TMC5062-LA 데이터 시트보기 (PDF) - Unspecified
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TMC5062-LA Datasheet PDF : 92 Pages
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TMC5062 DATASHEET (Rev. 1.10 / 2016-APR-28)
3
TABLE OF CONTENTS
1 PRINCIPLES OF OPERATION
5
1.1 KEY CONCEPTS
5
1.2 CONTROL INTERFACES
6
1.3 SOFTWARE
6
1.4 MOVING AND CONTROLLING THE MOTOR
7
1.5 PRECISION DRIVER WITH PROGRAMMABLE
MICROSTEPPING WAVE
7
1.6 STALLGUARD2 – MECHANICAL LOAD SENSING 7
1.7 COOLSTEP – LOAD ADAPTIVE CURRENT CONTROL 7
1.8 DCSTEP – LOAD DEPENDENT SPEED CONTROL 8
1.9 ENCODER INTERFACES
8
2 PIN ASSIGNMENTS
9
2.1 PACKAGE OUTLINE
9
2.2 SIGNAL DESCRIPTIONS
9
3 SAMPLE CIRCUITS
12
3.1 STANDARD APPLICATION CIRCUIT
12
3.2 5 V ONLY SUPPLY
14
3.3 EXTERNAL VCC SUPPLY
15
3.4 OPTIMIZING ANALOG PRECISION
16
3.5 DRIVER PROTECTION AND EME CIRCUITRY 17
4 SPI INTERFACE
18
4.1 SPI DATAGRAM STRUCTURE
18
4.2 SPI SIGNALS
19
4.3 TIMING
20
5 UART SINGLE WIRE INTERFACE
21
5.1 DATAGRAM STRUCTURE
21
5.2 CRC CALCULATION
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5.3 UART SIGNALS
24
6 REGISTER MAPPING
25
6.1 GENERAL CONFIGURATION REGISTERS
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6.2 RAMP GENERATOR REGISTERS
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6.3 ENCODER REGISTERS
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6.4 MOTOR DRIVER REGISTERS
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7 CURRENT SETTING
43
7.1 SENSE RESISTORS
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8 CHOPPER OPERATION
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8.1 SPREADCYCLE CHOPPER
46
8.2 CLASSIC 2-PHASE MOTOR CONSTANT OFF TIME
CHOPPER
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8.3 RANDOM OFF TIME
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8.4 CHOPSYNC2 FOR QUIET MOTORS
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9 DRIVER DIAGNOSTIC FLAGS
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9.1 TEMPERATURE MEASUREMENT
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9.2 SHORT TO GND PROTECTION
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9.3 OPEN LOAD DIAGNOSTICS
52
10 RAMP GENERATOR
53
10.1 REAL WORLD UNIT CONVERSION
53
10.2
10.3
10.4
10.5
10.6
MOTION PROFILES
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INTERRUPT HANDLING
55
VELOCITY THRESHOLDS
55
REFERENCE SWITCHES
57
RESTRICTIONS OF RAMP GENERATOR (ERRATA) 58
11 STALLGUARD2 LOAD MEASUREMENT
61
11.1
11.2
11.3
11.4
11.5
TUNING THE STALLGUARD2 THRESHOLD SGT 62
STALLGUARD2 UPDATE RATE AND FILTER
64
DETECTING A MOTOR STALL
64
HOMING WITH STALLGUARD
64
LIMITS OF STALLGUARD2 OPERATION
64
12 COOLSTEP OPERATION
65
12.1 USER BENEFITS
65
12.2 SETTING UP FOR COOLSTEP
65
12.3 TUNING COOLSTEP
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13 DCSTEP
68
13.1
13.2
13.3
13.4
13.5
USER BENEFITS
68
DESIGNING-IN DCSTEP
68
ENABLING DCSTEP
69
STALL DETECTION IN DCSTEP MODE
69
MEASURING ACTUAL MOTOR VELOCITY IN DCSTEP
OPERATION
70
14 SINE-WAVE LOOK-UP TABLE
71
14.1 USER BENEFITS
71
14.2 MICROSTEP TABLE
71
15 ABN INCREMENTAL ENCODER INTERFACE 73
15.1 ENCODER TIMING
74
15.2 SETTING THE ENCODER TO MATCH MOTOR
RESOLUTION
74
15.3 CLOSING THE LOOP
74
16 QUICK CONFIGURATION GUIDE
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17 GETTING STARTED
80
17.1 INITIALIZATION EXAMPLES
80
18 CLOCK OSCILLATOR AND CLOCK INPUT 81
18.1 USING THE INTERNAL CLOCK
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18.2 USING AN EXTERNAL CLOCK
81
18.3 CONSIDERATIONS ON THE FREQUENCY
81
19 ABSOLUTE MAXIMUM RATINGS
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20 ELECTRICAL CHARACTERISTICS
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20.1 OPERATIONAL RANGE
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20.2 DC CHARACTERISTICS AND TIMING
CHARACTERISTICS
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20.3 THERMAL CHARACTERISTICS
86
21 LAYOUT CONSIDERATIONS
87
21.1 EXPOSED DIE PAD
87
21.2 WIRING GND
87
21.3 SUPPLY FILTERING
87
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