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AMIS-30521ANA

更新时间： 2024-02-24 05:13:20

品牌	Logo	应用领域
AMI		驱动器运动控制电子器件信号电路电动机控制电机
页数	文件大小	规格书
26页	1592K
描述
Micro-stepping Motor Driver

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技术参数
数据手册

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AMIS-30521ANA 技术参数

生命周期：	Transferred	零件包装代码：	QFP
包装说明：	7 X 7 MM, QFP-32	针数：	32
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.32
Is Samacsys：	N	模拟集成电路 - 其他类型：	STEPPER MOTOR CONTROLLER
JESD-30 代码：	S-XQCC-N32	长度：	7 mm
功能数量：	1	端子数量：	32
最高工作温度：	85 °C	最低工作温度：	-40 °C
最大输出电流：	1.6 A	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	认证状态：	Not Qualified
座面最大高度：	0.9 mm	最大供电电压 (Vsup)：	30 V
最小供电电压 (Vsup)：	6 V	标称供电电压 (Vsup)：	12 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.65 mm
端子位置：	QUAD	宽度：	7 mm
Base Number Matches：	1

AMIS-30521ANA 数据手册

AMIS-30521 Micro-stepping Motor Driver

Data Sheet

1.0 Introduction

The AMIS-30521 is a micro-stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and an

SPI interface with an external microcontroller. The AMIS-30521 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-30521 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-30521 is ideally suited for general-purpose stepper motor applications in the automotive, industrial, medical, and marine

environment.

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

3.0 Ordering information

Table 1: Ordering Information

Ordering Code

Tubes

Ordering Code

Tapes

Part No.

Package

Peak Current

Temp. Range

AMIS-30521 ANA

NQFP-32 (7 x 7mm)

1600mA

-40°C…..125°C

0C521-001-XTD

0C521-001-XTP

AMI Semiconductor – June 2007, M-20683-001

www.amis.com

12 3 4 5 6 7...26

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