AMIS-30522 Overview
Key Features
- Dual H-Bridge for 2-phase stepper motors
- Programmable peak-current up to 1.6A 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
