Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board
Contents
1. J5 UART TSI IRDA selection 1 2 UART1 TXD signal is connected to primary elevator A44 2 3 UART1 TXD signal is connected to U1 ICL3232 pin11 4 5 UART1 RXD signal is connected to primary elevator A43 5 6 UART1 TXD signal is connected to U1 ICL3232 pin12 7 8 PTBO KBIOP4 RXDO ADP4 TSI2 pin is connected to pin3 of J8 8 9 PTBO KBIOP4 RXDO ADP4 TSI2 pin is connected to IRDA RX 10 11 PTB1 KBIOP5 TXDO ADP5 TSIS pin is connected to pind of J8 11 12 PTB1 KBIOP5 TXDO ADP5 TSIS pin is connected to IRDA TX 13 14 Open 14 15 IRDA RX is connected to PTA1 KBIOP1 FTMOCH1 ACMP1 ADP1 pin J7 PTAO KBIPO FTMOCHO ACMPO 12 Potentiometer is connected to PTAO KBIOPO ADPO Pin selection FTMOCHO ACMPO ADPO pin open J9 1 2 Slave Address SAO 1 0011101 0x1D 2 3 Slave Address SAO 0 0011100 0x1C J12 1 2 KBIP4 pin PT60 pin44 is connected to U2 MMA8451Q pin11 J13 OSBDM Boot loader mode or 1 2 OSBDM IC in boot loader mode For OSBDM debugger mode selection firmware reprogramming open OSBDM IC in debugger mode J15 KBIP4 Pin selection 1 2 KBIP4 pin PT60 pin44 is connected to U2 MMA8451Q pin11 J20 FTM2CH0 or TSI6 function 12 PTCO FTM2CHO ADP8 TSI6 pin is connected to selection pin9 of J8 2 3 PTCO FTM2CHO ADP8 TSI6 pin is connected to pin14 of J11 J21 FTM2CH1or TSI7 function selection 12 PTC1 FTM2CH1 ADP9 TSI7 pin is connected to pin10 of J8 2 3 PTC1 FTM2CH1 ADP9 TSI7 pin is connected to pin15 of J112. Freescale Semiconductor User Guide Document Number SO8PT60UG Rev 0 02 2013 Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board User Guide 1 Overview This user guide describes the basic steps for getting started with the sensorless BLDC motor control based on MC9S08PT60 Tower Board demo The basic board function is described in this document The whole system is composed of TWR SO8PT60 and TWR MC LV3PH 3 phase low voltage motor control board TWR S08PT60 is a low cost evaluation demonstration and development board that features the 8 bit MC9SO8PT60 microcontroller The MC9SO8P series are members of the low cost high performance S08 family of 8 bit microcontroller units MCUs The MC9S08PT60 has up to 60 KB flash memory 256 byte EEPROM 4 KB RAM and has a large set of peripherals including timers 3FTMs 2 MTIMs 3 SCIs UARTs 2 SPIs DC ADC ACMP KBI TSI and others The following figure presents the block diagram of MC9S08PT60 Tower board O 2013 Freescale Semiconductor Inc Contents ON W aaaeaii aaeean naires niacin Dono GES E Hardware E el LEE An SLL System POWER ernro PACS FSGS AAA ALS POE ia ala e a A 32 TWRE MC LVSP A sonic 32 1 Back EMP slanals cornisas 3 2 2 DC_Bus voltage signals 32 3 DC Bus current signals 3 24 Jumper tables siss PP ebe Reference docena s ccsccicsncicscterascesderacnuccucsuanueces A d A K freesca
3. Rev 0 02 2013 4 Freescale Semiconductor Inc Hardware feature 3 Hardware feature 3 1 TWR S08PT60 3 1 1 System power The TWR SO8PT60 can be powered by the OSBDM circuit Mini B USB connector when running in standalone mode When assembled with the Tower System the TWR S08PT60 is powered by the Tower System Elevators The mini B USB connector is no longer used as a power source and is only used for OSBDM debugging purposes When working in standalone mode short pins 2 and 3 on J25 and J26 jumper blocks as the default setting When working with the Tower System short pins 1 and 2 on both J25 and J26 jumper blocks as shown in the following figure VDD_3P3 VDD_5 VDD_5V_ELEV PSY_TRG_USB VDD_3V3_ELEV C14 0 1 UF J26 Figure 5 Power supply selection for standalone or Tower Elevator The PT60 can be powered by 5 V or 3 3 V power supply which is configurable via jumper J27 To use 5 V power supply short pins and 2 and to use 3 3 V power supply short pins 2 and 3 See the following figure VDD_PULL VDD_5 VDD_3P3 Figure 6 Power supply selection for 5 V or 3 3 V Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board Rev 0 02 2013 Freescale Semiconductor Inc 5 AAA gt TWR S08PT60 In this application VDD_3V3_ELEV is selected as power supply according to TWR MC LV3PH s configuration So short pins 1 and pin 2 of J26 and short pins 2 and 3 of J27 3 1 2 Push buttons There are two
4. Driver amp MOSFET Encoder Brake Power HS Input Resistor Input Figure 2 TWR MC LV3PH block diagram Secondary Elevator Connection Demo boards The following figures depict the TWR SO8PT60 and TWR MC LV3PH demo boards labelled with the different components Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board Rev 0 02 2013 Freescale Semiconductor Inc Demo boards WA ee Primary TA User Switch conncector Dn E Cat Motor Control EK Si gt ane E 8 h 4 Daughter Card y A x Socket Ep AN i ce mn HALA D AT 2 4 E MC9S08PT60 Reset Switch MAD EC HE E A SEL OSBDM Module D wel q ae Se TT USB Connector sos AHH Bi AA a Be BFW v30 7 T Y d d H mun j conncector 4 E E 1D Ll MMM T ait Figure 3 TWR S08PT60 demo board MOSFET H Bridge itl IT 4 o DC BUS current sample resistor DC BUS half ME IM O A e voltage sensing Power supply header connector s DA _ E A acm gr pr a a a EE Phase current e Y SE e gem EC S sample resistor Ee y Iz z Encoder hall sensor connector DC BUS curent sensing header Aa eeeeeeesesesegsgest HIT en Brake resistor connector LEE BEMF phase P EC e current sensing P IS AI ee A RAT header F Figure 4 TWR MC LV3PH demo board Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board
5. For further information see http www freescale com or contact your Freescale sales representative For information on Freescale s Environmental Products program go to http www freescale com epp Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc All other product or service names are the property of their respective owners O 2013 Freescale Semiconductor Inc te freescale K
6. MC9S08PT60 Tower Board Rev 0 02 2013 8 Freescale Semiconductor Inc AAA TWR MC LV3PH 5V DC Bus 2 18 15V gt gt V_SENSE_DCB_HALF R79 1 50K DC BUS Voltage sensing Figure 9 DC_Bus voltage detect circuit Figure 9 is DC_Bus voltage detect circuit In this demo short pins 2 and 3 of the jumper J14 otherwise sample value is phase A current value instead of V_SENSE_DCB_HALF 3 2 3 DC Bus current signals 1 DCB_N A R71 220 R73 7 5K _SENSE_DCB1 gt gt SENSE_DCB _SENSE_DCB2 gt R75 220 _DCB_OUT_DRV gt 0 placed by defaulf 1V65_REF Phase current sensing DC Bus Current sensing Figure 10 DC_Bus current detect circuit Figure 10 is DC_Bus current detect circuit Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board Rev 0 02 2013 Freescale Semiconductor Inc 9 Conclusions In this demo short pins 2 and 3 of the jumper J13 otherwise sample value is phase C current value instead of I_SENSE_DCB 3 2 4 Jumper tables Table 2 TWR MC LV3PH jumper settings J2 VDDA Source Select 1 2 Internal on board source of analog 3 3 V 2 3 Elevator source of analog 3 3 J3 VSSA Source Select 1 2 Internal on board source of analog GND 2 3 Elevator source of analog GND J10 AN2 Signal Select 1 2 Phase C current signal 2 3 Back EMF phase C J11 AN1 Signal Select 1 2 Phase B current signal 2 3 Back EMF phase B J12 ANO Signal Select 1 2
7. Phase A current signal 2 3 Back EMF phase A J13 AN6 Signal Select 1 2 Phase C current signal 2 3 DC Bus Current J14 AN56 Signal Select 1 2 Phase A current signal 2 3 DC Bus Half Voltage In addition to the above mentioned other jumpers configuration is default For more information see TWR MC LV3PH User s Manual available on freescale com 4 Conclusions This document described the basic steps for getting started with the sensorless BLDCM control based on MC9SO8PT60 tower board and its demo suitcase 5 Reference documents For the latest revision of all the Tower documents listed below visit freescale com e TWR SO8PT60 Design Package e TWRSO8PT60QSG TWR S08PT60 Quick Start Guide e TWR S08PT60 LABS TWR SO8PT60 Labs e TWRSO8PT60UM TWR SO8PT60 User Manual e MC9SO8PT60RM MC9SO08PT60 Reference Manual MC9S08PT60 MC9SO8PT60 Series Data Sheet e TWRMCLV3PHUG TWR MC LV3PH User s Guide e TWR MC LV3PH Design Package Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board Rev 0 02 2013 10 Freescale Semiconductor Inc How to Reach Us Home Page www freescale com Web Support http www freescale com support USA Europe or Locations Not Listed Freescale Semiconductor Technical Information Center EL516 2100 East Elliot Road Tempe Arizona 85284 1 800 521 6274 or 1 480 768 2130 www freescale com support Europe Middle East and Africa Freescale Halbleiter Deutschland GmbH Techni
8. general purpose buttons which can be used to evaluate keyboard interrupts and general switch inputs SW2 and SW3 SW2 is connected to KBIPS pin of PT60 and SW3 to KBIP4 pin of PT60 In addition there is a reset button SW4 used to reset PT60 and a force BDM button SW1 used to manually force PT60 into BDM upon power up or reset In this application SW2 is used to increase speed 3 1 3 Potentiometer VDDA lt ADPO_ACMFX Figure 7 TWR SO8PT60 potentiometer to ADC input A potentiometer is connected to the ADC input channel ADPO through a jumper J7 as shown in Figure 7 In this application the jumper J7 must be open because DC_Bus current sample AD channel is conflicting with it 3 1 4 Jumper tables The following table shows the jumper settings of TWR SO8PT60 demo board Table 1 TWR SO8PT60 jumper settings Ji UART2 selection 1 2 Connect RXD2 to OSBDM UART RX J2 UART2 selection 1 2 Connect TXD2 to OSBDM UART TX J3 ACMP1 Selection 1 2 ACMP1 is connected to Touch pad TWRPI pin18 of J8 2 3 ACMP 1 is optionally connected to motor control TWRPI pin15 of J10 J4 UART transceiver loop 1 2 U1 ICL3232 pin 9 and pin 10 are shorted Table continues on the next page Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board Rev 0 02 2013 6 Freescale Semiconductor Inc EEE TWR S08PT60 Table 1 TWR S08PT60 jumper settings continued
9. J22 ADP 15 Pin selection 1 2 ADP15 pin is connected to pin 7 of J8 2 3 ADP15 pin is connected to pin 17 of J8 J25 VDD_5 selection 1 2 Elevator 5 V is connected to VDD_5V 2 3 USB 5 V is connected to VDD_5V Table continues on the next page Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board Rev 0 02 2013 Freescale Semiconductor Inc 7 AAA TWR MC LV3PH Table 1 TWR S08PT60 jumper settings continued J26 VDD_3P3 selection 1 2 Elevator 3 3 V is connected to VDD_3P3 23 LDOU4 output voltage 3 3 V is connected to VDD_3P3 J27 VDD_PULL selection 1 2 VDD_PULL is connected to 5 V 2 3 VDD_PULL is connected to 3 3 V J28 Reset signal for MC9SO8PT60 1 2 Reset signal is connected to RESET pin J29 MC9S08PT60 Power Supply 1 2 VDD is connected to VDD_PULL In addition to the above mentioned other jumper s configuration is default For more information see TWRSO8PT60UM TWR SO8PT60 User Manual available on freescale com 3 2 TWR MC LV3PH 3 2 1 Back EMF signals PHASE_A gt R47 30 0K TU Phase_A gt gt BEMF_SENSE_A R48 3 0K Figure 8 BEMF detect circuit for Phase A Figure 8 is back EMF detect circuit of phase A phase B and phase C are the same In this demo short pins 2 and 3 of the jumpers J11 J12 and J13 otherwise sample value is phase current value instead of BEMF value 3 2 2 DC_Bus voltage signals Sensorless BLDC Motor Control Based on
10. ale Semiconductor data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts Freescale Semiconductor does not convey any license under its patent rights nor the rights of others Freescale Semiconductor products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which failure of the Freescale Semiconductor product could create a situation where personal injury or death may occur Should Buyer purchase or use Freescale Semiconductor products for any such unintended or unauthorized application Buyer shall indemnify Freescale Semiconductor and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claims alleges that Freescale Semiconductor was negligent regarding the design or manufacture of the part RoHS compliant and or Pb free versions of Freescale products have the functionality and electrical characteristics as their non RoHS complaint and or non Pb free counterparts
11. cal Information Center Schatzbogen 7 81829 Muenchen Germany 44 1296 380 456 English 46 8 52200080 English 49 89 92103 559 German 33 1 69 35 48 48 French www freescale com support Japan Freescale Semiconductor Japan Ltd Headquarters ARCO Tower 15F 1 8 1 Shimo Meguro Meguro ku Tokyo 153 0064 Japan 0120 191014 or 81 3 5437 9125 support japan Ofreescale com Asia Pacific Freescale Semiconductor China Ltd Exchange Building 23F No 118 Jianguo Road Chaoyang District Beijing 100022 China 86 10 5879 8000 support asia freescale com Document Number SOBPT60UG Rev 0 02 2013 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductors products There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document Freescale Semiconductor reserves the right to make changes without further notice to any products herein Freescale Semiconductor makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does Freescale Semiconductor assume any liability arising out of the application or use of any product or circuit and specifically disclaims any liability including without limitation consequential or incidental damages Typical parameters that may be provided in Freesc
12. le x6 so Overview Tower Elevator Expansion Connectors FTIMER SCI SPI IIC ADC KBI ACMP GPIO 8 MHz XTAL USB Mini AB GPIO Interrupts TSI GPIO 2 5Pin Tower Plugin j Tower Plug in TWRPI UART interface TWRPI Touch Sensor Sensor Socket A Freescale Silicon MN External Connectors Interface Circuits MN Power Figure 1 TWR SO8PT60 block diagram The 3 phase Low Voltage Motor Control Board TWR MC LV3PH is a peripheral Tower System module Figure 2 presents the block diagram of TWR MC LV3PH Following are the features of the TWR LV3PH e Power supply voltage input 12 24 V DC extended up to 50 V e Output current up to 8 A e Power supply reverse polarity protection circuitry e 3 phase bridge inverter 6 MOSFETs e 3 phase MOSFET gate driver with over current and under voltage protection e 3 phase and DC bus current sensing shunts DC bus voltage sensing e 3 phase back EMF voltage sensing circuitry e Encode hall sensor sensing circuitry e Motor power and signal connectors User LED power on LED and 6 PWM LED diodes Sensorless BLDC Motor Control Based on MC9S08PT60 Tower Board Rev 0 02 2013 2 Freescale Semiconductor Inc Primary Elevator Connection 2 Demo boards PWM LEDs Motor User LED Connector Motor Phases 3 Phase MOSFET H Bridge ADC Signal Conditioning Signals Phase O GEMES Power Supplies 5V 3 3V Analog Power Supply 3 3V Brake Control
Download Pdf Manuals
Related Search