AMIS-30542 Overview
Key Specifications
Package: VQFN
Mount Type: Surface Mount
Pins: 32
Operating Voltage: 12 V
Description
The AMIS-30542 is a micro-stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and a SPI interface with an external microcontroller.
Key Features
- Dual H-Bridge for 2-Phase Stepper Motors
- Programmable Peak-Current Up to 2.2 A Continuous†(5 A Short Time) Using a 5-bit Current DAC
- On-Chip Current Translator
- SPI Interface
- Speed and Load Angle Output
- Seven Step Modes from Full Step Up to 32 Micro-Steps
- Fully Integrated Current-Sense
- PWM Current Control with Automatic Selection of Fast and Slow Decay
- Low EMC PWM with Selectable Voltage Slopes
- Active Fly-Back Diodes
