Datasheet > NCV70501

NCV70501

更新时间： 2024-11-05 12:27:07

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器电机
页数	文件大小	规格书
22页	290K
描述
Micro-Stepping Motor Driver

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NCV70501 数据手册

NCV70501

Micro-Stepping Motor

Driver

Introduction

NCV70501 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 NCV70501 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 an error message if

stall, an electrical error or an elevated junction temperature is detected.

It is using a proprietary PWM algorithm for reliable current control.

NCV70501 is fully compatible with the automotive voltage

requirements and is ideally suited for general−purpose low current

range stepper motor applications in the automotive, industrial,

medical, and marine environment.

http://onsemi.com

MARKING

DIAGRAM

NCV70501−2G

AWLYWW

SOIC−16

CASE 751B

= Assembly Location

= Wafer Lot

= Year

Features

= Work Week

= Pb−Free Package

• Dual H−Bridge for 2−Phase Stepper Motors

• Programmable Peak−Current Up to 300 mA

• On−Chip Current Translator

PINOUT

• SPI Interface With Daisy Chain Capability

• 6 Step Modes from Full−Step up to 16 Micro−Steps

• Fully Integrated Current−Sensing and Current−Regulation

TST

CSB

• On Chip Stall Detection

MOTXP

• PWM Current Control with Automatic Selection of Fast and Slow

Decay

14 MOTXN

• Fixed PWM Frequency

• Active Fly−Back Diodes

GND

VBB

GND

CLK

• Full Output Protection and Diagnosis

• Thermal (Warning and) Shutdown

NXT

MOTYP

• Compatible with 3.3 V Microcontrollers, 5 V Tolerant Inputs, 5 V

Tolerant Open Drain Outputs

DIR

MOTYN

RHB

• Reset Function

• NCV Prefix for Automotive and Other Applications Requiring

Unique Site and Control Change Requirements; AEC−Q100

Qualified and PPAP Capable

ERRB

• These Devices are Pb−Free and are RoHS Compliant

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 3 of this data sheet.

Publication Order Number:

March, 2013 − Rev. 2

NCV70501/D

12 3 4 5 6 7...22

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