AMIS-30543 Overview
AMIS-30543 Micro-Stepping Motor Driver Introduction The AMIS−30543 is a micro−stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and an SPI interface with an external microcontroller. It has an on−chip voltage regulator, reset−output and watchdog reset, able to supply peripheral devices.
AMIS-30543 Key Features
- Dual H-Bridge for 2-Phase Stepper Motors
- Programmable Peak-Current Up to 3 A
- On-Chip Current Translator
- SPI Interface
- Speed and Load Angle Output
- Eleven Step Modes from Full Step Up to 128 Micro-Steps
- Fully Integrated Current-Sense
- PWM Current Control with Automatic Selection of Fast and Slow
- Low EMC PWM with Selectable Voltage Slopes
- Active Fly-Back Diodes
AMIS-30543 Applications
- Dual H−Bridge for 2−Phase Stepper Motors
- Programmable Peak−Current Up to 3 A