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TMC2220 pages
TMC222 DATASHEET (V. 1.12 / March 7, 2011)
1
TMC222 – DATASHEET
GND
GND
26
24
23
22
VBAT
SWI
NC
VCP
CPP
CPN
TMC 222
QFN32
www.trinamic.com
8
VCP
12
13
14
15
16
HW
NC
11
GND
10
open
VBAT
GND
11
TST
9
12
SCL
9
10
VDD
OB2
CPN
CPP
VBAT
VBAT
SDA
13
21
GND
20
14
VBAT
OA1
VBAT
OB1
VBAT
19
15
OB2
18
OA2
OB2
17
16
OA1
7
GND
6
HW
27
5
8
28
4
7
GND
OA1
17
TMC222
6
open
29
3
5
TST
30
18
2
4
31
TRINAMIC Motion Control GmbH & Co. KG
Waterloohain 5
D – 22769 Hamburg
GERMANY
25
1
VDD
GND
32
OB1
VBAT
TRINAMIC
3
OA2
SWI
OA2
19
SCL
GND
20
2
GND
1
SDA
OB1
Micro Stepping Stepper Motor
Controller / Driver with Two Wire Serial Interface
Top view
1 Features
The TMC222 is a combined micro-stepping stepper motor motion controller and driver with RAM and
OTP memory. The RAM or OTP memory is used to store motor parameters and configuration settings.
The TMC222 allows up to four bit of micro stepping and a coil current of up to 800 mA. After
initialization it performs all time critical tasks autonomously based on target positions and velocity
parameters. Communications to a host takes place via a two wire serial interface. Together with an
inexpensive micro controller the TMC222 forms a complete motion control system. The main benefits
of the TMC222 are:
•
•
•
Motor driver
• Controls one stepper motor with four bit micro stepping
• Programmable Coil current up to 800 mA
• Supply voltage range operating range 8V ... 29V
• Fixed frequency PWM current control with automatic selection of fast and slow decay mode
• Full step frequencies up to 1 kHz
• High temperature, open circuit, short, over-current and under-voltage diagnostics
Motion controller
• Internal 16-bit wide position counter
• Configurable speed and acceleration settings
• Build-in ramp generator for autonomous positioning and speed control
• On-the-fly alteration of target position
• reference switch input available for read out
Two wire serial interface
• Transfer rates up to 350 kbps
• Diagnostics and status information as well as motion parameters accessible
• Field-programmable node addresses (32)
Copyright © 2004-2009 TRINAMIC Motion Control GmbH & Co. KG
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