2 buc x Driver motor pas cu pas DRV8825 compatibil RAMPS 1.4 imprimanta 3D
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Numar articol:180002120
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Anuntul a expirat la:16.10.2016, 16:11
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Specificatii
Description
The DRV8825 stepper motor driver carrier is a breakout board
for TI's DRV8825 microstepping bipolar stepper motor driver. The
module has a pinout and interface that are nearly identical to
those of our A4988 stepper motor driver board, so it can be used as
a higher-performance drop-in replacement for those boards in many
applications.
The DRV8825 features adjustable current limiting, overcurrent
and overtemperature protection, and six microstep resolutions (down
to 1/32-step). It operates from 8.2 – 45 V and can deliver up to
approximately 1.5 A per phase without a heat sink or forced air
flow (rated for up to 2.2 A per coil with sufficient additional
cooling).
1)Simple step and direction control interface
2)Six different step resolutions: full-step, half-step,
1/4-step, 1/8-step, 1/16-step, and 1/32-step
3)Adjustable current control lets you set the maximum current
output with a potentiometer, which lets you use voltages above your
stepper motor's rated voltage to achieve higher step rates
4)45 V maximum supply voltage
5)Built-in regulator (no external logic voltage supply
needed)
6)Can interface directly with 3.3 V and 5 V systems
7)Over-temperature thermal shutdown, over-current shutdown,
and under-voltage lockout
8)Short-to-ground and shorted-load protection
9)4-layer, 2 oz copper PCB for improved heat dissipation
10)Exposed solderable ground pad below the driver IC on the
bottom of the PCB
11)Module size, pinout, and interface match those of our A4988
stepper motor driver carriers in most respects (see the bottom of
this page for more information)
This product is a carrier board or breakout board for TI’s
DRV8825 stepper motor driver; we therefore recommend careful
reading of the DRV8825 datasheet (1MB pdf) before using this
product. This stepper motor driver lets you control one bipolar
stepper motor at up to 2.2 A output current per coil (see the Power
Dissipation Considerations section below for more information).
Here are some of the driver’s key features:
Simple step and direction control interface
Six different step resolutions: full-step, half-step,
1/4-step, 1/8-step, 1/16-step, and 1/32-step
Adjustable current control lets you set the maximum current
output with a potentiometer, which lets you use voltages above your
stepper motor’s rated voltage to achieve higher step rates
Intelligent chopping control that automatically selects the
correct current decay mode (fast decay or slow decay)
45 V maximum supply voltage
Built-in regulator (no external logic voltage supply
needed)
Can interface directly with 3.3 V and 5 V systems
Over-temperature thermal shutdown, over-current shutdown, and
under-voltage lockout
Short-to-ground and shorted-load protection
4-layer, 2 oz copper PCB for improved heat dissipation
Exposed solderable ground pad below the driver IC on the
bottom of the PCB
Module size, pinout, and interface match those of our A4988
stepper motor driver carriers in most respects (see the bottom of
this page for more information)
We also carry a DRV8824 stepper motor driver carrier that can
serve as a direct substitute for the DRV8825 carrier when using
lower-current stepper motors. The DRV8824 can only deliver up to
0.75 A per coil without a heat sink (1.2 A max with proper
cooling), but it has larger current-sense resistors that allow for
better microstepping performance than the DRV8825 carrier at low
currents. The only way to tell our DRV8824 carrier apart from the
DRV8825 carrier is by the markings on the driver IC; if you have a
mix of the two, you might consider marking them (there is a blank
square on the bottom silkscreen you can use for this). For
lower-voltage applications, consider our pin-compatible DRV8834
carrier, which works with motor supply voltages as low as 2.5
V.
This product ships with all surface-mount components—including
the DRV8825 driver IC—installed as shown in the product
picture.
Package Included:
2PCS*DRV8825 stepper motor driver Module arduino 3D printer
RAMPS1.4 RepRap StepStick
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