Datasheet > NCV70628

NCV70628

更新时间： 2024-11-07 01:20:11

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
58页	514K
描述
Micro-stepping Motor Driver

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NCV70628 数据手册

NCV70628

Micro-stepping Motor Driver

Introduction

The NCV70628 is a single−chip micro−stepping motor driver with

position controller and control/diagnostic interface. It is ready to build

dedicated mechatronics solutions connected remotely with a LIN master.

The chip receives positioning instructions through the bus and

subsequently drives the motor coils to the desired position. The on−chip

position controller is configurable (OTP or RAM) for different motor

types, positioning ranges and parameters for speed, acceleration and

deceleration. The NCV70628 acts as a slave on the LIN bus and the

master can fetch specific status information like actual position, error

flags, etc. from each individual slave node.

www.onsemi.com

An integrated sensor−less step−loss detection prevents the positioner

from loosing steps and stops the motor when running into stall. This

enables silent, yet accurate position calibrations during a referencing

run and allows semi−closed loop operation when approaching the

mechanical end−stops.

QFN32, 5x5x1

CASE 484AB

ORDERING INFORMATION

The chip is implemented in I3T50 technology, enabling both high

voltage analog circuitry and digital functionality on the same chip. The

NCV70628 is fully compatible with the automotive voltage

requirements. Due to the technology, the device is especially suited for

use in applications with fluctuating battery supplies.

See detailed ordering, marking and shipping information in the

package dimensions section on page 2 of this data sheet.

PRODUCT FEATURES

Motordriver

• Micro−stepping Technology

• Sensorless Step−loss Detection

• Peak Current up to 800 mA

• Low Temperature Boost Current up to 1100 mA

Protection

• Programmable Current Stabilization Phase

• Fixed Frequency PWM Current−control

• Automatic Selection of Fast and Slow Decay Mode

• No External Fly−back Diodes Required

• Compliant with 14ꢀV Automotive Systems

• Overcurrent Protection

• Open−circuit Detection

• High Temperature Warning and Management

• Low Temperature Flag

• LIN Bus Short−circuit Protection to Supply and Ground

• Lost LIN Safe Operation

• Enhanced Under Voltage Management

Controller with RAM and OTP Memory

• Position Controller

• Configurable Speeds and Acceleration

• Input to Connect Optional Motion Switch

Power Saving

• Powerdown Supply Current < 150 mA

• 3.3 V Regulator with Wake−up On LIN Activity

LIN Interface

• Physical Layer Compliant to LIN rev. 2.2. Data−link

Layer Compatible with LIN rev. 2.2

• Field−programmable Node Addresses

• Dynamically Allocated Identifiers

EMI Compatibility

• LIN Bus Integrated Slope Control

• HV Outputs with Slope Control

• This is a Pb−Free Device

• Diagnostics and Status Information

Publication Order Number:

December, 2017 − Rev. 0

NCV70628/D

12 3 4 5 6 7...58

中文翻译

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