BIG TREE TECH TMC2208 V3.0 Manual de usuario
Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
BIGTREETECH
TMC2208-V3.0
Stepper motor driver
Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
Parameter description
power tube built-in drive current 1.2A ,peak current 2A
256 microsteps per fullstep
interpolation from lower input resolutions
stealthChop2 - for quiet positioning
spreadCycle - for high speed and high dynamics
Low RDSon LS 280mΩ & HS 290mΩ (typ. at 25°C)
Voltage Range 12V/24VDC
Single Wire UART for advanced configuration options
Integrated Pulse Generator for standalone motion
Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
Working mode and potentiometer description
1. STEP/DIRmode：
Choice of working mode：MS1、MS2：
Working Current Reference:
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2.UART mode：
Note: TMC2208 v3.0 has two modes from our factory : step / dir and UART mode.
Customers can choose according to your own needs.
The user who purchases the step / dir mode driver shall perform the following hardwa
re operations on the driver module before wiring (the user who purchases the UART
mode driver does not need any welding operations):
Weld J2 as shown in the purple area, and put the driver in UART mode.
The benefits of UART mode:
1.Motor current can be set arbitrarily by firmware.
2.Micro-steps can be set arbitrarily by firmware (up to 256 actual micro-steps);
3.The actual and interpolated microsteps can be combined to achieve maximum
torque.
4.Firmware can dynamically switch stepper motors between stealthChop2 and
spreadCycle modes through UART.
5.When the motor is not moving, the standby current of the motor can be reduced
dynamically (through UART).
Shenzhen BIGTREE technology co., LTD.
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Potentiometer regulation instructions:
Clockwise Rotating Potentiometer - Reduces Vref, thereby reducing drive
current;
Counterclockwise rotating potentiometer - Increase Vref, thereby
increasing the driving current.
The accurate voltage of Vref can only be measured when the main
board is supplied with 12V or 24V voltage.
The range of Vref value: default value: 1V (+0.2); MAX: 2V; MIN:
0V;
Rotating potentiometer must not use too much force to prevent
irreversible damage to the potentiometer; when the counter-clockwise
rotation reaches the maximum, if it continues to rotate, it will become the
minimum; similarly, when the clockwise rotation reaches the minimum, if
it continues to rotate, it will become the maximum
Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
Firmware change instructions:
Firmware (marlin-bugfix-2.0)
BIGTREETECH SKR V1.3 as example：
Configuration.h files
TMC2208 - means you want to control SilentStepStick through UART.
TMC2208_STANDALONE - does not use UART control but
STEP/DIR .
TMC2208 SilentStepStick，In other words plug and play.
Configuration_adv.h files
Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
Pins_BIGTREE_SKR_V1.3.h file
After the firmware is changed, burned the firmware and check whether
the driver is correctly installed is detected.
Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
Shenzhen BIGTREE technology co., LTD.
BIG TREE TECH
Attention ：
1. When hardware chooses UART working mode, cautiously use
soldering iron to prevent scalding hands. After treatment, carefully
observe whether there is residual tin slag in the module. It must be
cleaned up to prevent short circuit burning of the module.
2. Pay attention to the line sequence and IO port when wiring. If the
wrong line is connected, the drive will not work.
3. When inserting drive into the main board, pay attention to see the
direction of drive, can not insert backward, to prevent drive from burning.
4.Make sure to do a good job in heat dissipation (heat sink + heat
dissipation fan) before driving to prevent abnormal operation of the drive.
If you encounter problems in use, welcome to contact us, we will be
answer to you ASAP . If you have any good comments or suggestions on
our products, please tell us , we will carefully consider your comments or
Suggestions. Thank you for choosing BIGTREETECH products, thank you!
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