STK672-600

Ordering number : ENA0755A STK672-600 Thick-Film Hybrid IC 2-phase Stepping Motor Driver http://onsemi.com Overview The STK672-600 is a hybrid IC for use as a unipolar, 2-phase stepping motor driver with PWM current control. Applications Office photocopiers, printers, etc. Features The motor speed can be controlled by the frequency of an external clock signal. 2-phase excitation or 1-2 phase excitation is selected according to switching the state of the MODE1 pin (low or high). The excitation mode is set at the rising edge of the clock signal when the MODE2 pin is high, or at the rising edge or falling edge when the MODE2 pin is low. The phase is maintained even if the excitation mode is switched in the middle of operation. The direction of rotation can be changed by applying a high or low signal to the CWB pin used to select the direction of rotation. Supports schmitt input for 2.5V high level input. Incorporating a current detection resistor (0.141Ω: resistor tolerance ±2%), motor current can be set using two external resistors. Equipped with an ENABLE pin that, during clock input, allows motor output to be cut-off and resumed later while maintaining the same excitation timing. Semiconductor Components Industries, LLC, 2013 June, 2013 62911HKPC 018-08-0102/71608HKIM No. A0755-1/19 STK672-600 Specifications Absolute Maximum Ratings at Tc = 25°C Parameter Maximum supply voltage 1 Maximum supply voltage 2 Input voltage Output current Allowable power d...