ST X-NUCLEO-IHM12A1 Manuale utente

October 2016

DocID029794 Rev 1

1/14

www.st.com

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User manual

Getting started with the X-NUCLEO-IHM12A1 low voltage dual brush

DC motor driver expansion based on STSPIN240 for STM32 Nucleo

Introduction

The X-NUCLEO-IHM12A1 is a low voltage dual brush DC motor driver expansion board based on the

STSPIN240 for STM32 Nucleo.

It provides an affordable and easy-to-use solution for the implementation of portable motor driving

applications such as thermal printers, robotics and toys.

Thanks to its programmable current limiter and complete set of protection features, it offers high levels

of performance and robustness.

The X-NUCLEO-IHM12A1 is compatible with the Arduino UNO R3 connector and most STM32 Nucleo

boards.

Figure 1: X-NUCLEO-IHM12A1 expansion board for STM32 Nucleo

Contents

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Contents

1Hardware and software requirements............................................5

2Getting started.................................................................................6

3Hardware description and configuration.......................................7

3.1 Selecting the STM32 Nucleo board...................................................8

3.2 Selecting reference voltage...............................................................8

4Bill of materials..............................................................................10

5Schematic diagram........................................................................12

6Revision history ............................................................................13

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List of tables

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List of tables

Table 1: Arduino UNO R3 connector table.................................................................................................7

Table 2: ST morpho connector table ..........................................................................................................8

Table 3: J1 connector, switches and test points.........................................................................................8

Table 4: Reference voltage selection .........................................................................................................9

Table 5: Document revision history ..........................................................................................................13

List of figures

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List of figures

Figure 1: X-NUCLEO-IHM12A1 expansion board for STM32 Nucleo........................................................1

Figure 2: X-NUCLEO-IHM02A1 switch and connectors positions..............................................................7

Figure 3: X-NUCLEO-IHM12A1 circuit schematic....................................................................................12

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Hardware and software requirements

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1 Hardware and software requirements

The main features of the X-NUCLEO-IHM12A1 expansion board are:

Low voltage range from 1.8 V to 10 V

Current up to 1.3 A r.m.s

Current control with adjustable off-time

Full protection overcurrent and short-circuit protection

Low RDS(ON) power stage (HS + LS = 0.4 Ω typ.)

Thermal shutdown

Compatible with Arduino UNO R3 connector

Compatible with STM32 Nucleo boards

Connection for two independent DC motors

RoHS compliant

To use the STM32 Nucleo development boards with the X-NUCLEO-IHM12A1 expansion

board, the following software and hardware specifications are required:

an STM32 Nucleo development board (NUCLEO-F401RE, NUCLEO-F334R8,

NUCLEO-F030R8 or NUCLEO-L053R8)

an X-NUCLEO-IHM12A1 expansion board

the X-CUBE-SPN12 software package (available on www.st.com)

a PC/Laptop with Microsoft Windows (7 and above) to install the software package (X-

CUBE-SPN12)

a type A USB to mini-B USB cable to connect the STM32 Nucleo board to the

PC/Laptop

an IDE chosen from among IAR Embedded Workbench for ARM (EWARM), Keil

microcontroller development kit (MDK-ARM) and system workbench for STM32

Nucleo project

up to two dual brush DC motors with compatible voltage and current ratings for the

STSPIN240 driver

an external power supply or external battery able to provide the right voltage for the

DC motor used.

Getting started

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2 Getting started

The X-NUCLEO-IHM12A1 expansion board is a low voltage dual brush DC motor driver

covering a wide range of applications.

The maximum ratings of the expansion board are:

Power stage supply voltage (VS) from 1.8 V to 10 V

Motor phase current up to 1.3 A rms.

To start your project with the expansion board:

1. Check the jumper position based on your configuration.

2. Connect the X-NUCLEO-IHM12A1 to the STM32 Nucleo board through Arduino UNO

R3 Connectors (CN5, CN6, CN8 and CN9).

3. Supply the board through the input 5 (Vin) and 6 (GND) of the connector J1. The D5

(red) LED will turn on.

4. Develop your application using the examples provided with the firmware library (X-

CUBE-SPN12).

Visit www.st.com for supporting material regarding the STSPIN240 Low voltage dual brush

DC motor driver and www.st.com/stm32nucleo.

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Hardware description and configuration

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3 Hardware description and configuration

Figure 2: X-NUCLEO-IHM02A1 switch and connectors positions

Table 1: Arduino UNO R3 connector table

Connector

Pin(1)

Signal

Remarks

CN5

REF

See Section 3.2: "Selecting reference voltage"

RESET

Ground

CN9

ENABLE

PWMB

PWMA

PHA

PHB

VDD

CN6

Ground

CN5

REF

See Section 3.2: "Selecting reference voltage"

Notes:

(1)All the non-listed pins are not connected

Hardware description and configuration

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Table 2: ST morpho connector table

Connector

Pin(1)

Signal

Remarks

CN10

Ground

RESET

REF

See Section 3.2: "Selecting reference voltage"

PHB

PHA

PWMA

PWMB

ENABLE

CN7

VDD

Ground

REF

See Section 3.2: "Selecting reference voltage"

Notes:

(1)All the non-listed pins are not connected

Table 3: J1 connector, switches and test points

Name

Label

Description

5 - 6

Vin - GND

Motor power supply

1 - 2

B+, B-

Motor B phases connection

3 - 4

A+, A-

Motor A phases connection

TP1

GND

Ground

TP2

VIN

Motor power supply

TP3

VDD

Digital power supply (by default 3.3 V coming from STM32

Nucleo board)

3.1 Selecting the STM32 Nucleo board

The X-NUCLEO-IHM12A1 expansion board offers native support for the following STM32

Nucleo development boards:

NUCLEO-F401RE

NUCLEO-F334R8

NUCLEO-F030R8

NUCLEO-L053R8

3.2 Selecting reference voltage

The reference voltage for the current limiter circuitry of the STSPIN240 can be selected

through dedicated resistors shown below.

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Hardware description and configuration

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Table 4: Reference voltage selection

Signal

R22

R23

Connector

Remarks

REF

200 kΩ

Not mounted

CN8 pin1

Default

NUCLEO-F401RE or

NUCLEO-F334R8 or

NUCLEO-L053R8

REF

Not mounted

200 kΩ

CN5 pin1

NUCLEO-F030R8

These signals must be used by all expansion boards stacked on the X-NUCLEO-

IHM12A1.

Bill of materials

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4 Bill of materials

Item

Q.ty

Reference

Value

Description

Part number

Manufacturer

CN5

SSQ-110-04-

F-S

HEADER

SSQ-110-04-F-S

SAMTEC

CN6,CN9

SSQ-108-04-

F-S

HEADER

SSQ-108-04-F-S

SAMTEC

CN7,CN10

HEADER

ESQ-119-24-G-D

SAMTEC

CN8

SSQ-106-04-

F-S

HEADER

SSQ-106-04-F-S

SAMTEC

3.3nF, 50V,

±15%

CER, 603

3.3NF_50V_X7R_0603

N.A.

2.2µF, 16V,

±20%

CER, 603

2.2UF_16V_X5R_0603

N.A.

NP, 16V,

±20%

ALU,

D5_H11_P2

860010372002

WURTH

ELECTRONIK

22µF, 16V,

±20%

ALU,

L4.5_W4.5

865080340003

WURTH

ELECTRONIK

1nF, 50V,

±15%

CER, 603

1NF_50V_X5R_0603

N.A.

10nF, 50V,

±15%

CER, 603

10NF_50V_X7R_0603

N.A.

22nF, 50V,

±5%

CER, 603

22NF_50V_X7R_0603

N.A.

2.2nF, 50V,

±15%

CER, 603

2.2NF_50V_X7R_0603

N.A.

D1,D2,D3,D4

YELLOW

LED, 805

150080YS75000

WURTH

ELEKTRONIK

RED

LED, 805

150080RS75000

WURTH

ELEKTRONIK

691241510006

SCREW

691241510006

WURTH

ELEKTRONIK

M1,M2,M3

OPTICAL_TA

RGET

OPTICAL_T

ARGET

OPTICAL_TARGET

N.A.

0R, 1/8W, ±5%

RES, 805

0R_5%_0805

N.A.

R2,R23

RES, 603

R_NP_0603

N.A.

18kΩ, 1/10W,

±5%

RES, 603

18K_5%_0603

N.A.

39kΩ, 1/10W,

±5%

RES, 603

39K_5%_0603

N.A.

R5,R16,R17,R18,

R19,R20

330Ω, 1/10W,

±5%

RES, 603

330R_5%_0603

N.A.

R6,R7,R8,R9

0R68, 1/3W,

±1%

RES, 805

0R68_1%_0805_0.33W

N.A.

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