Datasheet > L6470Q

L6470Q

更新时间： 2024-09-23 19:51:43

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电动机控制
页数	文件大小	规格书
61页	703K
描述
STEPPER MOTOR CONTROLLER, 7A, QCC48, 7 X 7 MM, ROHS COMPLIANT, QFN-48

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技术参数
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L6470Q 技术参数

生命周期：	Active	零件包装代码：	QFN
包装说明：	7 X 7 MM, ROHS COMPLIANT, QFN-48	针数：	48
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.64
模拟集成电路 - 其他类型：	STEPPER MOTOR CONTROLLER	JESD-30 代码：	S-XQCC-N48
功能数量：	1	端子数量：	48
最大输出电流：	7 A	封装主体材料：	UNSPECIFIED
封装代码：	QCCN	封装等效代码：	LCC48,.27SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER
电源：	3.3/5 V	认证状态：	Not Qualified
子类别：	Motion Control Electronics	最大供电电压 (Vsup)：	45 V
最小供电电压 (Vsup)：	8 V	标称供电电压 (Vsup)：	36 V
表面贴装：	YES	技术：	BIPOLAR
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	Base Number Matches：	1

L6470Q 数据手册

L6470

Fully integrated microstepping motor driver

with motion engine and SPI

Target specification

Features

■ Operating voltage: 8 - 45 V

■ 7.0 A output peak current (3.0 A r.m.s.)

■ Low R power MOSFETS

DSon

■ Programmable speed profile and positioning

■ Programmable power MOS slew-rate

■ Up to 1/128 microstepping

HTSSOP28

■ Sensorless stall detection

It integrates a dual low R

with all of the power switches equipped with an

DMOS full bridge

DSon

■ SPI interface

■ Low quiescent and standby currents

accurate on chip current sensing circuitry suitable

for non dissipative current control and overcurrent

protections. Thanks to a unique control system a

true 1/128 steps resolution is achieved. The

digital control core can generate user defined

motion profiles with acceleration, deceleration,

speed or target position easily programmed

through a dedicated registers set. All commands

and data registers, including those used to set

analogue values (i.e. current control value,

current protection trip point, dead time, PWM

frequency etc.) are sent through a standard

5Mbit/s SPI.

■ Programmable non dissipative overcurrent

protection on high and low-side

■ Two levels overtemperature protection

■ Miniaturized and thermally enhanced

packages: QFN7X7-48, HTSSOP28 and

POWERSO36

Applications

■ Bipolar stepper motor

Description

A very rich set of protections (thermal, low bus

voltage, overcurrent, motor stall) allows designing

a fully protected application, as required by most

demanding motor control applications

The L6470, realized in analog mixed signal

technology, is an advanced fully integrated

solution suitable for driving two phase bipolar

stepper motors with microstepping.

Table 1.

Device summary

Order codes

Package

Packing

L6470H

L6470Q

L6470PD

HTSSOP28

QFN7X748

Tube

Tray

POWERSO36

Tube

November 2009

Doc ID 16737 Rev 1

1/61

This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.

www.st.com

12 3 4 5 6 7...61

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