TMC260_TMC261_TMC262_步进电机驱动芯片手册.pdf

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官网PDF 芯片介绍的很详细, 想用这款芯片的可以看一下
11 DIAGNOSTICS AND PROTECTION 11.1 SHORT TO GND DETECTION 11.2 OPEN LOAD DETECTION 11.3 TEMPERATURE MEASUREMENT 11.4 UNDERVOLTAGE DETECTION 12 STALLGUARD2TM SENSORLESS LOAD MEASUREMENT 12.1 TUNING THE STALLGUARD2TM THRESHOLD SGT 12.1.1 Variable velocity operation 12.1.2 Small motors with high torque ripple and resonance 12.1.3 Temperature dependence of motor coil resistance 12.1.4 Accuracy and reproducibility of stallGuardz m measurement 12.2 STALLGUARD2TM MEASUREMENT FREQUENCY AND FILTERING 12.3 DETECTING A MOTOR STALL 12.4 LIMITS OF STALL GUARD2TM OPERATION 3 COOLSTEPTM SMART ENERGY OPERATION 13.1 COOLSTEPTM SMART ENERGY CURRENT REGULATOR 13.1.1 Adaptation to the load situation 13.1.2 Low velocity and standby operation 13.2 USER BENEFITS SAVE ENERGY, REDUCE POWER AND COOLING INFRASTRUCTURE 14 CLOCK OSCILLATOR AND CLOCK INPUT 14.1 CONSIDERATIONS ON THE FREQUENCY 15 ABSOLUTE MAXIMUM RATINGS 16 ELECTRICAL CHARACTERISTICS 16,1 OPERATIONAL RANGE 16.2 DC CHARACTERISTICS AND TIMING CHARACTERISTICS 16.3 THERMAL CHARACTERISTICS (TMC260, TMC261) 164 ESD SENSITIVE DEVICE 65 MOSFET EXAMPLES 17 USING AN EXTERNAL POWER STAGE FOR HIGHER VOLTAGE AND CURRENT 18 GETTING STARTED 18.1 INITIALIZATION OF THE DRIVER 18.2 SENDING SPI DATA FROM A CPU 19 TABLE OF FIGURES 20 REVISION HISTORY 20.1 DOCUMENTATION REVISION TA: All trademarks used are property of their respective owners The TMC262 family integrates a high resolution load measurement stallGuard2 TM, which allows like sensorless homing. Its coolStep TM feature uses load measurement information to reduce the 凵凵凵匚凵凵 H上HHH []0飞 SEA ING PLANE 卩|N1 CORNE- TOP VIEW (A3) eeeCAB PIN 1,D EXPOSED 点TTAC 争由d⑤囵A BOTTOM VIEW ) 心 } TM output. Signals motor stall(high active)

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