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List of figures

Figure 1.

STEVAL-ESC002V1 reference design: top view with bulk capacitors mounted . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2.

STEVAL-ESC002V1 components (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 3.

STEVAL-ESC002V1 components (bottom view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Figure 4.

STEVAL-ESC002V1 PWM input from FCU connection details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 5.

STEVAL-ESC002V1 SWD connection details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 6.

STEVAL-ESC002V1 default behavior: PWM interface flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 7.

STEVAL-ESC002V1 circuit schematic (1 of 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 8.

STEVAL-ESC002V1 circuit schematic (2 of 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 9.

STEVAL-ESC002V1 circuit schematic (3 of 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

UM2518

List of figures

UM2518

Rev 1

page 17/19

Содержание STEVAL-ESC002V1

Страница 1: ...d 3 phase brushless motor controller that embeds an ARM Cortex M0 processor voltage regulators signal conditioning circuitry and gate drivers in a small 7x7 mm2 QFN package Power stage is based on the low resistance 2 8 mΩ and high speed STL140N6F7 MOSFETs designed in STripFET F7 technology and able to deliver up to 20 A of continuous current Figure 1 STEVAL ESC002V1 reference design top view with...

Страница 2: ...e during operation While using the board Do not touch the components Do not cover the board Do not put the board in contact with flammable materials or with materials releasing smoke when heated After operation allow the board to cool down before touching it UM2518 Safety precautions UM2518 Rev 1 page 2 19 ...

Страница 3: ...ng Comparator for overcurrent protection with programmable threshold UVLO protection on each power supply Extended temperature range 40 to 125 C Designed for sensorless six step driving with BEMF sensing through operational amplifiers embedded in the STSPIN32F0A 2S to 6S LiPo battery pack Output current up to 20 ARMS Overcurrent protection Battery voltage sensing UART and I C interfaces RGB LED SW...

Страница 4: ...be mounted Battery negative input Bootloader connector Power output W Power output V Power output U LMV321L TP6 TP7 PA5 and PA7 debug GPIOs To the motor To the motor To the motor To the battery To the battery STSPIN32F0A Figure 3 STEVAL ESC002V1 components bottom view Bypass capacitors STL140N6F7 Power MOSFETs Bulk capacitors to be mounted Shunt resistor overcurrent protection and current sensing ...

Страница 5: ...d 3 SWD_IO PA13 SWD interface data signal J2 1 TX SCL PB6 PB6 GPIO UART interface TX signal I C interface SCL signal 2 RX SDA PB7 PB7 GPIO UART interface RX signal I C interface SDA signal J3 1 TX PA14 UART TX signal when the bootloader is running 2 RX PA15 UART RX signal when the bootloader is running 3 BOOT0 Boot mode enabler force high at power up reset TP1 1 OP3O PF1 BEMF comparator output pha...

Страница 6: ...y the rotation direction Step 3 Solder the FCU PWM output to the board as indicated in Figure 1 positive on TP4 round pad and negative on TP5 square pad Figure 4 STEVAL ESC002V1 PWM input from FCU connection details PWM Step 4 Connect the board to the battery or to a DC power supply as indicated in Figure 1 supply range is from 2S to 6S Step 5 Supply the board Step 6 Program the board through the ...

Страница 7: ...nected to the SWD programmer you can program it in two ways Step 1 Write the binary included in the STSW ESC002V1 firmware package or Step 2 Compile and download the project included in the STSW ESC002V1 firmware package IAR Embedded Workbench for ARM 8 22 UM2518 Programming the board UM2518 Rev 1 page 7 19 ...

Страница 8: ...or driving the board Even if the board is armed the motor is not driven yet 3 When at least BSP_BOARD_IF_TIMx_START_VALID_TON pulses longer than BSP_BOARD_IF_TIMx_MIN_SPEED_TON_US μs are detected the motor is started 4 When more than BSP_BOARD_IF_TIMx_STOP_VALID_TON pulses shorter than BSP_BOARD_IF_TIMx_MIN_SPEED_TON_US μs are detected the motor is stopped 5 When the motor is running the speed is ...

Страница 9: ...rm Count Start NO NO NO Armed Pulse detected Min pulse Stop Count Pulse detected YES 1500 ms timeout expired NO Arm Count 0 YES YES Start Count 10 Stop Count 1000 1500 ms timeout Start Count Start Count 0 Arm Count 10 NO NO NO YES YES YES YES YES The default values for the PWM monitoring code are listed in the following table UM2518 Board PWM flowchart and interface parameters UM2518 Rev 1 page 9 ...

Страница 10: ...n starting the motor 1000 BSP_BOARD_IF_TIMx_MIN_SPEED_TON_US Minimum pulse duration corresponding to minimum speed in μs 1060 BSP_BOARD_IF_TIMx_MAX_SPEED_TON_US Maximum pulse duration corresponding to maximum speed in μs 2084 1 1 The value is calculated according to the following formula BSP_BOARD_IF_TIMx_MIN2MAX_BITS 10 BSP_BOARD_IF_TIMx_MIN_SPEED_TON_US 2BSP_BOARD_IF_TIMx_MIN2MAX_BITS It is not ...

Страница 11: ... HSV PA1 ZCV ZCU PA15 ZCW CURR PWM_IN VBUS 49 680nF PF1 25V PA13 TESTMODE OP1O 21 VBOOTU PA2 PA3 BOOT0 OCCOMP C2 SRN3015 220M 10µF LSV PB7 C4 27 VBOOTW LSW 28 OP3O 47 Figure 8 STEVAL ESC002V1 circuit schematic 2 of 3 CON1 ERJMP3PF1M0U R11 1k 8 PF0 4 LMV321L TP3 1 in 2 LSU 3 PAD 1 10nF R22 3 LSV Q6 8 PAD 1 5 TP1 R9 8 4 U2 Q5 25R STL140N6F7 VDD 1k 2 OUTW VBUS R6 25R 4 2 R16 1k VBUS 7 STL140N6F7 7 3 ...

Страница 12: ... C20 4 7µF SM03B SRSS TB C17 Debug GPIOs Bootloader PWM input SWD CLK C22 TP5 R26 Power supply 4 7µF 1 C18 1 CON4 4 7nF VBUS BOOT0 C21 J2 LD1 VBUS Feedback SWD prog TP7 VBUS VM 220µF 63V C16 PA1 PA5 PB7 PA7 C15 J1 A 1 PA14 PA13 1 2 3 R25 33k SWD IO J3 220µF 63V Alternative order code Panasonic ECA1JM221 WE 2465850 SH3 SS5 28150 SHR 03V S B Connector Pre crimped wire 150 mm Housing 3 poles 1 mm SW ...

Страница 13: ...19 4 7 µF 50 V 15 C0805 X5R Capacitors Any 11 1 C20 4 7 nF 50 V 10 C0603 X7R Capacitor Any 12 2 C21 C22 220 µF 63 V 20 D400p200 padsmt Aluminium capacitors Wurth Electronics 860020775019 Panasonic ECA1JM221 13 1 D1 STPS0560Z SOD 123 Power Schottky rectifier ST STPS0560Z 14 1 J1 SW CON SM03B SRSS TB Jumper JST SM03B SRSS TB 15 1 J2 CON2 CON_2 pitch49_87 38x75 Jumper Any 16 1 J3 CON3 CON_3 pitch49_8...

Страница 14: ...ny 31 1 R24 470 k 1 8 W 1 R0603 Resistor Any 32 1 R25 33 k 1 8 W 1 R0603 Resistor Any 33 1 R26 330 1 10 W 5 R0603 Resistor Any 34 2 R27 R29 39 1 10 W 5 R0603 Resistors Any 35 1 R28 220 1 10 W 5 R0603 Resistor Any 36 5 TP1 TP2 TP3 TP6 TP7 TP SMD diam0_762mm TP D30 Test points Any 37 1 TP4 TP SMD diam1_27mm TP D50 Test point Any 38 1 TP5 TP SMD square1_27mm TP 50x50 Test point Any 39 1 U1 STSPIN32F0...

Страница 15: ...Revision history Table 4 Document revision history Date Version Changes 17 Dec 2018 1 Initial release UM2518 UM2518 Rev 1 page 15 19 ...

Страница 16: ...res and target applications 3 3 Hardware overview 4 4 Setup 6 4 1 Programming the board 6 5 Board PWM flowchart and interface parameters 8 6 Schematic diagrams 11 7 Bill of materials 13 Revision history 15 UM2518 Contents UM2518 Rev 1 page 16 19 ...

Страница 17: ...w 4 Figure 4 STEVAL ESC002V1 PWM input from FCU connection details 6 Figure 5 STEVAL ESC002V1 SWD connection details 7 Figure 6 STEVAL ESC002V1 default behavior PWM interface flowchart 9 Figure 7 STEVAL ESC002V1 circuit schematic 1 of 3 11 Figure 8 STEVAL ESC002V1 circuit schematic 2 of 3 11 Figure 9 STEVAL ESC002V1 circuit schematic 3 of 3 12 UM2518 List of figures UM2518 Rev 1 page 17 19 ...

Страница 18: ... tables Table 1 Test points and connectors 5 Table 2 PWM interface parameters 10 Table 3 STEVAL ESC002V1 bill of materials 13 Table 4 Document revision history 15 UM2518 List of tables UM2518 Rev 1 page 18 19 ...

Страница 19: ...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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