AMIS-30421 Key Features
- Dual H-Bridge Pre-Drivers for 2-Phase Stepper Motors
- Programmable Current via SPI
- On-chip Current Translator
- SPI Interface
- Speed and Load Angle Output
- 8 Step Modes from Full Step up to 64 Micro-Steps
- Current-Sense via Two External Sense Resistors
- PWM Current Control with Automatic Selection of Fast and Slow
- Low EMC PWM with Selectable Voltage Slopes
- Full Output Protection and Diagnosis