Datasheet > EVAL6470H

EVAL6470H

更新时间： 2024-02-21 01:36:57

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电机驱动
页数	文件大小	规格书
70页	743K
描述
dSPIN fully integrated microstepping motor driver with motion engine and SPI

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数据手册

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EVAL6470H 数据手册

L6470

dSPIN™ fully integrated microstepping motor driver with motion

engine and SPI

Datasheet − production data

Features

■ Operating voltage: 8 - 45 V

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

■ Low R_DS(on)Power MOSFETs

■ Programmable speed profile and positioning

■ Programmable power MOS slew rate

■ Up to 1/128 microstepping

POWERSO36

HTSSOP28

■ Sensorless stall detection

power switches equipped with an accurate on-

chip current sensing circuitry suitable for non-

dissipative current control and overcurrent

protection. 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, deadtime, PWM

frequency, etc.) are sent through a standard 5-

Mbit/s SPI. A very rich set of protections (thermal,

low bus voltage, overcurrent, motor stall) allows

the design of a fully protected application, as

required by the most demanding motor control

applications.

■ SPI interface

■ Low quiescent and standby currents

■ Programmable non-dissipative overcurrent

protection on high and low-side

■ Two-levels of overtemperature protection

Applications

■ Bipolar stepper motors

Description

The L6470, realized in analog mixed signal

technology, is an advanced fully integrated

solution suitable for driving two-phase bipolar

stepper motors with microstepping. It integrates a

dual low R_DS(on)DMOS full-bridge with all of the

Table 1.

Device summary

Order codes

Package

Packaging

L6470H

L6470HTR

L6470PD

HTSSOP28

Tube

Tape and reel

Tube

POWERSO36

L6470PDTR

Tape and reel

December 2012

Doc ID16737 Rev 5

1/70

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...70

中文翻译

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