Страница 35: ...Revision history Table 14 Document revision history Date Version Changes 04 Oct 2018 1 Initial release UM2458 UM2458 Rev 1 page 35 40 ...

Страница 36: ... 7 5 1 STEVAL CTM006V1 driver board 7 5 1 1 Power supply section 7 5 1 2 Bus voltage monitoring 7 5 1 3 Temperature monitor 7 5 1 4 L6491 gate driver characteristics 8 6 STEVAL CTM005V1 bus link capacitor board 10 6 1 STEVAL CTM008V1 current sensing board 10 7 How to set up the system 12 7 1 Connectors 12 7 2 Signal LEDs 14 7 3 Push buttons 14 8 Firmware for STM32 PMSM FOC SDK 15 8 1 Firmware for ...

Страница 37: ...1 STEVAL CTM009V1 kit bill of materials 25 11 1 STEVAL CTM004V1 bill of materials 25 11 2 STEVAL CTM005V1 bill of materials 26 11 3 STEVAL CTM006V1 bill of materials 27 11 4 STEVAL CTM008V1 bill of materials 31 12 PCB layouts 33 Revision history 35 UM2458 Contents UM2458 Rev 1 page 37 40 ...

Страница 38: ... 13 Figure 11 Measured waveforms 17 Figure 12 Measured temperatures of U_phase Power MOSFETs 18 Figure 13 STEVAL CTM004V1 power board schematic 19 Figure 14 STEVAL CTM005V1 capacitor board schematic 20 Figure 15 STEVAL CTM006V1 driver board schematic main 20 Figure 16 STEVAL CTM006V1 driver board schematic sensing 21 Figure 17 STEVAL CTM006V1 driver board schematic gate drivers 22 Figure 18 STEVAL...

Страница 39: ...ard 14 Table 7 Push buttons 14 Table 8 Measured case temperatures of the STH315N10F7 power MOSFETs 18 Table 9 STEVAL CTM009V1 evaluation kit bill of materials 25 Table 10 STEVAL CTM004V1 power board bill of materials 25 Table 11 STEVAL CTM005V1 capacitor board bill of materials 27 Table 12 STEVAL CTM006V1 driver board bill of materials 27 Table 13 STEVAL CTM008V1 sensing board bill of materials 31...

Страница 40: ...r the choice selection and use of ST products and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to any intellectual property right is granted by ST herein Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product ST and the ST logo are trademark...

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