Ordering number : EN7633A www.
DataSheet4U.
com Monolithic Digital IC LB1945D Overview PWM Current Control Stepping Motor Driver The LB1945D is a PWM current control stepping motor driver that uses a bipolar drive technique.
It is optimal for use with the carriage and paper feed stepping motors used in printers.
Functions and Features • PWM current control (external clock) • Digital load current selection function (supports 1-2, W1-2, and 2-phase excitation) • Built-in high and low side diodes • Simultaneous on state prevention function (through-current prevention) • Built-in thermal shutdown circuit • Noise canceling function Specifications Absolute Maximum Ratings at Ta = 25°C Paramet...

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