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Texas Instruments MCT8316AEVM, User Manual

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8.5 MSP430FR2355 MCU

Figure 8-5. MSP430FR2355 MCU Schematic

8.6 MCT8316A 3-Phase Sensorless Trapezoidal Control Integrated Driver

Figure 8-6. MCT8316A 3-Phase Sensorless Trapezoidal Control Integrated Driver Schematic

Schematics

www.ti.com

18

MCT8316AEVM Evaluation Module

SLLU340 – AUGUST 2021

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Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for MCT8316AEVM

Page 1: ...1 6 MCT8316A GUI Application 12 6 1 Running the GUI 12 6 2 Offline Installer 12 7 MSP430FR2355 Interface Firmware 14 7 1 Downloading Code Composer Studio and Importing MSP430FR2355 Interface Firmware Code 14 7 2 Using the eZ FET to Program the MSP430FR2355 14 8 Schematics 16 8 1 Main Supply and Pi Filter 16 8 2 Connectors and Interface 16 8 3 USB to UART 17 8 4 MCU Programming and Debug 17 8 5 MSP...

Page 2: ...e EVM board HOT SURFACE Caution Hot Surface Contact may cause burns Do not touch Please take the proper precautions when operating Cautions and Warnings www ti com 2 MCT8316AEVM Evaluation Module SLLU340 AUGUST 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 3: ...M includes an onboard FTDI chip to convert USB communication from the micro USB connector into UART and an onboard MSP430FR2355 MCU to interface with the MCT8316A It can also provide SPI communication for the SPI variant of the MCT8316A device There are many user selectable jumpers resistors connectors and test points to evaluate many features of the device and configure device specific settings T...

Page 4: ...rom USB power supply 4 Connect the micro USB cable into the computer 5 Turn the potentiometer fully clockwise to set the motor to zero speed upon powerup 6 Flip the switch S1 to the right to configure BRAKE RUN switch S2 to the left to configure DIR ABC and switch S3 to the right to configure DRVOFF ON 7 Turn on the motor power supply 8 Use the potentiometer R4 to control the speed of the motor an...

Page 5: ...o the MCT8316AEVM in order to spin a 3 phase sensorless Brushless DC motor An 4 5 V to 35 V power supply or battery is connected to the VBAT or VM and PGND terminals on connector J7 There is a reverse polarity protection and Pi filter implemented on the VBAT and PGND terminals To bypass the reverse polarity protection and Pi filter connect the power supply to the VM terminal or VM test point on th...

Page 6: ... V power to power the MSP430FR2355 microcontroller The 5 V from the USB power is limited to 500 mA and the 3 3 V from the FTDI chip is limit to 30 mA If the user wishes to supply more current to these rails they may use the 5V_SEL jumper J3 and 3V3_SEL jumper J5 to connect external power rails Hardware and Software Overview www ti com 6 MCT8316AEVM Evaluation Module SLLU340 AUGUST 2021 Submit Docu...

Page 7: ...R2355 microcontroller The user can use the Reset RST button at any time to reset and restart the MCU program Two active low LEDs D6 and D7 can be used for debug purposes as well Finally a shunt jumper bridge on the 32 pin connector J6 ties all signals between the microcontroller and MCT8316A These jumpers can be inserted or removed as needed in order to isolate the microcontroller from the gate dr...

Page 8: ... 4 5 shows the locations of the LEDs Table 4 1 Description of MCT8316AEVM LEDs default in bold after powerup Designator Name Color Description D1 Buck Regulator Green Internal buck regulator is voltage output D2 nFAULT Red Lights up when fault condition has occurred on MCT8316A D3 ALARM Red Lights up when alarm condition has occurred on MCT8316A D4 VM Green Motor power is supplied to the board D5 ...

Page 9: ...ription Layer Position Function L1 L2 R9 Buck Regulator mode User populates L1 L2 or R9 to choose switching component for buck regulator Top L1 47uH Inductor Inductor Mode Bottom L2 22 μH Inductor Mode Bottom R1 22 Ω Resistor Mode J5 3V3_SEL Select 3 3 V for MCU power Top J5 3V3EXT External J5 3V3COM From FTDI 30 mA J3 5V_SEL Select 5 V for FTDI power Top J3 5V_EXT External J3 5V_USB From USB powe...

Page 10: ...DIR_SW DIR BRAKE_SW BRAKE SPEED_IN SPEED MSP_SOMI SCL MCx_SCL MSP_SIMO SDA MCx_SDA MSP_CLK NC MSP_STE NC MSP_A3 DACOUT2 SOX MSP_A2 MCX_DACOUT2 X2 MSP_A1 MCX_DACOUT1 X1 MSP_ALARM ALARM MSP_nFAULT nFAULT MSP_FGOUT FGOUT NC VBK AGND AGND S1 BRAKE Turns on all low side MOSFETs Top Left Brake enabled Right Brake disabled S2 DIR Controls direction of motor Top Left ABC Right ACB S3 DRVOFF Disables gate ...

Page 11: ...rotection and pi filter 2 Apply user configurable jumper settings See Section 4 5 section for more information 3 Launch the GUI in GUI Composer 4 Connect a Micro USB cable to the MCT8316AEVM and computer 5 Turn on the power supply and power up the PCB If using the MCT8316AEVM with an external microcontroller remove all shunt jumpers from jumper bridge J6 Connect with external jumpers to the left s...

Page 12: ... MCT8316A GUI through the TI Cloud Gallery 6 1 Running the GUI The MCT8316A GUI can be run directly inside a web browser supported in Google Chrome and Firefox Figure 6 1 MCT8316A GUI Once the GUI is loaded follow the step by step Guided Tuning section of the GUI to configure the device 6 2 Offline Installer Alternatively the MCT8316A GUI can be downloaded and installed offline using the download ...

Page 13: ...Figure 6 2 MCT8316A GUI Offline Installer www ti com MCT8316A GUI Application SLLU340 AUGUST 2021 Submit Document Feedback MCT8316AEVM Evaluation Module 13 Copyright 2021 Texas Instruments Incorporated ...

Page 14: ...a folder or the default to use as the Workspace to store any new projects The location and naming convention can be changed based on the user s preference Click the OK button to accept 4 In CCS click on the Project tab and select Import CCS Projects Click on Browse 5 Select the MCT8316AEVM_MSP430FR2355_Firmware_GUI folder installed from step 1 6 Import the project MCT8316AEVM_MSP430FR2355_Firmware...

Page 15: ...er Studio disconnect the SPI by Wire jumpers and unplug the micro USB cable from the MSP430 LaunchPad Table 7 1 SPY BI Wire Connections Needed to Program MSP430FR2355 MSP430 LaunchPad eZ FET Debug Probe Side J101 MCT8316AEVM 4 pin SPI by Wire Header J4 GND GND 3V3 3 3V SBWTDIO SBWTDIO SBWTCK SBWTCK Figure 7 2 MSP430 LaunchPad eZ FET Probe Connected to MCT8316AEVM www ti com MSP430FR2355 Interface ...

Page 16: ...Main Supply and Pi Filter Schematic 8 2 Connectors and Interface Figure 8 2 Connectors and Interface Schematic Schematics www ti com 16 MCT8316AEVM Evaluation Module SLLU340 AUGUST 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 17: ...ART Schematic 8 4 MCU Programming and Debug Figure 8 4 MCU Programming and Debug Schematic www ti com Schematics SLLU340 AUGUST 2021 Submit Document Feedback MCT8316AEVM Evaluation Module 17 Copyright 2021 Texas Instruments Incorporated ...

Page 18: ...Sensorless Trapezoidal Control Integrated Driver Figure 8 6 MCT8316A 3 Phase Sensorless Trapezoidal Control Integrated Driver Schematic Schematics www ti com 18 MCT8316AEVM Evaluation Module SLLU340 AUGUST 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 19: ...8 7 Buck Regulator Figure 8 7 Buck Regulator Schematic www ti com Schematics SLLU340 AUGUST 2021 Submit Document Feedback MCT8316AEVM Evaluation Module 19 Copyright 2021 Texas Instruments Incorporated ...

Page 20: ...witches and Speed Input Schematic 9 Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Schematics www ti com 20 MCT8316AEVM Evaluation Module SLLU340 AUGUST 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 21: ...DATE REVISION NOTES Initial Release www ti com Revision History SLLU340 AUGUST 2021 Submit Document Feedback MCT8316AEVM Evaluation Module 21 Copyright 2021 Texas Instruments Incorporated ...

Page 22: ...s are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for and you wi...

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