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
页数 / 页
43 /3 — Table of Contents. PRINCIPLES OF OPERATION ... 4. DRIVER DIAGNOSTIC FLAGS …
文件格式/大小
PDF / 1.1 Mb
文件语言
英语
Table of Contents. PRINCIPLES OF OPERATION ... 4. DRIVER DIAGNOSTIC FLAGS .. 30. PIN ASSIGNMENTS ... 7
link to page 4 link to page 5 link to page 6 link to page 6 link to page 6 link to page 7 link to page 7 link to page 7 link to page 8 link to page 8 link to page 10 link to page 10 link to page 12 link to page 13 link to page 14 link to page 14 link to page 15 link to page 15 link to page 17 link to page 17 link to page 18 link to page 19 link to page 20 link to page 22 link to page 23 link to page 27 link to page 27 link to page 27 link to page 28 link to page 29 link to page 30 link to page 30 link to page 30 link to page 31 link to page 32 link to page 33 link to page 33 link to page 34 link to page 34 link to page 34 link to page 35 link to page 37 link to page 38 link to page 38 link to page 38 link to page 38 link to page 39 link to page 40 link to page 40 link to page 41 link to page 42 link to page 42 link to page 43 link to page 43 TMC7300 DATASHEET (Rev. 1.01 / 2019-NOV-06) 3 Table of Contents 7.1 1 MOTOR TORQUE LIMIT ... 29 PRINCIPLES OF OPERATION ... 48 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 2PIN ASSIGNMENTS ... 79QUICK CONFIGURATION GUIDE .. 32 2.1 PACKAGE OUTLINE TMC7300 (UART MODE) . 7 10EXTERNAL RESET ... 33 2.2 SIGNAL DESCRIPTIONS / UART MODE .. 7 11CLOCK OSCILLATOR ... 33 2.3 PACKAGE OUTLINE / HALFBRIDGE MODE ... 8 2.4 SIGNAL DESCRIPTIONS / HALFBRIDGE MODE .. 8 12ABSOLUTE MAXIMUM RATINGS ... 343SAMPLE CIRCUITS .. 1013ELECTRICAL 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 14LAYOUT CONSIDERATIONS ... 38 3.5 VERY LOW I/O VOLTAGE OPERATION .. 14 14.1 EXPOSED DIE PAD .. 38 4UART 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 15PACKAGE MECHANICAL DATA .. 40 4.4 ADDRESSING MULTIPLE SLAVES .. 18 15.1 DIMENSIONAL DRAWINGS QFN20 ... 40 5REGISTER MAP ... 19 15.2 PACKAGE CODES ... 41 5.1 GENERAL REGISTERS ... 20 16DESIGNED FOR SUSTAINABILITY ... 42 5.2 MOTOR CONTROL .. 22 5.3 CHOPPER CONTROL REGISTERS ... 23 17TABLE OF FIGURES ... 426CHOPPER OPTIONS .. 2718REVISION HISTORY ... 43 6.1 LOAD INDICATOR FLAGS ... 27 19REFERENCES .. 43 6.2 FREEWHEELING AND PASSIVE BRAKING .. 27 7SELECTING SENSE RESISTORS .. 28 www.trinamic.com