A4988 Stepper Motor Driver: for 3D Printer Reprap Mendel Huxley Arduino
Volts:3.3-5v
Step Mode:Full;1/2;1/4;1/8 and 1/16
Commodities include:5Pcs A4988 Stepper Motor Driver;5Pcs Heat Sink;1Pcs Screwdrivers
Note: Drive Current A4988 Chip Without a Heatsink, The Current in the 1.2A Below; with a Heatsink, the Current Can Reach 2A
وصف
Function
Low RDS (open) outputs
Automatic Current Decay Mode Detection/Selection Mixed with Slow Current Decay Mode for Low Power Dissipation Synchronous Rectification Internal UVLO Cross Current Protection
VMOT drive capability 8-35V
Driving current: If no heatsink is added to the A4988 chip, the current is below 1.2A; if a heatsink is added, the current can reach 2A.
3.3 and 5V compatible logic power supply
Thermal shutdown circuit
Ground short circuit protection Load short circuit protection
Five selectable stepping modes: full step, 1/2, 1/4, 1/8 and 1/16.