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參數(shù)資料
| 型號： | L6470PD |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 7 A, PDSO36 |
| 封裝： | ROHS COMPLIANT, SSOP-36 |
| 文件頁數(shù)： | 1/61頁 |
| 文件大?。?/td> | 703K |
| 代理商： | L6470PD |
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Target specification
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.
November 2009
Doc ID 16737 Rev 1
1/61
61
L6470
Fully integrated microstepping motor driver
with motion engine and SPI
Features
■ Operating voltage: 8 - 45 V
■ 7.0 A output peak current (3.0 A r.m.s.)
■ Low RDSon power MOSFETS
■ Programmable speed profile and positioning
■ Programmable power MOS slew-rate
■ Up to 1/128 microstepping
■ Sensorless stall detection
■ SPI interface
■ Low quiescent and standby currents
■ 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
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 RDSon DMOS full bridge
with all of the power switches equipped with an
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.
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
HTSSOP28
Table 1.
Device summary
Order codes
Package
Packing
L6470H
HTSSOP28
Tube
L6470Q
QFN7X748
Tray
L6470PD
POWERSO36
Tube
相關(guān)PDF資料 |
PDF描述 |
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| L6566BTR | 0.8 A POWER FACTOR CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO16 |
| L6706 | SWITCHING REGULATOR, QCC40 |
| L6717 | DUAL SWITCHING CONTROLLER, 575 kHz SWITCHING FREQ-MAX, QCC48 |
| L6728HTR | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO10 |
| L6728H | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO10 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6470PDTR | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 dSPIN 7.0A 8 - 45 V DMOS Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| L64710GC-30 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Encoder/Decoder |
| L64710GC-40 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Encoder/Decoder |
| L64710GM-25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Encoder/Decoder |
| L64710GM-30 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Encoder/Decoder |
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