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參數(shù)資料
| 型號： | TMC222-SI |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 23/48頁 |
| 文件大小： | 457K |
| 代理商： | TMC222-SI |
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TMC222 DATASHEET (V. 1.12 / March 7, 2011)
3
Copyright 2004-2009 TRINAMIC Motion Control GmbH & Co. KG
Table of Contents
1
FEATURES ...................................................................................................................................... 1
2
GENERAL DESCRIPTION .............................................................................................................. 5
2.1
Block Diagramm........................................................................................................................ 5
2.2
Position Controller / Main Control ............................................................................................. 5
2.3
Stepper Motor Driver................................................................................................................. 5
2.4
Two Wire Serial Interface.......................................................................................................... 5
2.5
Miscellaneous ........................................................................................................................... 6
2.6
Pin and Signal Descriptions ...................................................................................................... 6
3
TYPICAL APPLICATION................................................................................................................. 7
4
ORDERING INFORMATION ........................................................................................................... 7
5
FUNCTIONAL DESCRIPTION ........................................................................................................ 8
5.1
Position Controller and Main Controller .................................................................................... 8
5.1.1
Stepping Modes ................................................................................................................. 8
5.1.2
Velocity Ramp.................................................................................................................... 8
5.1.3
Examples for different Velocity Ramps.............................................................................. 9
5.1.4
Vmax Parameter.............................................................................................................. 10
5.1.5
Vmin Parameter............................................................................................................... 11
5.1.6
Acceleration Parameter ................................................................................................... 11
5.1.7
Position Ranges............................................................................................................... 12
5.1.8
Secure Position................................................................................................................ 12
5.1.9
External Switch ................................................................................................................ 12
5.1.10
Motor Shutdown Management......................................................................................... 13
5.1.11
Reference Search / Position initialization......................................................................... 14
5.1.12
Temperature Management .............................................................................................. 15
5.1.13
Battery Voltage Management .......................................................................................... 16
5.1.14
Internal handling of commands and flags ........................................................................ 17
5.2
RAM and OTP Memory........................................................................................................... 19
5.2.1
RAM Registers................................................................................................................. 19
5.2.2
Status Flags ..................................................................................................................... 20
5.2.3
OTP Memory Structure.................................................................................................... 21
5.3
Stepper Motor Driver............................................................................................................... 21
5.3.1
Coil current shapes .......................................................................................................... 22
5.3.2
Transition Irun to Ihold ..................................................................................................... 23
5.3.3
Chopper Mechanism........................................................................................................ 24
6
TWO-WIRE SERIAL INTERFACE................................................................................................. 25
6.1
Physical Layer ......................................................................................................................... 25
6.2
Communication on Two Wire Serial Bus Interface ................................................................. 25
6.3
Physical Address of the circuit ................................................................................................ 26
6.4
Write data to TMC222............................................................................................................. 26
6.5
Read data from TMC222 ........................................................................................................ 27
6.6
Timing characteristics of the serial interface........................................................................... 28
6.7
Application Commands Overview ........................................................................................... 29
6.8
Command Description ............................................................................................................ 30
6.8.1
GetFullStatus1 ................................................................................................................. 30
6.8.2
GetFullStatus2 ................................................................................................................. 31
6.8.3
GetOTPParam ................................................................................................................. 31
6.8.4
GotoSecurePosition ......................................................................................................... 32
6.8.5
HardStop.......................................................................................................................... 32
6.8.6
ResetPosition................................................................................................................... 32
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