Datasheet > AMIS-30522ANA

AMIS-30522ANA

更新时间： 2024-02-24 11:35:24

品牌	Logo	应用领域
AMI		驱动器电动机控制电机
页数	文件大小	规格书
28页	1713K
描述
Micro-stepping Motor Driver

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AMIS-30522ANA 数据手册

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 the “DIR” (=direction) register or input pin. The chip provides a so-called “speed and load angle” output. This

allows the creation of stall detection algorithms and control loops based on load-angle to adjust torque and speed. It is using a

proprietary PWM algorithm for reliable current control.

The AMIS-30522 is implemented in I2T100 technology, enabling both high-voltage analog circuitry and digital functionality on the same

chip. The chip is fully compatible with the automotive voltage requirements.

The AMIS-30522 is ideally suited for general-purpose stepper motor applications in the automotive, industrial, medical, and marine

environment. With the on-chip voltage regulator it further reduces the BOM for mechatronic stepper applications.

2.0 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

Integrated 5V regulator to supply external microcontroller

Integrated reset function to reset external microcontroller

Integrated watchdog function

3.0 Ordering information

Table 1: Ordering Information

Ordering Code

Tubes

0C522-001-XTD

Ordering Code

Tapes

0C522-001-XTP

Part No.

Package

NQFP-32 (7 x 7mm)

Peak Current

Temp. Range

AMIS-30522 ANA

1600mA

-40°C…..125°C

AMI Semiconductor – June 2007, M-20684-001

www.amis.com

12 3 4 5 6 7...28

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