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TMC457-EVAL

更新时间： 2024-01-03 10:01:46
品牌 Logo 应用领域
TRINAMIC 电机编码器控制器
页数 文件大小 规格书
1页 393K
描述
Stepper and Piezo Motor Controller (S-shapeRamps) with Encoder Interface, easyPID™ Feedback Control and Integrated Sequencer

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TMC457-EVAL 数据手册

  
MOTION CONTROLLER FOR STEPPER AND PIEZO MOTORS  
INTEGRATED CIRCUITS  
TMC457  
Stepper and Piezo Motor  
Controller (S-shape Ramps)  
with Encoder Interface,  
easyPID™ Feedback Control  
and Integrated Sequencer  
MAIN CHARACTERISTICS  
INFO The TMC457 is a high-end single axis micro stepping motion  
controller for 2-phase bipolar stepper motors, piezo motors  
(Piezo LEGS®). Via step / direction interface 3-phase stepper  
motors can also be controlled (requires additional TMC332). It  
adds to any microcontroller or processor with SPI interface. It is  
intended for applications, where a precise and fast, jerk-free mo-  
tion profile is desired. The TMC457 supports linear and S-shaped  
velocity ramps. It’s chopSync™ feature allows high speed  
movement avoiding resonances.  
• S-shaped and linear ramps with on-the-fly  
alteration of all parameters  
• programmable high resolution sequencer  
with (12bit, 8192 entry) micro step LUT table  
• integrated sequencer  
• incr. encoder interface with flexible up- and  
down scaling to match drive resolution  
• fast and stable easyPID™ PID controller  
• 32 bit registers “from mHz to MHz”  
• reference switch processing  
An encoder can be added for extremely quick and precise posi-  
tioning using the internal hardware PID regulator easyPID™ and  
for increased reliability / fault detection.  
• virtual stop sw. (programmable soft limits)  
• position pulse output to trigger ext. events  
• synchronization of multiple axis via step/di-  
rection input  
For maximum flexibility all motion control parameters (target  
position, target velocity, acceleration, deceleration and bow) can  
be changed on-the-fly at any time during motion.  
• integrated chopSync™ for high velocities  
• analog high resolution motor driver control  
via external dual -low cost- 12 bit DAC  
• energy saving by automatic load angle  
dependent current control  
one capacitor  
per supply pin  
100n  
100n  
ELECTRICAL • 3.3V IO/ 1.5V core  
TMC457  
RES  
RES  
CLK  
DATA  
I
I
I
CLK  
INTERFACE • SPI interface to microcontroller  
ENABLE  
Interface  
Section  
Motion profile  
generation  
Sequencer  
• step / direction output (with progr. timing)  
STEP_OUT  
DIR_OUT  
O
O
O
O
O
NSCS  
SCK  
SDI  
I
I
S-Ramp  
generator  
target  
v
Output  
Pulse  
generator  
• stallGuard™ interface for TMC246/TMC249  
family stepper motor drivers  
Host CPU SPI  
Interface  
SPI bus  
interface  
Register  
Block  
Pulse  
XSTEP_OUT  
HIRES_OUT  
STDBY_OUT  
Step/Dir Output  
I
generator  
Trapezoid  
Ramp  
SDO  
O
STEP/  
DIR  
generator  
PACKAGE • FBGA144 package 13 x 13 mm²  
PHA  
PHB  
O
NINT  
Interrupt  
control  
Classic stepper  
driver  
O
control  
status  
&
Microstep  
RAM  
8192*12  
Position  
Counter  
O
2 phase  
NCS_DAC  
SCK_DAC  
SDO_DAC_A  
SDO_DAC_B  
PZO_EN  
stepper  
piezo  
&
O
O
O
O
I
• RoHS compliant  
Analog control of  
Stepper / Piezo  
via DAC  
POSCOMP  
STEP_IN  
sequencer  
Position  
compare  
O
(LTC2622)  
easyPID  
PID  
controller  
NCS_DRV  
SCK_DRV  
SDO_DRV  
SDI_DRV  
NANA_SPI  
I
I
O
O
O
I
TMC246 /  
TMC249 stepper  
driver  
Optional Step/  
Dir Input  
STEP DIR  
Prescaler  
TMC24x  
SPI  
interface  
DIR_IN  
PID  
I
Stop input  
processing  
STOPL  
STOPR  
Stop /  
Reference  
Switches  
I
I
&
virtual  
stop  
Encoder  
ChopClk  
synchronized  
chopper clock  
10 mm  
O
ChopSync  
switches  
ENC_A  
ENC_B  
ENC_N  
I
I
I
Optional  
Incremental  
Encoder  
Encoder  
Scaler  
Counter  
quadrature  
decoder  
&
ORDER CODE  
DESCRIPTION  
TMC457-BC  
1-axis motion controller with encoder feedback, FBGA144 package  
Related product:  
TMC457-Eval  
Evaluation board for TMC457  
www.trinamic.com – for detailed information and datasheets  
93  
1

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