DM300022 Microchip Technology, DM300022 Datasheet
DM300022
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DM300022 Summary of contents
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... Low Voltage Power Module 2003 Microchip Technology Inc. dsPICDEM MC1L 3-Phase User’s Guide ™ DS70097A ...
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... Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2003, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system ...
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... DC voltage rating). Suitable parts are Wickmann 314 Series or Bussmann ABC series both of which can break 125V DC. © 2003 Microchip Technology Inc. dsPICDEM™ MC1L 3-PHASE LOW VOLTAGE POWER MODULE Safety Notice ...
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... The unit has no switch for interrupting the incoming DC supply. If connected power supply, output switch is the disconnection means and it should therefore be easily accessible to the user battery is used, an external DC contactor of an appropriate rating should be used and the control of the contactor forms the disconnection means. DS70097A-page iv © 2003 Microchip Technology Inc. ...
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... Detailed Description of Operation ................................................................................. 16 1.6 Modifying The Board..................................................................................................... 27 1.7 Test Points .................................................................................................................... 32 1.8 User Signal Connector Pinout (37-Pin, D-Type) ........................................................... 33 Appendix A: Circuit Diagrams .................................................................................................... 35 Appendix B: Source Code.......................................................................................................... 43 Worldwide Sales and Service ..................................................................................... 50 2003 Microchip Technology Inc. dsPICDEM™ MC1L 3-PHASE LOW VOLTAGE POWER MODULE Table of Contents DS70097A-page v ...
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... MC1L 3-Phase Low Voltage Power Module NOTES: DS70097A-page vi © 2003 Microchip Technology Inc. ...
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... Documents are numbered with a “DS” number. The number is located on the bottom of each page, in front of the page number. The numbering convention for the DS Number is: DSXXXXXA, where: XXXXX = A = © 2003 Microchip Technology Inc. dsPICDEM™ MC1L 3-PHASE LOW VOLTAGE POWER MODULE Preface The document number. The revision level of the document. DS70097A-page 1 ...
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... Links to other useful web sites related to Microchip products Engineer's Toolbox • Design Tips • Device Errata Other available information • Latest Microchip Press Releases • Listing of seminars and events • Job Postings DS70097A-page 2 ® ® or Microsoft Internet Explorer. © 2003 Microchip Technology Inc. ...
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... This list is focused on the MPLAB MPLAB IDE Project Manager and general editing and debugging features. Programmers – The latest information on Microchip device programmers. These include the PRO MATE programmer. © 2003 Microchip Technology Inc. ® ICE 4000. ® ICD and MPLAB ICD 2. ...
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... Microchip's development systems software products. Plus, this line provides information on how customers can receive any currently available upgrade kits. The Hotline Numbers are: 1-800-755-2345 for U.S. and most of Canada. 1-480-792-7302 for the rest of the world. DS70097A-page 4 © 2003 Microchip Technology Inc. ...
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... The user should read Section 1.2 “Using The Motor Control 3-Phase Low Power Module” and Section 1.4 “Current and Power Limitations” carefully before using the system. FIGURE 1-1: © 2003 Microchip Technology Inc. dsPICDEM™ MC1L 3-PHASE LOW VOLTAGE POWER MODULE ® ...
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... MC1L 3-Phase Low Voltage Power Module FIGURE 1-2: MC1L 3-PHASE LOW VOLTAGE POWER MODULE BLOCK DIAGRAM DS70097A-page 6 From To Gate Control Drive 1-7 Board To Control Board © 2003 Microchip Technology Inc. ...
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... Note: The user should only access the power terminals when the system is fully discharged. The power connections are shown in Table 1-1 and Figure 1-3: TABLE 1-1: Connection Number FIGURE 1-3: © 2003 Microchip Technology Inc. Set Up and Operation POWER CONNECTIONS Input 1 Ground ...
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... The supplies on the live side of the isolation barrier are derived using an isolating DC-DC converter that is connected to the digital +5V supply input on the 37-pin connector. In this way, the power module may be used at any input voltage up to the maximum. This arrangement is shown in Figure 1-4. DS70097A-page 8 © 2003 Microchip Technology Inc. ...
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... Consult the dsPICDEM™ MC1 Motor Control Development Board (DS70098) documentation for details of signal interfacing and how to connect in-circuit emulators and debugging equipment. © 2003 Microchip Technology Inc. Set Up and Operation POWER ELECTRONICS GATE DRIVE STAGES Power PCB 02-01647 ...
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... A minimum dead time of 2 µs should be used. This applies to both turn on and turn off of both devices. Writing to the appropriate registers in the dsPIC (DTCON1 and DTCON2) sets the dead time. Refer to the dsPIC30F Family Reference Manual (DS70046) for details. DS70097A-page 10 © 2003 Microchip Technology Inc. ...
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... High current applications may use isolated Hall effect current transducers, due to issues of power dissipation in shunt resistors. © 2003 Microchip Technology Inc. Set Up and Operation DS70097A-page 11 ...
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... DS70097A-page 12 ISOLATED SCALING Feedback Signal with 2. with 2. 230 = 58.7V (1LSB = 0.255V) NON-ISOLATED SCALING Feedback Signal 12.0 A/V with 2.5V = 0A* 11.9 A/V with 2.5V = 0A* 5.45 A/V 13.05 V/V 13.05 V/V Scaling Scaling © 2003 Microchip Technology Inc. ...
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... The algorithm should monitor rotor speed and cause a system trip if the rotor speed near zero for greater than an appropriate length of time while the inverter is energized. A stall trip time of 2 seconds is suggested. © 2003 Microchip Technology Inc. Set Up and Operation FAULT PROTECTION Nominal Trip Fault Source 65° ...
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... Heat sink is at 70°C (worst case over temperature trip point) • Thermal resistance of the insulating thermal pad is 4°C/W Note that the maximum output power of the system will always be the lower value due to the DC input stage or the inverter output stage. DS70097A-page 14 © 2003 Microchip Technology Inc. ...
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... The value of the brake chopper resistor should be chosen to ensure no more than 20A can flow, even at the peak DC bus voltage. © 2003 Microchip Technology Inc. Set Up and Operation DS70097A-page 15 ...
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... In this way, both motoring and generating/braking operation can be used in either direction of rotation, commonly called "4 Quadrant" control. DS70097A-page 16 © 2003 Microchip Technology Inc. ...
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... It is assumed that any bootstrap initial priming or any necessary refresh is carried out in software by the dsPIC device. This is discussed in Section 1.2.5 “Modulating The Power Devices”. © 2003 Microchip Technology Inc. Set Up and Operation DS70097A-page 17 ...
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... Note that the full current drive capability of the TC1412N is not necessarily required, as high frequency modulation is not essential for a brake chopper. A less expensive TC1410N or TC1411N could be used. DS70097A-page 18 BOOTSTRAP SUPPLY D28 R51 Bootstrap Supply C17 R38 15V Q4 R4 © 2003 Microchip Technology Inc. ...
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... Figure 1-1). This device is configured to have 2 turns through it as delivered with LK2 installed. This gives a maximum sensed current of 24A and a gain of 12A/ used to provide input over current protection, as well as feedback of the DC input current. © 2003 Microchip Technology Inc. Set Up and Operation DS70097A-page 19 ...
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... R94, R99 and C34 – These provide a small amount of passive differential filtering. This helps to reduce input stage overloading of the op amp that would occur due to spikes of voltage produced by the shunt's self-inductance. Clearly, this has a beneficial effect on the output signal. DS70097A-page 20 © 2003 Microchip Technology Inc. ...
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... It can be seen that for the 000 and 111 conditions (which corresponds to zero output phase voltage), no information is available. This can cause considerable problems if operation at low output voltages is required when using sinusoidal modulation. © 2003 Microchip Technology Inc. Set Up and Operation DC BUS SHUNT RESISTOR FEEDBACK Phase Y Top ...
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... ADC on-board and was low cost. Full advantage could be taken of the on-board 4 MHz RC clock. Three different methods for representing the magnitude of the two signals (only one required for this version of the system) were considered. In all cases, only two optocouplers were required. DS70097A-page 22 © 2003 Microchip Technology Inc. ...
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... This can be especially important for high current low voltage systems with high PWM frequencies and high performance requirements. The second use is for back EMF sensing for sensorless position detection schemes for Brushless Permanent Magnet (BPM) and other types of motors. © 2003 Microchip Technology Inc. Set Up and Operation DS70097A-page 23 ...
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... Note that the ground return is via a transistor (Q15) that allows shutdown during detection of an over-current from one of the isolated Hall effect current transducers. • U32 and U33 – Schmitt-triggered inverters which clean up the edges from the outputs of the optocouplers. DS70097A-page 24 © 2003 Microchip Technology Inc. ...
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... Q15, when Q15 is off, no firing can take place. • D43, D44 and R172 – These form an active low wire OR of the isolated and live fault indications for feedback to the dsPIC device. © 2003 Microchip Technology Inc. Set Up and Operation DS70097A-page 25 ...
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... This ensures excellent thermal coupling. As the tab of the device is not isolated, a thermally conductive insulator is used. • R116 and C42 – These filter the output prevent false tripping due to noise. • Latching and indication is identical to that described in Section 1.5.9.2 “Inverter Shunt Over-current”. DS70097A-page 26 © 2003 Microchip Technology Inc. ...
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... Changing the inverter leg shunt sensing between unipolar and bipolar is accomplished with LK4. LK4 is located directly under the "Danger High Voltage" label on the PCB. Table 1-6 shows the settings: © 2003 Microchip Technology Inc. Set Up and Operation DS70097A-page 27 ...
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... INVERTER LEG SHUNT SCALING SELECTION Links Open Bipolar Unipolar 5.45 5.45 ±10.9 24.5 BUS SHUNT SCALING SELECTION Links Open 5.39 ±10.8 Feedback Range Bipolar Unipolar Links Shorted Bipolar Unipolar 12.0 12.0 ±24.0 54.0 Links Closed 11.9 ±23.9 © 2003 Microchip Technology Inc. ...
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... Ensure the wire has sufficient current and voltage rating. • Apply a thin, even coating of thermally conductive heat sink compound (e.g., Dow-Corning 340) to the back of the resistor. © 2003 Microchip Technology Inc. Set Up and Operation HALL EFFECT CURRENT TRANSDUCER SCALING SELECTION LK1/LK15/LK18 ...
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... The Digital 0V of the control card is permanently connected to the enclosure chassis and is therefore also referenced to ground. • Once the modification is complete, install the lid ensuring all the screws are replaced. DS70097A-page 30 © 2003 Microchip Technology Inc. ...
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... No guarantee or liability can be accepted for any modifications that the user makes to the system. If the user removes the PCB from the enclosure chassis, they should ensure that the power device clamping force and the insulation is unaltered when the PCB is re-installed. © 2003 Microchip Technology Inc. Set Up and Operation DS70097A-page 31 ...
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... TP 18 ISOLATED High reference used for FAULT trips TP 19 ISOLATED Low reference used for FAULT trips TP 20 LIVE Star Reference Point for Low Voltage PSUs DS70097A-page 32 Signal Function © 2003 Microchip Technology Inc. Net Name PFC_FIRE FIRE_R_TOP FIRE_R_BOT FIRE_Y_TOP FIRE_Y_BOT FIRE_B_TOP ...
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... Red Phase Bottom Switch Firing Command 32 Active Low Serial Data 33 Fault Reset Command 34 Not Used 35 Red Phase Hall Current Sensor Feedback 36 Digital GND from control PCB 37 Digital +5V from control PCB (±2%) © 2003 Microchip Technology Inc. Set Up and Operation Net Name Input/Output — — Y_SHUNT ...
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... MC1L 3-Phase Low Voltage Power Module NOTES: DS70097A-page 34 © 2003 Microchip Technology Inc. ...
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... Appendix A. Circuit Diagrams A.1 CIRCUIT DIAGRAMS © 2003 Microchip Technology Inc. dsPICDEM™ MC1L 3-PHASE LOW VOLTAGE POWER MODULE DS70097A-page 35 ...
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... MC1L 3-Phase Low Voltage Power Module DS70097A-page 36 © 2003 Microchip Technology Inc. ...
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... Microchip Technology Inc. Appendix DS70097A-page 37 ...
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... MC1L 3-Phase Low Voltage Power Module DS70097A-page 38 © 2003 Microchip Technology Inc. ...
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... Microchip Technology Inc. Appendix DS70097A-page 39 ...
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... MC1L 3-Phase Low Voltage Power Module DS70097A-page 40 © 2003 Microchip Technology Inc. ...
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... Microchip Technology Inc. Appendix DS70097A-page 41 ...
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... MC1L 3-Phase Low Voltage Power Module DS70097A-page 42 © 2003 Microchip Technology Inc. ...
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... The power module PCB supports the components for an active power factor correction circuit. These components are not installed on the low voltage version of the power module. © 2003 Microchip Technology Inc. dsPICDEM™ MC1L 3-PHASE LOW VOLTAGE POWER MODULE DATA TRANSMISSION CYCLE ...
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... GPIO ;Clear GPIO STATUS,5 ;select bank1 ;GP5, GP4 outputs ;also in bank 1 ;AD0,AD1 and AD2 are analog channels ;with VDD and VSS references 0x03ff ;factory programmed data to trim ;internal oscillator STATUS ;select bank0 FOR REST OF CODE © 2003 Microchip Technology Inc. ...
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... BYTE_TO_SEND,5 bsf bcf bcf bsf btfsc BYTE_TO_SEND,4 bsf bcf © 2003 Microchip Technology Inc. ;before starting SPI transmission, ;aquire &convert ADC ch0, BUS_SENSE ;set:Fosc/8, A/D enable, ch0 select ;begin sampling ch0 ;wait for approx 20us aquisition time STARTUP_TIMER,F delay ADCON0,GO ...
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... GPIO,SCK GPIO,SDO ;send bit 1 GPIO,SCK GPIO,SDO GPIO,SCK GPIO,SDO ;send bit 0 GPIO,SCK GPIO,SDO GPIO,SCK finish_conversion ADRES,W GPIO,SDO ;send bit 7 GPIO,SCK GPIO,SDO GPIO,SCK ;Fosc/8, A/D enabled channel 0 selected ;begin sampling ch0 BUS_SENSE GPIO,SDO ;send bit 6 GPIO,SCK GPIO,SDO GPIO,SCK © 2003 Microchip Technology Inc. ...
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... ADC is still converting Channel 0, send control word 0xF9 bsf bsf bcf nop bsf bcf nop bsf bcf nop © 2003 Microchip Technology Inc. GPIO,SDO ;send bit 5 GPIO,SCK GPIO,SDO GPIO,SCK GPIO,SDO ;send bit 4 GPIO,SCK GPIO,SDO GPIO,SCK GPIO,SDO ;send bit 3 ...
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... BYTE_TO_SEND goto end DS70097A-page 48 GPIO,SCK ;send bit4 GPIO,SCK GPIO,SCK ;send bit3 GPIO,SCK GPIO,SCK ;send bit2 GPIO,SDO GPIO,SCK GPIO,SCK ;send bit1 GPIO,SCK GPIO,SCK ;send bit0 GPIO,SDO GPIO,SCK ADRES,W Main ;Do it again © 2003 Microchip Technology Inc. ...
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... NOTES: © 2003 Microchip Technology Inc. Appendix DS70097A-page 49 ...
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... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Microchip Technology (Barbados) Inc., Taiwan Branch 11F-3, No ...