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6Pcs A4988 Stepstick Stepper Motor Driver Module with Heat Sink for 3D Printer Reprap Suitable for Mendel Huxley Arduino

KWD 5
Brand
Azuocn
Weight
46 g
– 1 +

Special Features

  • Five selectable step modes: full, 1/2, 1/4, 1/8 and 1/16,the output drive performance is up to 35 V and ±1 A.
  • The A4988 driver includes a fixed-turn-off time current regulator that can operate in slow or mixed decay mode.
  • Internal Circuit Protection: Thermal shutdown, undervoltage lockout (UVLO), and cross-current protection with hysteresis.
  • The chopper control within the A4988 automatically selects the current decay mode (slow or mixed) during microstep operation. In mixed attenuation mode, the device is initially set to decay quickly during a portion of a fixed downtime, followed by a slow decay for the remainder of the downtime.
  • The hybrid attenuation current control scheme reduces audible motor noise, increases step progress, and reduces power consumption. Internal synchronous rectification control circuitry is provided to improve power consumption during pulse-width modulation (PWM) operation.

Description

Size: 1.5mmX2mm
Drive current: 2A (heatsink is recommended)
Step mode: 1, 1 / 2, 1 / 4, 1 / 8, 1 / 16
Products include:
6pcs A4988 Stepper Motor Driver Module (with PIN)
6pcs radiator
Features &Benefits:
1. Low RDS (on) output
2. Automatic current decay mode detection/selection
3. Hybrid and slow current attenuation modes
4. Synchronous rectification for low power dissipation
5. Internal UVLO
6. Cross-current protection, 3.3 and 5 V compatible logic supplies
7. Overheating shutdown circuit, grounding short circuit protection，Load short-circuit protection

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