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PDF TMC5041 Data sheet ( Hoja de datos )
| Número de pieza | TMC5041 | |
| Descripción | Dual controller/driver | |
| Fabricantes | TRINAMIC | |
| Logotipo |  |
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POWER DRIVER FOR STEPPER MOTORS
INTEGRATED CIRCUITS
TMC5041 DATASHEET
Dual controller/driver for up to two 2-phase bipolar stepper motors. stealthChop™ no-noise stepper
operation. Integrated motion controller with SPI interface.
APPLICATIONS
CCTV, Security
Office Automation
Antenna Positioning
Battery powered applications
ATM, Cash recycler, POS
Lab Automation
Liquid Handling
Medical
Printer and Scanner
Pumps and Valves
FEATURES AND BENEFITS
Two 2-phase stepper motors
Drive Capability up to 2x 1.1A coil current (2x 1.5A peak)
Motion Controller with sixPoint™ramp
Voltage Range 4.75… 26V DC
SPI Interface
2x Ref.-Switch input per axis
Highest Resolution up to 256 microsteps per full step
stealthChop™ for extremely quiet operation and smooth motion
spreadCycle™ highly dynamic motor control chopper
stallGuard2™ high precision sensorless motor load detection
coolStep™ current control for energy savings up to 75%
Passive Breaking and freewheeling mode
Full Protection & Diagnostics
Compact Size 7x7mm2 QFN48 package
BLOCK DIAGRAM
2x Ref. Switches
DESCRIPTION
The TMC5041 is a cost-effective dual
stepper motor controller and driver IC
with serial communication interface. It
combines flexible ramp generators for
automatic target positioning with
industries’ most advanced stepper motor
drivers. Based on TRINAMICs
sophisticated stealthChop chopper, the
driver ensures absolutely noiseless
operation combined with maximum
efficiency and best motor torque. High
integration, high energy efficiency and a
small form factor enable miniaturized
and scalable systems for cost effective
solutions. The complete solution reduces
learning curve to a minimum while
giving best performance in class. This
ensures a highly competitive solution.
Power
Supply
Charge
Pump
SPI
MOTION CONTROLLER
with Linear 6 Point
RAMP Generator
MOTION CONTROLLER
with Linear 6 Point
RAMP Generator
Programmable
256 µStep
Sequencer
Protection
& Diagnostics
Protection
& Diagnostics
Programmable
256 µStep
Sequencer
TMC5041
DRIVER 1
DRIVER 2
stallGuard2 coolStep
Motor 1
Motor 2
2x Ref. Switches
TRINAMIC Motion Control GmbH & Co. KG
Hamburg, Germany
1 page  
TMC5041 DATASHEET (Rev. 1.12 / 2016-APR-22)
5
1 Principles of Operation
ref. / stop switches motor 1
+VM
100n
TMC5041
Dual stepper motor
driver / controller
FF
reference switch
processing
VCP
100n CPI
CPO
22n
VSA
5VOUT
4.7µ VCC
charge pump
2x linear 6 point
RAMP generator
5V Voltage
regulator
Motion control
Step &
Direction pulse
generation
coolStderpivmerotor
programmable
spreadCycle &
sine table
x stealthChop
4*256 entry
chopper
coolStep™
SPI™
CSN
SCK
SDI
SDO
Control register
set
SINGLEDRV
SPI interface
Interface
Stepper driver
Protection
& diagnostics
Motion control
temperature
measurement
CLK oscillator/
selector
stallGuard2™
2 x current
comparator
stallGuard2™
coolStep™
2 x current
comparator
interrupt out
opt. ext. clock
8-16MHz
+VIO
3.3V or 5V
I/O voltage
100n
INT
PP
CLK_IN
VCC_IO
INT & position
pulse output
2x linear 6 point
RAMP generator
reference switch
processing
FF
Step &
Direction pulse
generation
programmable
spreadCycle &
sine table
x stealthChop
4*256 entry
chopper
coolStderpivmerotor
F = 60ns spike filter
HaHlaf lBf rBidrigdege1 1
HaHlaf lBf rBidrigdege2 2
2 x DAC
2 x DAC
HaHlaf lBf rBidrigdege2 2
HaHlaf lBf rBidrigdege1 1
+VM
100n
Stepper
VS #1
O1A1
O1A2
O1B1
N 2 phase
S stepper
motor
O1B2
BR1A / B
GNDP
RSENSE
RSENSE
RSENSE=0R25 allows for
maximum coil current
GNDP
RSENSE
RSENSE
BR2A / B
O2B2
O2B1
O2A2
O2A1
2 phase
S stepper
N motor
VS Stepper
#2100n
+VM
ref. / stop switches motor 2
Figure 1.1 Basic application and block diagram
opt. driver enable
The TMC5041 motion controller and driver chip is an intelligent power component interfacing between
the CPU and one or two stepper motors. All stepper motor logic is completely within the TMC5041. No
software is required to control the motor – just provide target positions. The TMC5041 offers a
number of unique enhancements which are enabled by the system-on-chip integration of driver and
controller. The sixPoint ramp generator of the TMC5041 uses stealthChop, coolStep, and stallGuard2
automatically to optimize every motor movement. The clear concept and the comprehensive solution
save design time.
1.1 Key Concepts
The TMC5041 implements several advanced features which are exclusive to TRINAMIC products. These
features contribute toward greater precision, greater energy efficiency, higher reliability, smoother
motion, and cooler operation in many stepper motor applications.
stealthChop™ No-noise, high-precision chopper algorithm for inaudible motion and inaudible
standstill of the motor.
stallGuard2™ High-precision load measurement using the back EMF on the motor coils.
coolStep™
Load-adaptive current control which reduces energy consumption by as much as
75%.
spreadCycle™ High-precision chopper algorithm available as an alternative to the traditional
constant off-time algorithm.
sixPoint™
Fast and precise positioning using a hardware ramp generator with a set of four
acceleration / deceleration settings. Quickest response due to dedicated hardware.
In addition to these performance enhancements, TRINAMIC motor drivers offer safeguards to detect
and protect against shorted outputs, output open-circuit, overtemperature, and undervoltage
conditions for enhancing safety and recovery from equipment malfunctions.
www.trinamic.com
5 Page 
TMC5041 DATASHEET (Rev. 1.12 / 2016-APR-22)
11
3 Sample Circuits
The sample circuits show the connection of the external components in different operation and
supply modes. The connection of the bus interface and further digital signals is left out for clarity.
3.1 Standard Application Circuit
Optional use lower +VM
voltage down to 6V
100n
VCP
100n
VSA
5VOUT
4.7µ
2R2
VCC
470n
22n
charge pump
5V Voltage
regulator
CSN
SCK
SDI
SDO
SPI interface
reference switch
processing
Controller 1
Driver 1
TMC5041
opt. ext. clock
12-16MHz
+VIO
3.3V or 5V
I/O voltage
100n
INT
PP
CLK_IN
VCC_IO
INT & position
pulse output
Controller 2
reference switch
processing
Driver 2
Full Bridge A
Full Bridge B
Full Bridge A
Full Bridge B
VS
O1A1
O1A2
O1B1
O1B2
BR1A
BR1B
VS
O2A1
O2A2
O2B1
O2B2
BR2A
BR2B
+VM
100n
100µF
N
S
stepper
motor #1
100n
N
S
stepper
motor #2
Figure 3.1 Standard application circuit
The standard application circuit uses a minimum set of additional components in order to operate the
motor. Use low ESR capacitors for filtering the power supply which are capable to cope with the
current ripple. The current ripple often depends on the power supply and cable length. The VCC_IO
voltage can be supplied from 5VOUT, or from an external source, e.g. a low drop 3.3V regulator. In
order to minimize linear voltage regulator power dissipation of the internal 5V voltage regulator in
applications where VM is high, a different (lower) supply voltage can be used for VSA, if available. For
example, many applications provide a 12V supply in addition to a higher supply voltage like 24V.
Using the 12V supply for VSA will reduce the power dissipation of the internal 5V regulator to about
37% of the dissipation caused by supply with the full motor voltage. For best motor chopper
performance, an optional R/C-filter de-couples 5VOUT from digital noise cause by power drawn from
VCC.
Basic layout hints
Place sense resistors and all filter capacitors as close as possible to the related IC pins. Use a solid
common GND for all GND connections, also for sense resistor GND. Connect 5VOUT filtering capacitor
directly to 5VOUT and GNDA pin. See layout hints for more details. Low ESR electrolytic capacitors are
recommended for VS filtering.
Attention
In case VSA is supplied by a different voltage source, make sure that VSA does not exceed VS by
more than one diode drop upon power up or power down.
www.trinamic.com
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TMC5041.PDF ] | |
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