Fully integrated microstepping motor driver with motion engine and SPI

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  • The L6472 device, 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 RDS(on)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 protection. Thanks to a new current control, a 1/16 microstepping is achieved through an adaptive decay mode which outperforms traditional implementations. The digital control core can generate user defined motion profiles with acceleration, deceleration, speed or target position, easily programmed through a dedicated register set.

    All application commands and data registers, including those used to set analog values (i.e.: current control value, current protection trip point, deadtime, etc.) are sent through a standard 5-Mbit/s SPI.
    A very rich set of protections (thermal, low bus voltage, overcurrent) makes the L6472 device “bullet proof”, as required by the most demanding motor control applications.

    Key Features

    • Operating voltage: 8 - 45 V
    • 7.0 A output peak current (3.0 A r.m.s.)
    • Low RDS(on)power MOSFETs
    • Programmable speed profile
    • Programmable power MOSFET slew rate
    • Up to 1/16 microstepping
    • Predictive current control with adaptive decay
    • Non dissipative current sensing
    • SPI interface
    • Low quiescent and standby currents
    • Programmable non dissipative overcurrent protection on all power MOSFETs
    • Two levels of overtemperature protection

Circuit Diagram

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L6472HTR
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1000 2.671 HTSSOP28 Tape And Reel -40 150 EAR99
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MALAYSIA

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L6472PD
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1000 3.093 PowerSO 36 Tube -40 150 EAR99
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MALAYSIA

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L6472PDTR
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1000 3.093 PowerSO 36 Tape And Reel -40 150 EAR99
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MALAYSIA

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DIGIKEY WORLDWIDE 1871 1 Order Now
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L6472H
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1000 2.671 HTSSOP28 Tube -40 150 EAR99
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MALAYSIA

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L6472HTR

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Active

Quantity

1000

Unit Price (US$)

2.671*

Distributor availability ofL6472HTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4997 1 Order Now
ARROW EUROPE 2500 0 Order Now
Newark Element14 AMERICA 493 0 Order Now
MOUSER WORLDWIDE 139 1 Order Now
Farnell Element14 EUROPE 21 1 Order Now

Distributor reported inventory date: 2019-05-22

Distributor Name

DIGIKEY

Stock

4997

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

2500

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

493

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

139

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

21

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-05-22

Unit Price (US$)

2.671

Package

HTSSOP28

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

150

ECCN (US)

EAR99

Country of Origin

MALAYSIA

L6472PD

Marketing Status

Active

Quantity

1000

Unit Price (US$)

3.093*

Distributor availability ofL6472PD

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2074 1 Order Now
RS COMPONENTS EUROPE 118 1 Order Now
AVNET AMERICA 150 0 Order Now
ARROW EUROPE 372 0 Order Now
MOUSER WORLDWIDE 1510 1 Order Now
Farnell Element14 EUROPE 344 1 Order Now

Distributor reported inventory date: 2019-05-22

Distributor Name

DIGIKEY

Stock

2074

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

118

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

150

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

372

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

1510

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

344

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-05-22

Unit Price (US$)

3.093

Package

PowerSO 36

Packing Type

Tube

Operating Temperature (°C)

(min)

-40

(max)

150

ECCN (US)

EAR99

Country of Origin

MALAYSIA

L6472PDTR

Marketing Status

Active

Quantity

1000

Unit Price (US$)

3.093*

Distributor availability ofL6472PDTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1871 1 Order Now
AVNET AMERICA 600 0 Order Now
FUTURE WORLDWIDE 1200 600 Order Now
Newark Element14 AMERICA 119 0 Order Now
MOUSER WORLDWIDE 681 1 Order Now
Farnell Element14 EUROPE 188 1 Order Now

Distributor reported inventory date: 2019-05-22

Distributor Name

DIGIKEY

Stock

1871

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

600

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

1200

Min.Order

600

Region

WORLDWIDE Order Now

Newark Element14

Stock

119

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

681

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

188

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-05-22

Unit Price (US$)

3.093

Package

PowerSO 36

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

150

ECCN (US)

EAR99

Country of Origin

MALAYSIA

L6472H

Marketing Status

Active

Quantity

1000

Unit Price (US$)

2.671*

Distributor availability ofL6472H

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 156 1 Order Now
ARROW EUROPE 1000 0 Order Now
ARROW AMERICA 1 1000 Order Now
MOUSER WORLDWIDE 790 1 Order Now
Farnell Element14 EUROPE 376 1 Order Now

Distributor reported inventory date: 2019-05-22

Distributor Name

DIGIKEY

Stock

156

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

1000

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

1

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

790

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

376

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-05-22

Unit Price (US$)

2.671

Package

HTSSOP28

Packing Type

Tube

Operating Temperature (°C)

(min)

-40

(max)

150

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Embedded Software

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      Firmware library L6470, L6472 discovery

Evaluation Tools

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      Fully integrated stepper motor driver based on the L6472

      L6472 Discovery: development tool to explore L6472 motor driver

      Fully integrated stepper motor driver mounting the L6472 in a high power PowerSO package

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00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS8858
      Fully integrated microstepping motor driver
      5.0
      1.23 MB
      PDF
      DS8858

      Fully integrated microstepping motor driver

    • Description Version Size Action
      AN4241
      L6470 and L6472: fully integrated stepper motor drivers
      2.0
      413.44 KB
      PDF
      AN4290
      L647x, L648x and powerSTEP01 family communication protocol
      2.1
      486.67 KB
      PDF
      AN4158
      Peak current control with automatic decay adjustment and predictive current control: basics and setup
      2.1
      983.2 KB
      PDF
      AN4241

      L6470 and L6472: fully integrated stepper motor drivers

      AN4290

      L647x, L648x and powerSTEP01 family communication protocol

      AN4158

      Peak current control with automatic decay adjustment and predictive current control: basics and setup

    • Description Version Size Action
      UM1688
      EVAL6470H, EVAL6470PD, EVAL6472H and EVAL6472PD: fully integrated microstepping motor drivers
      2.0
      5.94 MB
      PDF
      UM1692
      EVAL6472H-DISC: fully integrated stepper motor driver based on the L6472 and STM32™
      2.0
      2.52 MB
      PDF
      UM2022
      SPINFamily evaluation tool
      2.0
      2.17 MB
      PDF
      UM1688

      EVAL6470H, EVAL6470PD, EVAL6472H and EVAL6472PD: fully integrated microstepping motor drivers

      UM1692

      EVAL6472H-DISC: fully integrated stepper motor driver based on the L6472 and STM32™

      UM2022

      SPINFamily evaluation tool

    • Description Version Size Action
      DT0125
      L647x slew rate control: reduce power losses and operative junction temperature
      1.0
      329.64 KB
      PDF
      DT0055
      Maintaining message synchronization with L647x, L648x, and PowerStep01 devices
      1.1
      163.38 KB
      PDF
      DT0056
      Planning for easy troubleshooting with your L647x, L648x, or PowerStep01 design
      2.0
      172.22 KB
      PDF
      DT0125

      L647x slew rate control: reduce power losses and operative junction temperature

      DT0055

      Maintaining message synchronization with L647x, L648x, and PowerStep01 devices

      DT0056

      Planning for easy troubleshooting with your L647x, L648x, or PowerStep01 design

    • Description Version Size Action
      AN3991
      How to drive multiple stepper motors with the L6470 motor driver
      2.1
      580.22 KB
      PDF
      AN4241
      L6470 and L6472: fully integrated stepper motor drivers
      2.0
      413.44 KB
      PDF
      AN4290
      L647x, L648x and powerSTEP01 family communication protocol
      2.1
      486.67 KB
      PDF
      AN4158
      Peak current control with automatic decay adjustment and predictive current control: basics and setup
      2.1
      983.2 KB
      PDF
      AN4075
      STEVAL-IFP016V2 IO-Link communication master transceiver demonstration board
      1.0
      409.41 KB
      PDF
      AN3980
      STM32 firmware library for dSPIN L6470
      1.1
      787.02 KB
      PDF
      AN3991

      How to drive multiple stepper motors with the L6470 motor driver

      AN4241

      L6470 and L6472: fully integrated stepper motor drivers

      AN4290

      L647x, L648x and powerSTEP01 family communication protocol

      AN4158

      Peak current control with automatic decay adjustment and predictive current control: basics and setup

      AN4075

      STEVAL-IFP016V2 IO-Link communication master transceiver demonstration board

      AN3980

      STM32 firmware library for dSPIN L6470

Presentations & Training Material

    • Description Version Size Action
      An introduction to electric motors 1.0
      2.23 MB
      PDF
      STSPIN L6470 and L6472 product presentation 1.0
      1.31 MB
      PDF
      STSPIN logic core basics 1.0
      1.22 MB
      PDF
      STSPIN motor drivers - Advanced current control 1.0
      769.93 KB
      PDF

      An introduction to electric motors

      STSPIN L6470 and L6472 product presentation

      STSPIN logic core basics

      STSPIN motor drivers - Advanced current control

Publications and Collaterals

    • Description Version Size Action
      STSPIN Discovery: Smoothness and precision was never so easy 1.0
      1.44 MB
      PDF

      STSPIN Discovery: Smoothness and precision was never so easy

    • Description Version Size Action
      STSPIN motor drivers 11.2017
      1.6 MB
      PDF

      STSPIN motor drivers

    • Description Version Size Action
      Motor Control Reference Guide 15.10
      2.61 MB
      PDF
      Products and solutions for Smart industry 3.0
      2.99 MB
      PDF

      Motor Control Reference Guide

      Products and solutions for Smart industry

    • Description Version Size Action
      STSPIN Motor Control: Design Considerations for Brushless Direct Current Motor Control 1.0
      5.54 MB
      PDF

      STSPIN Motor Control: Design Considerations for Brushless Direct Current Motor Control

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L6472H
Active
HTSSOP28 Industrial Ecopack2
L6472HTR
Active
HTSSOP28 Industrial Ecopack2
L6472PD
Active
PowerSO 36 Industrial Ecopack2 (**)
L6472PDTR
Active
PowerSO 36 Industrial Ecopack2 (**)

L6472H

Package:

HTSSOP28

Material Declaration**:

PDF XML

Marketing Status

Active

Package

HTSSOP28

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6472HTR

Package:

HTSSOP28

Material Declaration**:

PDF XML

Marketing Status

Active

Package

HTSSOP28

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6472PD

Package:

PowerSO 36

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSO 36

Grade

Industrial

RoHS Compliance Grade

Ecopack2 (**)

L6472PDTR

Package:

PowerSO 36

Material Declaration**:

PDF XML

Marketing Status

Active

Package

PowerSO 36

Grade

Industrial

RoHS Compliance Grade

Ecopack2 (**)

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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