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Preliminary
PT12465A
CLK-in, 16V/0.8A stepping motor driver
DESCRIPTION
The PT12465A is a stepping motor driver, the Hbridges output current controlled by PWM constantcurrent topology. Built-in micro-step sequencer could generate sinusoidal output current to the stepping motor by a single clock input.
The PT12465A support multiple excitation modes such as 2-phase, 1-2-phase, W1-2-phase and 2W1-2 phase mode. The motor rotation revs determinate by the clock frequency applies on CK pin and excitation mode, the CW/CCW pin logic level determinate bipolar stepping motor in forward or reverse direction.