Part AMIS-30521
Description Micro-stepping Motor Driver
Manufacturer AMI SEMICONDUCTOR
Size 2.36 MB
AMI SEMICONDUCTOR

AMIS-30521 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 Full output protection and diagnosis Thermal warning and shutdown Compatible with 5V and 3.3V microcontrollers
  • June 2007, M-20683-001 1