AMIS-30522 - Micro-stepping Motor Driver
Table 2: Pin List and Description Name Pin Description DO 31 SPI data output VDD 32 Logic supply output (needs external decoupling capacitor) GND 1 Ground, heat sink DI 2 SPI data in www.DataSheet4U.com CLK 3 SPI clock input NXT 4 Next micro-step input DIR 5 Direction input ERRB 6 Error output SLA 7
AMIS-30522 Micro-stepping Motor Driver Data Sheet 1.0 Introduction The AMIS-30522 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.
It has an on-chip voltage regulator, reset-output and watchdog reset, able to supply peripheral devices.
AMIS-30522 contains a current-translation table and takes the next micro-step depending on the clock signal on the “NXT” input pin and the status of
AMIS-30522 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
* Full
