Datasheet TMC7300 (TRINAMIC) - 3
| Manufacturer | TRINAMIC |
| Description | POWER DRIVER FOR DC MOTORS. Low Voltage Driver for One or Two DC Motors up to 2A (2.4A) peak – UART based Control for Torque and Velocity. 4 Half Bridge Peripheral Driver Option |
| Pages / Page | 43 / 3 — Table of Contents. PRINCIPLES OF OPERATION ... 4. DRIVER DIAGNOSTIC FLAGS … |
| File Format / Size | PDF / 1.1 Mb |
| Document Language | English |
Table of Contents. PRINCIPLES OF OPERATION ... 4. DRIVER DIAGNOSTIC FLAGS .. 30. PIN ASSIGNMENTS ... 7
Model Line for this Datasheet
Text Version of Document
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Table of Contents
7.1
1
MOTOR TORQUE LIMIT ... 29
PRINCIPLES OF OPERATION ... 4 8
1.1
DRIVER DIAGNOSTIC FLAGS .. 30
CONTROL INTERFACES ... 5 1.2 MOVING AND CONTROLLING THE MOTOR .. 6 8.1 TEMPERATURE MEASUREMENT ... 30 1.3 MECHANICAL LOAD SENSING .. 6 8.2 SHORT PROTECTION .. 30 1.4 PROTECTION AND DIAGNOSTICS ... 6 8.3 DIAGNOSTIC OUTPUT ... 31
2 PIN ASSIGNMENTS ... 7 9 QUICK CONFIGURATION GUIDE .. 32
2.1 PACKAGE OUTLINE TMC7300 (UART MODE) . 7
10 EXTERNAL RESET ... 33
2.2 SIGNAL DESCRIPTIONS / UART MODE .. 7
11 CLOCK OSCILLATOR ... 33
2.3 PACKAGE OUTLINE / HALFBRIDGE MODE ... 8 2.4 SIGNAL DESCRIPTIONS / HALFBRIDGE MODE .. 8
12 ABSOLUTE MAXIMUM RATINGS ... 34 3 SAMPLE CIRCUITS .. 10 13 ELECTRICAL CHARACTERISTICS ... 34
3.1 DC MOTOR OPERATION .. 10 13.1 OPERATIONAL RANGE ... 34 3.2 HALFBRIDGE DRIVER MODE .. 12 13.2 DC AND TIMING CHARACTERISTICS .. 35 3.3 HIGHLY EFFICIENT DRIVER.. 13 13.3 THERMAL CHARACTERISTICS.. 37 3.4 LOW POWER STANDBY ... 14
14 LAYOUT CONSIDERATIONS ... 38
3.5 VERY LOW I/O VOLTAGE OPERATION .. 14 14.1 EXPOSED DIE PAD .. 38
4 UART SINGLE WIRE INTERFACE .. 15
14.2 WIRING GND .. 38 4.1 DATAGRAM STRUCTURE ... 15 14.3 SUPPLY FILTERING .. 38 4.2 CRC CALCULATION ... 17 14.4 LAYOUT EXAMPLE ... 39 4.3 UART SIGNALS .. 17
15 PACKAGE MECHANICAL DATA .. 40
4.4 ADDRESSING MULTIPLE SLAVES .. 18 15.1 DIMENSIONAL DRAWINGS QFN20 ... 40
5 REGISTER MAP ... 19
15.2 PACKAGE CODES ... 41 5.1 GENERAL REGISTERS ... 20
16 DESIGNED FOR SUSTAINABILITY ... 42
5.2 MOTOR CONTROL .. 22 5.3 CHOPPER CONTROL REGISTERS ... 23
17 TABLE OF FIGURES ... 42 6 CHOPPER OPTIONS .. 27 18 REVISION HISTORY ... 43
6.1 LOAD INDICATOR FLAGS ... 27
19 REFERENCES .. 43
6.2 FREEWHEELING AND PASSIVE BRAKING .. 27
7 SELECTING SENSE RESISTORS .. 28
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Table of Contents
7.1
1
MOTOR TORQUE LIMIT ... 29
PRINCIPLES OF OPERATION ... 4 8
1.1
DRIVER DIAGNOSTIC FLAGS .. 30
CONTROL INTERFACES ... 5 1.2 MOVING AND CONTROLLING THE MOTOR .. 6 8.1 TEMPERATURE MEASUREMENT ... 30 1.3 MECHANICAL LOAD SENSING .. 6 8.2 SHORT PROTECTION .. 30 1.4 PROTECTION AND DIAGNOSTICS ... 6 8.3 DIAGNOSTIC OUTPUT ... 31
2 PIN ASSIGNMENTS ... 7 9 QUICK CONFIGURATION GUIDE .. 32
2.1 PACKAGE OUTLINE TMC7300 (UART MODE) . 7
10 EXTERNAL RESET ... 33
2.2 SIGNAL DESCRIPTIONS / UART MODE .. 7
11 CLOCK OSCILLATOR ... 33
2.3 PACKAGE OUTLINE / HALFBRIDGE MODE ... 8 2.4 SIGNAL DESCRIPTIONS / HALFBRIDGE MODE .. 8
12 ABSOLUTE MAXIMUM RATINGS ... 34 3 SAMPLE CIRCUITS .. 10 13 ELECTRICAL CHARACTERISTICS ... 34
3.1 DC MOTOR OPERATION .. 10 13.1 OPERATIONAL RANGE ... 34 3.2 HALFBRIDGE DRIVER MODE .. 12 13.2 DC AND TIMING CHARACTERISTICS .. 35 3.3 HIGHLY EFFICIENT DRIVER.. 13 13.3 THERMAL CHARACTERISTICS.. 37 3.4 LOW POWER STANDBY ... 14
14 LAYOUT CONSIDERATIONS ... 38
3.5 VERY LOW I/O VOLTAGE OPERATION .. 14 14.1 EXPOSED DIE PAD .. 38
4 UART SINGLE WIRE INTERFACE .. 15
14.2 WIRING GND .. 38 4.1 DATAGRAM STRUCTURE ... 15 14.3 SUPPLY FILTERING .. 38 4.2 CRC CALCULATION ... 17 14.4 LAYOUT EXAMPLE ... 39 4.3 UART SIGNALS .. 17
15 PACKAGE MECHANICAL DATA .. 40
4.4 ADDRESSING MULTIPLE SLAVES .. 18 15.1 DIMENSIONAL DRAWINGS QFN20 ... 40
5 REGISTER MAP ... 19
15.2 PACKAGE CODES ... 41 5.1 GENERAL REGISTERS ... 20
16 DESIGNED FOR SUSTAINABILITY ... 42
5.2 MOTOR CONTROL .. 22 5.3 CHOPPER CONTROL REGISTERS ... 23
17 TABLE OF FIGURES ... 42 6 CHOPPER OPTIONS .. 27 18 REVISION HISTORY ... 43
6.1 LOAD INDICATOR FLAGS ... 27
19 REFERENCES .. 43
6.2 FREEWHEELING AND PASSIVE BRAKING .. 27
7 SELECTING SENSE RESISTORS .. 28
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