Pilot Rd. 920
Nevada
Las Vegas, Vereinigte Staaten, 89119
[email protected]
https://www.pololu.com/
Am Ostbahnhof 3
Niedersachsen
Clausthal-Zellerfeld, Deutschland, 38678
[email protected]
https://eckstein-shop.de
GTIN: | 4060137080296 |
HAN: | 3768 |
Category: | Stepper Motor Driver |
Storage Tiers: | Maintain |
Shipping weight: | 0,01 kg |
Item weight: | 0,01 kg |
Dimensions ( Length × Width × Height ): | 2,03 × 1,52 × 0,40 cm |
This breakout board for TI’s DRV8434S microstepping bipolar stepper motor driver operates from 4.5 V to 48 V and can deliver up to approximately 1.2 A per phase continuously without a heat sink or forced air flow (up to 2 A peak). The SPI interface allows configuration of the current limit, step mode (11 step modes from full-step through 1/256-step), decay mode, and stall detection. The driver also features built-in protection against under-voltage, over-current, and over-temperature conditions. This version of has the maximum current limit set to a fixed 2A, and SPI can be used to set the actual current limit to any of 16 evenly spaced values from 125 mA up to 2 A (i.e. in increments of 125 mA).
This product is a carrier board or breakout board for the DRV8434S stepper motor driver from Texas Instruments (TI); we therefore recommend careful reading of the DRV8434S datasheet before using this product. This stepper motor driver lets you control one bipolar stepper motor at up to approximately 1.2 A per phase continuously without a heat sink or forced air flow.
Features
- 4.5 V to 48 V supply voltage range
- Can deliver 1.2 A per phase continuously without additional cooling
- Can interface directly with 1.8 V, 3.3 V, and 5 V systems
- Highly configurable through SPI interface
- Optional STEP/DIR control pins (stepping can also be controlled through SPI interface alone)
- Eleven different step resolutions: full-step with 100% current, full-step with 70% current, non-circular 1/2-step, 1/2-step, 1/4-step, 1/8-step, 1/16-step, 1/32-step, 1/64-step, 1/128-step, 1/256-step
- Eight configurable decay modes, including smart tune dynamic decay and ripple control modes
- Two current limit control options available, each with two header pin assembly options, making four versions in all:
-
Potentiometer for Max. Current Limit: an on-board potentiometer sets the maximum current limit up to 2 A, and the actual current limit can be scaled down through SPI
- with header pins included but not soldered
- with header pins soldered
-
2A Max. Current Limit: the maximum current limit is fixed at 2A and the actual current limit is set solely through SPI in increments of 125 mA
- with header pins included but not soldered
- with header pins soldered
-
Potentiometer for Max. Current Limit: an on-board potentiometer sets the maximum current limit up to 2 A, and the actual current limit can be scaled down through SPI
- Integrated stall detection
- Over-temperature thermal shutdown, over-current protection, open load detection ,under-voltage lockout, and charge pump over-voltage protection
- Driver IC integrates spread spectrum clocking of its internal oscillator and charge pump for reduced EMI
- 4-layer, 2 oz copper PCB for improved heat dissipation
- Exposed solderable ground pad below the driver IC on the bottom of the PCB
This product ships with all surface-mount components—including the DRV8434S driver IC—installed as shown in the product picture.
Dimensions
- Size: 0.6? × 0.8?
- Weight: 1.3 g. Without included optional headers.
General specifications
- Minimum operating voltage: 4.5 V. Inputs below 6 V reduce the maximum settable current limit. With 4.5 V in the maximum settable limit is 1.75 A.
- Maximum operating voltage: 48 V
- Continuous current per phase: 1.2 A. Without a heat sink or forced air flow.
- Maximum current per phase: 2 A. With sufficient additional cooling.
- Minimum logic voltage: 1.8 V. Logic high threshold varies for two-state, tri-state, and quad-state pins.
- Maximum logic voltage: 5.5 V. Absolute maximum voltage on any input is 5.75 V.
- Microstep resolutions: full with 100% current, full with 70% current, non-circular 1/2, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256
- Current limit control: fixed 2A max with SPI scaling
- Reverse voltage protection?: N
- Header pins soldered?: N
Manufacturer according to GPSR
Pololu Corporation, Pilot Rd. 920, 89119 Las Vegas, Nevada, Vereinigte Staaten, [email protected], https://www.pololu.com/
Responsible person according to GPSR
Eckstein GmbH, Am Ostbahnhof 3, 38678 Clausthal-Zellerfeld, Niedersachsen, Deutschland, [email protected], https://eckstein-shop.de