Texas Instruments MCT8316ZTEVM Скачать руководство пользователя

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7.7 3.3V Buck Regulator

Figure 7-7. 3.3V Buck Regulator Schematic

7.8 Status LEDs

Figure 7-8. Status LED Schematics

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Schematics

SNLU291B – MARCH 2021 – REVISED AUGUST 2022

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MCT8316ZTEVM Evaluation Module

Содержание MCT8316ZTEVM

Страница 1: ... 7 MCT8316Z0R Compatibility 13 5 Hardware Setup 15 6 Firmware and GUI Application 16 6 1 Downloading Code Composer Studio and Importing GUI Code 16 6 2 Using the eZ FET to Program the MSP430FR2355 17 6 3 Importing GUI into GUI Composer 18 6 4 MCT8316ZTEVM GUI 19 7 Schematics 20 7 1 Main Supply and Pi Filter 20 7 2 Connectors and Interface 20 7 3 USB to UART 21 7 4 MCU Programming and Debug 21 7 5 ...

Страница 2: ... 23 Figure 7 8 Status LED Schematics 23 Figure 7 9 Hardware Variant Settings Schematic 24 Figure 7 10 Switches and PWM Inputs Schematic 24 List of Tables Table 2 1 MCT8316Z variants 4 Table 4 1 Description of MCT8316ZTEVM LEDs default in bold after powerup 9 Table 4 2 Description of User Selectable Settings on MCT8316ZTEVM Default in Bold 10 Table 4 3 User Adjustable Resistor Divider Settings for ...

Страница 3: ...er s Guide before use HOT SURFACE Caution Hot Surface Contact may cause burns Do not touch Please take the proper precautions when operating www ti com Cautions and Warnings SNLU291B MARCH 2021 REVISED AUGUST 2022 Submit Document Feedback MCT8316ZTEVM Evaluation Module 3 Copyright 2022 Texas Instruments Incorporated ...

Страница 4: ...n from the micro USB connector into UART An onboard MSP430FR2355 MCU translates the UART communication and onboard potentiometer into control signals and a variable duty cycle for the PWM input of the MCT8316Z It can also provide SPI communication for the SPI variant of the MCT8316Z device There are many user selectable jumpers resistors connectors and test points to evaluate the features of the d...

Страница 5: ...yet Connect the motor supply to VBAT or VM and PGND on connector J7 a To enable reverse polarity protection and Pi filter connect to VBAT Note that when connecting to VBAT VM will be VM 0 7 V less due to a diode drop in the reverse polarity protection circuit b To disable reverse polarity protection and the Pi filter connect to VM 5 Select J3 to 5V_USB and J5 to 3V3COM to power MSP430 from USB pow...

Страница 6: ...onnected to the supply voltage VBAT or motor voltage VM and PGND terminals on connector J7 There is a reverse polarity protection and Pi filter implemented on the VBAT and PGND terminals resulting in a 0 7 V diode voltage supply drop to VM To bypass the reverse polarity protection and Pi filter connect the power supply directly to the VM terminal or VM test point on the board and PGND The three ph...

Страница 7: ...dule and GUI The USB data and 5 V power from the USB is converted into UART data and 3 3 V power to power the MSP430FR2355 microcontroller The 5 V from the USB power is limited to 500 mA by the PC 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 www ti ...

Страница 8: ...nected to the four pin connector J4 Many MSP430 LaunchPads provide an onboard eZ FET Debug Probe to flash the program into the microcontroller and support debug using a 2 pin Spy by Wire SBW The user can use the Reset RST button at any time to restart the MCU program Two active low LEDs D5 and D6 can be used for debug purposes as well Finally a shunt jumper bridge on 18 pin connector J6 ties all s...

Страница 9: ...d and Figure 4 5 shows the locations of the LEDs Table 4 1 Description of MCT8316ZTEVM LEDs default in bold after powerup Designator Name Color Description D1 3 3 V Green Internal buck regulator is outputting 3 3 V D2 nFAULT Red Lights up when fault condition has occurred on MCT8316Z D3 VM Green Motor power is supplied to the board D5 MSP_LED0 Red Used for UART or debugging D6 MSP_LED1 Red Used fo...

Страница 10: ...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 power 500 mA J1 PWM_SEL Selects PWM source Top J1 PWM_EXT External PWM J1 PWM_MSP PWM from MSP430 J12 HALL_PWR_SEL Selects Hall power source Top J12 HALL_EXT External Hall power J12 3 3 V Hall...

Страница 11: ...rted Top FGOUT MSP_FGOUT PWM MSP_PWM STE MSP_STE SCK MSP_SCK SIMO MSP_SIMO SOMI MSP_SOMI nFAULT MSP_nFAULT nSLEEP MSP_nSLEEP 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 Clockwise Right Counterclockwise S3 DRVOFF Disables gate drivers Top Left MCT8316Z enabled Right MCT8316Z disabled R10 and R11 ILIM Resist...

Страница 12: ...ulated with the desired settings R19 R22 and R26 R29 This setup is shown in Figure 4 6 Figure 4 6 Resistor Divider Settings for MCT8316ZT Hardware Variant Table 4 3 shows the user adjustable resistor divider settings when using the MCT8316ZT R19 R22 resistors connect to AVDD and R26 R29 resistors connect to AGND The defaults of the two tables are in bold Hardware and Software Overview www ti com 1...

Страница 13: ...te switching low to high 10 90 and high to low 90 10 R19 and R26 R26 0 Ω 25 V μs R19 R26 DNP 50 V μs R19 47 kΩ 125 V μs R19 0 Ω 200 V μs ADV Advance Advances the lead angle by a selectable value in electrical degrees R20 and R27 R27 0 Ω 0 R27 22 kΩ 4 R27 100 kΩ 11 R20 R27 DNP 15 R20 100 kΩ 20 R20 22 kΩ 25 R20 0 Ω 30 4 7 MCT8316Z0R Compatibility The MCT8316ZTEVM is also compatible with the MCT8316Z...

Страница 14: ...istors status MCT8316Z0T Hardware DNP Populated User Adjustable MCT8316Z0R SPI Populated DNP DNP Figure 4 7 Resistors for MCT8316Z0R SPI variant Hardware and Software Overview www ti com 14 MCT8316ZTEVM Evaluation Module SNLU291B MARCH 2021 REVISED AUGUST 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 15: ...pply user configurable jumper settings See the User Configurable Settings section for more information 4 Flash the program into the MCU as described in Section 6 Launch the GUI in GUI Composer and disconnect the 4 pin JTAG connections 5 Connect a micro USB cable to the MCT8316ZTEVM and computer 6 Turn on the power supply and power up the PCB If using the MCT8316ZTEVM with an external microcontroll...

Страница 16: ... the following steps to download the code for the MCT8316ZTEVM to use with the GUI 6 1 Downloading Code Composer Studio and Importing GUI Code 1 Extract the MCT8316ZTEVM_MSP430FR2355_Firmware_GUI zip to a location on the computer 2 Download the latest version of Code Composer Studio This will set up a ti folder in the directory C ti a Accept all agreements default install locations and select Next...

Страница 17: ...e to the MSP430 LaunchPad and the PC 4 Click on the Build Project icon or Ctrl B to ensure the project builds successfully Accept any updates if needed from the Console 5 Click on Debug Project to set up a debug session and press the Play button to run the code 6 Stop the debug session close Code Composer Studio disconnect the SPI by Wire jumpers and unplug the micro USB cable from the MSP430 Laun...

Страница 18: ...ction 5 2 Access the MCT8316ZEVM GUI through the Gallery 3 Once the project is loaded click on the Play button to launch the MCT8316ZTEVM GUI as shown in Figure 6 3 Firmware and GUI Application www ti com 18 MCT8316ZTEVM Evaluation Module SNLU291B MARCH 2021 REVISED AUGUST 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 19: ... motor poles are used to calculate and update the Motor Speed RPM box The speed is calculated by the Motor Speed Calculation from FGOUT and Pole Pairs formula below Note that the FGOUT frequency is multiplied by 3 to achieve the frequency of one electrical cycle in Hz Motor Speed RPM 60 FGOUT 3 Motor Pole Pairs 1 Status LEDs and nSLEEP Control The statuses of the programmable MCU LEDs are shown by...

Страница 20: ...i Filter Figure 7 1 Main Supply and Pi Filter Schematic 7 2 Connectors and Interface Figure 7 2 Connectors and Interface Schematic Schematics www ti com 20 MCT8316ZTEVM Evaluation Module SNLU291B MARCH 2021 REVISED AUGUST 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 21: ...tic 7 4 MCU Programming and Debug Figure 7 4 MCU Programming and Debug Schematic www ti com Schematics SNLU291B MARCH 2021 REVISED AUGUST 2022 Submit Document Feedback MCT8316ZTEVM Evaluation Module 21 Copyright 2022 Texas Instruments Incorporated ...

Страница 22: ...Sensored Trapezoidal Integrated Driver Figure 7 6 MCT8316ZT 3 Phase Sensored Trapezoidal Integrated Driver Schematic Schematics www ti com 22 MCT8316ZTEVM Evaluation Module SNLU291B MARCH 2021 REVISED AUGUST 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 23: ... Buck Regulator Schematic 7 8 Status LEDs Figure 7 8 Status LED Schematics www ti com Schematics SNLU291B MARCH 2021 REVISED AUGUST 2022 Submit Document Feedback MCT8316ZTEVM Evaluation Module 23 Copyright 2022 Texas Instruments Incorporated ...

Страница 24: ...ersion Changes from Revision A June 2021 to Revision B August 2022 Page Updated Cautions and Warnings section 3 Added section MCT8316Z0R Compability 13 Updated equation 19 Changes from Revision March 2021 to Revision A June 2021 Page Added Cautions and Warnings section 3 Updated equation 19 Schematics www ti com 24 MCT8316ZTEVM Evaluation Module SNLU291B MARCH 2021 REVISED AUGUST 2022 Submit Docum...

Страница 25: ...o 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 will fully indemn...

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