Datasheet > AMIS30511C5112G

AMIS30511C5112G

更新时间： 2024-01-22 00:03:48

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
28页	386K
描述
AMIS30511C5112G

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技术参数
数据手册

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AMIS30511C5112G 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	HTS代码：	8542.31.00.01
风险等级：	5.84	JESD-609代码：	e3
湿度敏感等级：	2	端子面层：	Tin (Sn)
Base Number Matches：	1

AMIS30511C5112G 数据手册

AMIS-30511

Micro-Stepping Motor Driver

Introduction

The AMIS−30511 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. The AMIS−30511

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, step loss detection, 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−30511 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−30511 is ideally suited for general−purpose stepper

motor applications in the automotive, industrial, medical, and marine

environment.

http://onsemi.com

PIN ASSIGNMENT

TSTO

VDD

GND

CLK

NXT

DIR

ERR

SLA

CPN

CPP

VCP

VBB

MOTXP

GND

MOTXN

MOTYN

GND

MOTYP

VBB

CLR

Key Features

• Dual H−Bridge for 2−phase Stepper Motors

(Top View)

• Programmable Peak−current up to 800 mA Using a 5−bit Current

DAC

• On−chip Current Translator

ORDERING INFORMATION

• SPI Interface

• Speed and Load Angle Output

Device

AMIS30511

Package

Shipping

Tape & Reel

• Seven Step Modes from Full−step up to 32 Micro−steps

• Fully Integrated Current−sense

SOIC 24

• 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 3.3 V Microcontrollers, 5 V Tolerant Inputs

• −40°C to 125°C Temperature Range at 800 mA Peak Current

Publication Order Number:

September, 2008 − Rev. 1

AMIS−30511/D

12 3 4 5 6 7...28

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