ROHM-STEPMO_EVK_207 datasheet, PDF

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ROHM-STEPMO_EVK_207: DescriptionPower management IC development tool Stepper Mtr Drvr IC For BD63843EFV; CategoryEmbedded solution Engineering tools Power management IC development tools; File Size1MB，21 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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Power management IC development tool Stepper Mtr Drvr IC For BD63843EFV

ROHM-STEPMO_EVK_207 Parametric

Parameter Name	Attribute value
Maker	ROHM Semiconductor
Product Category	Power Management IC Development Tools
product	Evaluation Kits
type	Motor / Motion Controllers & Drivers
Tools for assessment	BD63843EFV
Input voltage	28 V
Encapsulation	Bulk
Output current	1 A
Factory packaging quantity	1
unit weight	100 g

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EVALUATION BOARD MANUAL

Motor Driver

Stepper Motor Driver IC EVK

STEPMO_EVK_20x

ROHM Stepper Motor Driver IC Evaluation Kit based on Arduino/Genuino Platform

Abstract

This evaluation board manual describes the

usage of ROHM’s stepper motor driver IC

evaluation kit (EVK) called STEPMO_EVK_20x.

It is designed as a plug-in board (Shield) for

popular Arduino microcontroller platform. This

document provides guidelines to quickly setup

the hardware and software for fast and easy

stepper motor driver IC performance evaluation.

●

EVK Key Specifications (Across Model Versions)



Input voltage range…………………..……8~42V



Maximum Output Current Range..........1A~2.5A



Stepping Modes……………………. ,½,¼,⅛,

Description of Supported ICs

This EVK supports a variety of pin-compatible

ROHM stepper motor driver ICs from standard,

microstep, low voltage and high voltage families

with CLK-IN (clock input) or PARA-IN (parallel

input)

control.

They

integrate

PWM

constant-current drive with adjustable decay ratio

and the ability for full, half and microstepping.

The ICs feature single supply operation by

integrating the voltage regulator for the low

power logic together with highly efficient DMOS

output power stages. These do not require an

internal charge pump so the motor drivers

achieve low EMI performance. The motor drivers

integrate various protection functions such as

Ghost Supply Prevention (GSP), Thermal

Shutdown (TSD), Over-Current Protection

(OCP), Under / Over Voltage Lockout (UVLO /

OVLO) high ESD resistance and Pin Short

Protection for robust and reliable operation. The

ICs are housed in compact HTSSOP-B28 power

packages. For further details, please also consult

the

relevant

product

datasheets

http://www.rohm.com.

●

EVK Features



Designed as plug-in Shield for Arduino platform



Recommended: Arduino Uno



Several model variants covering wide range of

pin- compatible stepper driver ICs



Support of bipolar or unipolar stepper motors



Adjustable current limit



Adjustable current decay mode



Single supply operation



Stackable design to allow controlling two motors

at the same time



Reverse power supply protection



Software library for Arduino IDE



Arduino example programs (Sketches)



Visit

http://www.rohm.com/web/eu/arduino-stepper-motor-shield

for details

www.rohm.com

1/20

EUDC59-U-002 - Rev. 1.3

STEPMO_EVK_20x

Evaluation Board Manual

Table of Contents

Cover Page...............................................................................................................................................................................1

●

Abstract ............................................................................................................................................................................. 1

●

Description of Supported ICs ............................................................................................................................................. 1

●

EVK Key Specifications (Across Model Versions) ............................................................................................................. 1

●

EVK Features .................................................................................................................................................................... 1

Safety Instructions .................................................................................................................................................................... 3

1.1

Warnings ............................................................................................................................................................................... 3

1.2

Instructions for Safe Use ....................................................................................................................................................... 3

Introduction ............................................................................................................................................................................... 4

2.1

Block Diagram ....................................................................................................................................................................... 4

2.2

Model Overview .................................................................................................................................................................... 5

Hardware Description ............................................................................................................................................................... 5

3.1

Schematic ............................................................................................................................................................................. 6

3.2

Bill of Materials ...................................................................................................................................................................... 8

Setup Instruction ....................................................................................................................................................................... 9

4.1

Hardware .............................................................................................................................................................................. 9

●

Master/Slave Mode ............................................................................................................................................................ 9

●

Current Limitation Value ...................................................................................................................................................11

●

Current Decay Mode ....................................................................................................................................................... 12

●

Supply and Motor Connection ......................................................................................................................................... 13

●

Connection to Microcontroller Motherboard ..................................................................................................................... 14

4.2

Software .............................................................................................................................................................................. 15

●

Installation Procedure ...................................................................................................................................................... 15

●

Content of the Software Delivery Package ...................................................................................................................... 16

●

DEMO Sketch .................................................................................................................................................................. 16

●

Library function description / FAQ.................................................................................................................................... 17

www.rohm.com

2/20

EUDC59-U-002 - Rev. 1.3

STEPMO_EVK_20x

2. Introduction

Evaluation Board Manual

This evaluation board manual describes the usage of ROHM’s stepper motor driver IC evaluation kit (EVK) called

STEPMO_EVK_20x. The purpose of the EVK is to allow the test and evaluation of the stepper driver IC in professional research and

development environments. It is designed as a plug-in board (Shield) for popular Arduino microcontroller platform. This document

provides guidelines to quickly setup the hardware and software for fast and easy stepper motor driver IC performance evaluation.

For further details about the motor driver ICs and other ROHM products, please also consult the relevant product datasheets and

general information at

http://www.rohm.com.

The EVK provided by ROHM consists of hardware and software. This document refers to hardware revision 1605.

Please check

http://www.rohm.com/web/eu/arduino-stepper-motor-shield

for downloading additional useful information such as

application notes, Gerber files, schematics, bill of materials, software libraries, example programs etc.

For operation of the EVK an Arduino motherboard is required. For all tests and performance evaluation by ROHM the EVK has been

used together with an Arduino Uno R3 motherboard.

Arduino (also Genuino) is an open-source electronics microcontroller platform based on easy-to-use hardware and software.

The concept of Arduino includes a defined IO and Power pinning which allows the easy connection of daughter application boards

into the microcontroller mother board. These plug-in boards are also called Shields. The microcontroller programs created using the

Arduino IDE are called Sketches. For more information about Arduino please visit

https://www.arduino.cc/.

Of course, the EVK hardware can be operated with any other microcontroller platform if desired if this is preferred for evaluation of

the IC performance. For this case the required information about the necessary IO and power signals is also provided within this

document.

2.1 Block Diagram

A block diagram of the EVK hardware is depicted in Figure 1. The motor voltage applied to screw terminal J6 is also the supply for

the motor driver IC. For single supply operation a Buck regulator creates a 7V input voltage for the Arduino motherboard (Vin) which

again uses this voltage to create the logic supplies of 5V/3.3V. Therefore it is not necessary to power the microcontroller board

separately. The 5V created by the Arduino motherboard is used by the EVK to supply logic blocks and voltage levels to configure the

stepper motor driver IC.

The EVK is designed to be stackable to allow evaluating two stepper driver ICs at the same time. For this purpose the Jumper J1 is

used to configure the board from Master (default, used for the first Shield) and Slave (only used for a second stacked Shield). As

Slave the Buck Regulator is turned off with high impedance output because the Vin Voltage is already generated by the Master

Shield.

Based on the setting of J1 the control signals for the motor driver IC are routed via multiplexers to different Arduino IOs to allow

independent motor drive. The Master or Slave configuration is indicated by an LED (Master: green, Slave red).

The screw terminal J7/J8 allows the connection of a 4-wire bipolar or a 5-to-6-wire unipolar stepper motor.

Figure 1: EVK Shield Block Diagram

www.rohm.com

4/20

EUDC59-U-002 - Rev. 1.3

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Description	Power management IC development tool Stepper Mtr Drvr IC For BD63843EFV	Power management IC development tool Stepper Mtr Driver IC For BD63524AEFV	Power management IC development tool Stepper Mtr Drvr IC For BD63875EFV	Power management IC development tool Stepper Mtr Drvr IC For BD63710AEFV	Power management IC development tool Stepper Mtr Drvr IC For BD63715AEFV	Power management IC development tool Stepper Mtr Drvr IC For BD63872EFV	Power management IC development tool Stepper Mtr Driver IC For BD63520AEFV	Power management IC development tool Stepper Mtr Drvr IC For BD6425EFV	Power management IC development tool Stepper Mtr Drvr IC For BD63873EFV	Power management IC development tool Stepper Mtr Drvr IC For BD63876EFV
Maker	ROHM Semiconductor	ROHM Semiconductor	ROHM Semiconductor	ROHM Semiconductor	ROHM Semiconductor	ROHM Semiconductor	ROHM Semiconductor	ROHM Semiconductor	ROHM Semiconductor	ROHM Semiconductor
Product Category	Power Management IC Development Tools	Power Management IC Development Tools	Power Management IC Development Tools	Power Management IC Development Tools	Power Management IC Development Tools	Power Management IC Development Tools	Power Management IC Development Tools	Power Management IC Development Tools	Power Management IC Development Tools	Power Management IC Development Tools
Encapsulation	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk	Bulk
product	Evaluation Kits	Evaluation Kits	Evaluation Boards	-	Evaluation Kits	-	Evaluation Kits	Evaluation Boards	-	-
type	Motor / Motion Controllers & Drivers	Motor / Motion Controllers & Drivers	Motor / Motion Controllers & Drivers	-	Motor / Motion Controllers & Drivers	-	Motor / Motion Controllers & Drivers	Motor / Motion Controllers & Drivers	-	-
Tools for assessment	BD63843EFV	BD63524AEFV	BD63875EFV	-	BD63715AEFV	-	BD63520AEFV	BD6425EFV	-	-
Input voltage	28 V	8 V to 28 V	19 V to 28 V	-	28 V	-	8 V to 28 V	19 V to 42 V	-	-
Output current	1 A	2.5 A	1.5 A	-	1.5 A	-	2 A	1.5 A	-	-

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