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Automotive Power and Motor Drive
Evaluation Kit for Stepping Motor Driver
BD63800MUF-EVK-002
The ROHM BD63800MUF-C is an AEC-Q100 automotive qualified bipolar low-consumption stepping motor driver that is driven by
PWM current. It is suitable for Automotive applications such as Head-up Display, LED Headlight, Heat pump and Intake Air Control
Valve. This EVK enables the performance evaluation of this IC in research and development laboratories.
● Description
BD63800MUF-EVK-002 is an evaluation board for the
Automotive Stepping Motor Driver IC. Also, a GUI can be
provided by ROHM for easy SPI register configuration.
The key component of the evaluation board is the ROHM
BD63800MUF-C which have the following specifications and
features:
● BD63800MUF-C Key Specifications:
Supply voltage range............................6.0 to 28 V
➢
Output Current Rating (peak) .......................1.35 A
➢
Output Current Rating (DC) ..........................1.20 A
➢
Output On Resistance (up and down) .............0.75 Ω
➢
VCC quiescent supply current (max) ..............10 µA
➢
BD63800MUF-C operates with single power supply which can
simplify the set design.
● BD63800MUF-C Features:
CLK-IN and SPI-IN Drive mode
➢
Supported Modes:
➢
Full step, 1/2, 1/4, 1/8, 1/16 and 1/32 step
Current Decay Mode Switch Function
➢
- Mix Decay: Linear Adjustment of
Slow Decay / Fast Decay Ratio
- Auto Decay: Automatic Switch of
Slow Decay / Fast Decay
Further features and protections are referred to the datasheet.
© 2021 ROHM Co., Ltd.
Figure 1: BD63800MUF-EVK-002
● EVK Features
Plug & Play Stepping Motor Evaluation Kit
➢
Graphical User Interface application software
➢
Easy to set/read register.
[Operating System: Windows10]
External Switches for pin setting.
➢
Open or High settings
Test pins for easy signal monitoring
➢
1/13
User's Guide
No. 63UG134E Rev.002
January.2022
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Summary of Contents for Rohm BD63800MUF-EVK-002
- Page 1 Evaluation Kit for Stepping Motor Driver BD63800MUF-EVK-002 The ROHM BD63800MUF-C is an AEC-Q100 automotive qualified bipolar low-consumption stepping motor driver that is driven by PWM current. It is suitable for Automotive applications such as Head-up Display, LED Headlight, Heat pump and Intake Air Control Valve.
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Page 2: Table Of Contents
Instructions for Safe Use ........................... 4 Hardware Description ............................ 5 Schematic ............................. 5 PCB Layout and Component Placement ....................... 6 Bill of Materials ............................9 Operating Instructions ..........................10 Hardware ............................10 Software ............................. 12 © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 2/13 January.2022... -
Page 3: Introduction
BD63800MUF-EVK-002 Introduction This evaluation kit (EVK) manual describes the usage of ROHM’s BD63800MUF-EVK-002. The purpose of the EVK is to allow the test and evaluation of the stepping motor driver IC BD63800MUF-C in professional research and development environments. This document provides guidelines to quickly setup the hardware and software for fast and easy stepping motor driver IC performance evaluation. -
Page 4: Safety Instructions
▪ Take care to monitor the PCB and IC temperatures in particular when operating with high power loads and do not ▪ exceed the absolute maximum ratings of all components. © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 4/13 January.2022... -
Page 5: Hardware Description
User’s Guide BD63800MUF-EVK-002 Hardware Description 3.1 Schematic Figure 3: Evaluation Board Schematic © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 5/13 January.2022... -
Page 6: Pcb Layout And Component Placement
The focus is more on enabling easy test by adding test points to each signal. All pictures are viewed as seen from TOP side. Figure 4: TOP side PCB with Pads and Silkscreen Figure 5: Bottom side with Pads and Silkscreen © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 6/13... - Page 7 User’s Guide BD63800MUF-EVK-002 Figure 6: Top layer Figure 7: 2 layer © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 7/13 January.2022...
- Page 8 User’s Guide BD63800MUF-EVK-002 Figure 8: 3 layer Figure 9: Bottom layer © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 8/13 January.2022...
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Page 9: Bill Of Materials
IC EEPROM 64KBIT I2C 8SOIC IC BUF NON-INVERT 5.5V 74LVC4T3144PW-Q10J 14TSSOPLINEAR 3.3V 500MA 8SOIC TPS77533D IC REG LINEAR 3.3V 500MA 8SOIC ECS-240-20-23A-EN-TR CRYSTAL 24.0000MHZ 20PF SMD Table 1: Evaluation Board Bill of Materials © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 9/13 January.2022... -
Page 10: Operating Instructions
To make sure the correct connection, please check the install manual of the load. Connect Clock Signal Generator to CLK terminal. [Option: In case of use the CLK terminal] Figure 10: BD63800MUF-EVK-002 Setup © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 10/13 January.2022... - Page 11 Please operate the EVK at room temperature only. The maximum load current should be limited by thermal performance of the components. Please take care to measure the temperature of the EVK components when applying your desired settings and load. © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 11/13 January.2022...
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Page 12: Software
Interface) software is enabled to set command and read status register easily. Followings are the setting parameter examples on the software. For detail of the software manual, receiving software, please contact to your ROHM sales office or use the general ROHM customer support system. - Page 13 User’s Guide BD63800MUF-EVK-002 Revision History Date Revision Number Description 2022. 2 New Release © 2021 ROHM Co., Ltd. No. 63UG134E Rev.002 13/13 January.2022...
- Page 14 Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM or any other parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of such technical information.
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