TB67S109 Driver 3D Printer Stepstick S109 Stepper Motor Driver for 57 Stepper Motor/Pololu Pin Definition

Descriptions S109 driver is based on the ToshibaTB67S109 stepper motor driver chip design ​Features 1 It employs four layers of thick copper precipitation PCB with automatic patch processing 2 allow full step half step 1 4 1 8 1 16 1 32 step 3 maximum input voltage 50V maximum output current 4A at good heat dissipation condition 4 equipped with large heatsink for better cooling effect 5 high efficiency motor current control as to advanced dynamic hybrid attenuation ADMD ADMD Technology its input current can be tracked more closely than the traditional mixed attenuation mode so it can realize high speed motor control under high speed conditions 6 chip built in error detection circuit thermal shutdown TSD over current shutdown ISD and power on reset POR 7 It can drive the 57 stepper motor compatible with the Pololu pin definition 8 This driver uses the indexer DIR STEP control interface Maximum limited current adjustment Current limits can be adjusted by measuring the VREF and the adjustable resistance pls check wiring diagram Connect the voltmeter to VREF to the GND and read the value S109 uses 0 10ohm current sense resistor so the current limits can be calculated as follows Current Limit VREF x 2Please do not exceed the current rating of the motor current or motor and motor driver will be over heated or even damage Attention 0 Please be sure to install the heatsink and air cooling Do not run it without cooling for lo