AMIS-30522
Overview
The AMIS-30522/NCV70522 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.
- Dual H-Bridge for 2 Phase Stepper Motors
- Programmable Peak-Current up to 1.2 A Continuous (1.5 A Short Time), Using a 5-Bit Current DAC
- On-Chip Current Translator
- SPI Interface
- Speed and Load-Angle Output
- 7 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
