PT12477 Description
The PT12477 is a monolith integrated motor driver designed for printers, scanners, and home or office automated equipment. The dual H-bridge drivers are consisting by all of N-channel MOSFETs, and designed to drive a 4-wires bipolar stepper motor. The output driving current of the PT12477 allows up to 1.6 Amps (mounted on dual layer PCB with proper heatsinking, VM=24V, TA=25°C).
PT12477 Key Features
- Automotive AEC-Q100 Grade 1 (-40℃~+125℃) Qualified
- 7.4-V to 45-V supply voltage range
- Dual H-bridge driver for bipolar stepper motor
- PWM chopping constant current regulation
- Built-In micro stepping sequencer
- Multiple micro steps, Full, 1/2, 1/4, 1/8, 1/16
- STEP and DIR logic inputs can control stepping
- Winding current decay modes
- Mixed Decay
- Slow Decay