Geeetech 5PCS/LOT StepStick DRV8825 Stepper Driver Pololu Reprap 4layer PCB for 3D Printer Sanguinololu Prusa
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
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.
This product ships with all surface-mount components—including the DRV8825 driver IC—installed as shown in the product picture.
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.
|Simple step and direction control interface|
|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|
|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|
|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)|
5 x DRV8825 Stepper Driver
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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