Scheda Tecnica (TMC603-EVAL)SommarioFEATURES1TABLE OF CONTENTS3SYSTEM ARCHITECTURE USING THE TMC6035FIGURE 1: APPLICATION BLOCK DIAGRAM5PINOUT6PACKAGE CODES6FIGURE 2: PINNING / QFN52 PACKAGE (TOP VIEW)6PACKAGE DIMENSIONS QFN527TMC603 FUNCTIONAL BLOCKS8BLOCK DIAGRAM AND PIN DESCRIPTION8FIGURE 3: APPLICATION DIAGRAM8MOSFET DRIVER STAGE10Principle of operation10FIGURE 4: THREE PHASE BLDC DRIVER10FIGURE 5: PRINCIPLE OF HIGH-SIDE DRIVER (PAT.FIL.)10Break-before-make logic11PWM control via microcontroller12FIGURE 6: BRIDGE DRIVER TIMING12Slope control13FIGURE 7: EXAMPLES FOR MICROCONTROLLER PWM CONTROL13FIGURE 8: MOSFET GATE CHARGE AS AVAILABLE IN DEVICE DATA SHEET VS. SWITCHING EVENT13Reverse capacity (QGD) protection14FIGURE 9: QGD PROTECTED DRIVER STAGE14Considerations for QGD protection15Effects of the MOSFET bulk diode16Adding Schottky diodes across the MOSFET bulk diodes16FIGURE 10: EFFECT OF BULK DIODE RECOVERY16Short to GND detection17Error logic17FIGURE 11: PARALLEL SCHOTTKY DIODE AVOIDS CURRENT SPIKES DUE TO BULK DIODE RECOVERY17FIGURE 12: TIMING OF THE SHORT TO GND DETECTOR17FIGURE 13: ERROR LOGIC18CURRENT MEASUREMENT AMPLIFIERS19Current measurement timing19FIGURE 14: SCHEMATIC OF CURRENT MEASUREMENT AMPLIFIERS19Auto zero cycle20Measurement depending on chopper cycle20Compensating for offset voltages20Getting a precise current value20FIGURE 15: TIMING OF THE CURRENT MEASUREMENT20HALLFX SENSORLESS COMMUTATION21Adjusting the hallFX spike suppression time21FIGURE 16: HALLFX BLOCK DIAGRAM AND TIMING21Adjusting the hallFX filter frequency22Block commutation chopper scheme for hallFX22Start-up sequence for the motor with forced commutation23FIGURE 17: HALLFX BASED COMMUTATION23POWER SUPPLY25Switching regulator and charge pump25FIGURE 18: POWER SUPPLY BLOCK25Charge pump27Supply voltage filtering27Reverse polarity protection27Standby with zero power consumption27FIGURE 19: ADDING A REVERSE POLARITY PROTECTION27Low voltage operation down to 9V28FIGURE 20: LOW POWER STANDBY28FIGURE 21: LOW VOLTAGE OPERATION28TEST OUTPUT29ABSOLUTE MAXIMUM RATINGS30ELECTRICAL CHARACTERISTICS30OPERATIONAL RANGE30DC CHARACTERISTICS AND TIMING CHARACTERISTICS31DESIGNING THE APPLICATION38CHOOSING THE BEST FITTING POWER MOSFET38Calculating the MOSFET power dissipation38MOSFET EXAMPLES40DRIVING A DC MOTOR WITH THE TMC60340TABLE OF FIGURES41REVISION HISTORY41DOCUMENTATION REVISION41Dimensioni: 1,56 MBPagine: 41Language: EnglishApri il manuale
Scheda Tecnica (TMC603-EVAL)SommarioFEATURES1CONTENTS3GENERAL DESCRIPTION4Figure 1: The structure of the TMC603 evaluation board4QUICK START5CONNECTING THE MOTOR5CONNECTING THE RS232 INTERFACE AND POWER SUPPLY5Figure 2: Default settings of jumpers for quick start5Figure 3: The TMC603 Evaluation Software5ESTABLISHING THE CONNECTION6SELECTING THE OPERATING MODE6CONFIGURING THE MOTOR PARAMETERS AND SETTINGS6CONFIGURING THE CURRENT AND SPEED CONTROLLER6STARTING THE MOTOR6BRIEF INSTRUCTION6THE HARDWARE8CONNECTORS8Table 1: The connectors of the TMC603 evaluation board8JUMPERS AND TEST PINS9Figure 4: Connectors of the TMC603 evaluation board9Table 2: The jumpers of the TMC603 evaluation board9Table 3: The jumpers of the TMC603 evaluation board (continued)10STATUS SIGNALS11DIMENSIONS11Figure 5: Dimensions of the TMC603 evaluation board11THE PC SOFTWARE12OVERVIEW12Table 4: Several parts of PC software12Table 5: Several parts of PC software (continued)13Table 6: Several parts of PC software (continued)14ESTABLISHING THE CONNECTION156.2.1 Connection via RS232 interface156.2.2 Connection via CAN interface15SELECTING THE OPERATING MODE156.3.1 The operating mode “Block, HallFX, Open Loop”156.3.2 The operating mode “Block, HallFX, Closed Loop”156.3.3 The operating mode “Block, Hall Sensor”15Figure 6: Connection via RS23215Figure 7: Connection via CAN15Figure 8: Configuration options156.3.4 The operating mode “Sine, HallFX, Closed Loop”16CONFIGURING THE PARAMETERS AND SETTINGS166.4.1 Configuration of operating mode “Block, HallFX, Open Loop”16Figure 9: Motor parameters and motor startup parameters (“Block, HallFX, Open Loop”)16Figure 10: Speed control options166.4.2 Configuration of operating mode “Block, HallFX, Closed Loop”176.4.3 Configuration of operating mode “Block, Hall Sensor”17Figure 11: Motor parameters and motor startup parameters (“Block, HallFX, Closed Loop”)17Figure 12: Current control options176.4.4 Configuration of operating mode “Sine, HallFX, Closed Loop”18Figure 13: Motor parameters and motor startup parameters (“Block, Hall Sensor”)18AN EXAMPLE19Figure 16: Parameter settings for hall sensors (Example: QMot QBL4208-41-04-006)20THE FIRMWARE22UPDATING THE FIRMWARE22Figure 17: Connection options22Figure 18: Install operating system22LIST OF FIGURES23LIST OF TABLES23REFERENCES23REVISION HISTORY24DOCUMENTATION REVISION24FIRMWARE REVISION24PC SOFTWARE REVISION24HARDWARE REVISION24Table 7 : Documentation Revisions24Table 8: Firmware Revisions24Table 9: PC Software Revisions24Table 10: Hardware Revisions24Figure 19: Layout detail of TMC603-Eval25Figure 20: Detail of layout shows the solution25Dimensioni: 2,13 MBPagine: 25Language: EnglishApri il manuale
