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PDF TMC429 Data sheet ( Hoja de datos )
| Número de pieza | TMC429 | |
| Descripción | Intelligent Triple Stepper Motor Controller | |
| Fabricantes | TRINAMIC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TMC429 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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MOTION CONTROLLER FOR STEPPER MOTORS
INTEGRATED CIRCUITS
TMC429 DATASHEET
Intelligent Triple Stepper Motor Controller with Serial Peripheral Interfaces and Step/Direction
Full Compatible Successor of the TMC428
FEATURES AND BENEFITS
Controls up to three stepper motors
3.3 V or 5 V operation with CMOS / TTL compatible IOs
Serial 4-wire interface for µC with easy-to-use protocol
Interface for SPI™ motor drivers with data rates up to 1 Mbit/s
Step/Direction interface
Clock frequency: up to 32 MHz (can use CPU clock)
Internal position counters 24 bit wide
Microstep frequency up to 1 MHz
Read-out option for all motion parameters
Programmable 6 bit microstep table, up to 64 entries for a
quarter sine wave period
Ramp generators for autonomous positioning / speed control
On-the-fly change of target motion parameters
Power boost automatic acceleration dependent current control
Low power operation: 1.25 mA at 4 MHz (typ.)
Compact Size: ultra small 16 pin SSOP package, small 24 pin SOP
package, and 32 pin QFN 5x5 mm package
Directly controls TMC23x, TMC24x, TMC26x, and TMC389
BLOCK DIAGRAM
3x Ref. Switches
APPLICATIONS
CCTV, Security
Antenna Positioning
Heliostat Controller
Battery powered applications
Office Automation
ATM, Cash recycler, POS
Lab Automation
Liquid Handling
Medical
Printer and Scanner
Pumps and Valves
DESCRIPTION
The TMC429 is a miniaturized stepper motor
controller with an industry leading feature
set. It controls up to three motors via SPI or
Step/Direction interface. The SPI interface
provides a programmable 6 bit microstep
table (64 µsteps / fullstep) for best step
accuracy with 2-phase stepper motors. Based
on target positions and velocities - which can
be altered on the fly - it performs all real
time critical tasks autonomously. The TMC429
offers high level control functions for robust
and reliable operation. Two separate 4 wire
serial peripheral interfaces allow for
communication with the microcontroller and
with up to three daisy chained stepper motor
drivers.
Together with a microcontroller the TMC429
forms a complete motion control system.
High integration and small form factor allow
for miniaturized designs for cost-effective and
highly competitive solutions.
TMC429
SPI to µC
SPI to
Master
Ref. Switch
Processing
3x Linear
RAMP Generator
Step/Dir
Pulse
Generation
OUTPUT SELECT
- SPI
or
- Step/Dir
SPI to Stepper
Motor Driver 0/1/2
Step/Dir OUT 0/1/2
SDO to µC
Muliplexed
Output
CLK
Interrupt
Controller
Position
Comparator
Microstep
Table
Serial Driver
Interface
Position Compare OUT
TRINAMIC Motion Control GmbH & Co. KG
Hamburg, Germany
1 page  
TMC429 DATASHEET (Rev. 2.04 / 2015-JUN-03)
5
1.2 Control Interfaces
1.2.1 Serial µC Interface
From the software point of view, the TMC429 provides a set of registers, accessed by a
microcontroller via a serial interface in a uniform way. Each datagram contains address bits, a read-
write selection bit, and data bits to access the registers and the on-chip memory. Each time the
microcontroller sends a datagram to the TMC429 it simultaneously receives a datagram from the
TMC429. This simplifies the communication with the TMC429 and makes programming easy. Most
microcontrollers have an SPI hardware interface, which directly connects to the serial four wire
microcontroller interface of the TMC429. For microcontrollers without SPI hardware software doing the
serial communication is sufficient and can easily be implemented.
1.2.2 Step/Dir Driver Interface
The TMC429-LI controls the motor position by sending pulses on the STEP signal while indicating the
direction on the DIR signal. A programmable step pulse length and step frequencies up to 1MHz allow
operation at high speed and high microstep resolution. The driver chip converts these signals into the
coil currents which control the position of the motor. The TMC429-LI perfectly fits to the TMC26x smart
power Step/Dir driver family.
High Level
Interface
µC
SPI
SPI TMC429
Motion Controller
Step/Dir 1
Step/Dir 2
Step/Dir 3
Stepper Motor
Driver
e.g. TMC260/TMC261
Stepper Motor
Driver
e.g. TMC260/TMC261
Stepper Motor
Driver
e.g. TMC260/TMC261
M MM
Motor 1
Motor 2
Motor 3
Figure 1.2 Application example using Step/Dir driver interface
1.2.3 Serial Driver Interface
The TMC429 automatically generates the required data-stream for SPI drivers and provides user
configurable microstep waves and motor ramps for up to three motors. The serial interface to the
motor drivers is flexibly configurable for different types (from different vendors) with up to 64 bit
length for the SPI daisy chain. The TMC429-I perfectly fits to the TMC24x driver family.
High Level
Interface
µC
SPI TMC429
Motion Controller
SPI
Stepper Motor
Driver
e.g. TMC236/TMC246
Stepper Motor
Driver
e.g. TMC236/TMC246
Stepper Motor
Driver
e.g. TMC236/TMC246
M MM
Motor 1
Motor 2
Motor 3
Figure 1.3 Application example using SPI driver interface
www.trinamic.com
5 Page 
TMC429 DATASHEET (Rev. 2.04 / 2015-JUN-03)
4.1 Package Outlines
11
32 31 30 29 28 27 26 25
REF2
REF3
V5
TEST
CLK
GND
nSCS_C
SCK_C
1
2
3
4
5
6
7
8
TMC429-LI
9 10 11 12 13 14 15 16
24 n.c.
23 GND
22 V33
21 V5
20 nSCS3_D3
19 nSCS2_S3
18 nSCS_S_S2
17 SCK_S_D1
Please refer to the application note
PCB_Guidelines_TRINAMIC_packages
for a practical guideline for all
available TRINAMIC IC packages and
PCB footprints. The application note
covers package dimensions, example
footprints and general information on
PCB footprints for these packages. It is
available on www.trinamic.com.
QFN32 5x5mm
[n.c. @ TMC428] POSCMP
REF1
REF2
REF3
V5
TEST
CLK
GND
nSCS_C
SCK_C
SDI_C
[n.c. @ TMC428] SDOZ_C
1
2
3
4
5
6
7
8
9
10
11
12
24 REFR1 [n.c. @ TMC428]
23 SDI_S_D2
22 GND
21 V33
20 V5
19 nSCS3_D3
18 nSCS2_S3
17 nSCS_S_S2
16 SCK_S_D1
15 SDO_S_S1
14 nINT_SDO_C
13 REFR2 [n.c. @ TMC428]
SOP24 (300 MILS)
REF1
REF2
REF3
TEST
CLK
nSCS_C
SCK_C
SDI_C
1
2
3
4
5
6
7
8
16 SDI_S_D2
15 GND
14 V33
13 V5
12 nSCS_S_S2
11 SCK_S_D1
10 SDO_S_S1
9 nINT_SDO_C
SSOP16 (150 MILS)
Figure 4.1 TMC429 pin out
www.trinamic.com
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TMC429.PDF ] | |
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