ROHM BD14210G-EVK-001 Current Sense Amplifier Evaluation Board User Guide
- June 10, 2024
- ROHM
Table of Contents
BD14210G-EVK-001 Current Sense Amplifier Evaluation Board
User Guide
How to connect the current sense amplifier and A/D converter
This user’s guide describes how to connect the current sense amplifier
evaluation board BD14210G-EVK-001and the A/D converter evaluation
board BU79100G-LA-EVK-001.
About BD14210G-EVK-001
BD14210G-EVK-001 is an evaluation board for the current sense amplifier
BD14210G-LA. (Figure 1)
For details, please refer to the user’s guide at URL below.
https://fscdn.rohm.com/en/products/databook/applinote/ic/sensor/current
/bd14210g-evk-001_ug-e.pdf
About BU79100G-LA-EVK-001
BU79100G-LA-EVK-001 is an evaluation board for the A/D converter BU79100G-LA.
(Figure 2)
For details, please refer to the user’s guide at URL below.
https://fscdn.rohm.com/en/products/databook/applinote/ic/data_converter/dac
/bu79100g-la-evk-001_ug-e.pdf 
For IC specifications, please refer to the respective datasheets.
Preparation
– BD14210G-EVK-001……………………………. 1 pc
– BU79100G-LA-EVK-001 …………………………..1 pc
– RKX-EVK-001………………………………………………… 1 pc
– Ribbon cable included with RKX-EVK-001…………………….. 1 pc
– Micro-USB cable included with RKX-EVK-001 …………………….1 pc
– PC with the ROHM EVK GUI SW installed ……………………………. 1 pc
– External power supply ……………………………………………………………2
– Any cable for connection ………………………………………………………….Several pcs 
How to connect
-
Connect BU79100G-LA-EVK-001 and the external power supply to BD14210G-EVK-001. (Figure 4)
Note: Please use a cable that is as short as possible to connect OUT1 and AIN.
-
Connect the current wires to be measured to BD14210G-EVK-001. (Figure 5)
-
Connect BU79100G-LA-EVK-001 to RKX-EVK-001 and connect RKX-EVK-001 to PC using USB cable. (Figure 6)
It is also possible to connect BU79100G-LA-EVK-001 to RKX-EVK-001 using the ribbon cable. (Figure 7)
How to evaluate
-
Download and install ROHM EVK GUI SW from the URL below.
https://www.rohm.com/products/data-converter/a-d-converters#evalutionBoard -
Start ROHM EVK GUI SW.
-
Select ”RKX-EVK-001 / ADC EVB” from “Board” menu. (Figure 8)
-
Select the settings you want to use from “Stream” menu. (Figure 9)
-
Click “Confirm board” button. (Figure 10)
-
Input the current to be measured and the voltage from the external power supply to BD14210G-EVK-001.
Note: The default supply voltage for the A/D converter is 3.3V. Please input current so that the output of the current sense amplifier (OUT1) does not exceed 3.3V. -
Click “Streaming” button to start evaluation. (Figure 11)
For details on ROHM EVK GUI SW, please refer to the user’s guide at URL below.
https://fscdn.rohm.com/en/products/databook/applinote/ic/sensor/rohm-evk-
sw_ug-e.pdf
Notice
Notes
- The information contained herein is subject to change without notice.
- Before you use our Products, please contact our sales representative and verify the latest specifications :
- Although ROHM is continuously working to improve product reliability and quality, semiconductors can break down and malfunction due to various factors. Therefore, in order to prevent personal injury or fire arising from failure, please take safety measures such as complying with the derating characteristics, implementing redundant and fire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have no responsibility for any damages arising out of the use of our Poducts beyond the rating specified by ROHM.
- Examples of application circuits, circuit constants and any other information contained herein are provided only to illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production.
- The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the 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.
- The Products specified in this document are not designed to be radiation tolerant.
- For use of our Products in applications requiring a high degree of reliability (as exemplified below), please contact and consult with a ROHM representative : transportation equipment (i.e. cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety equipment, medical systems, servers, solar cells, and power transmission systems.
- Do not use our Products in applications requiring extremely high reliability, such as aerospace equipment, nuclear power control systems, and submarine repeaters.
- ROHM shall have no responsibility for any damages or injury arising from non-compliance with the recommended usage conditions and specifications contained herein.
- ROHM has used reasonable care to ensure the accuracy of the information contained in this document. However, ROHM does not warrants that such information is error-free, and ROHM shall have no responsibility for any damages arising from any inaccuracy or misprint of such information.
- Please use the Products in accordance with any applicable environmental laws and regulations, such as the RoHS Directive. For more details, including RoHS compatibility, please contact a ROHM sales office. ROHM shall have no responsibility for any damages or losses resulting non-compliance with any applicable laws or regulations.
- When providing our Products and technologies contained in this document to other countries, you must abide by the procedures and provisions stipulated in all applicable export laws and regulations, including without limitation the US Export Administration Regulations and the Foreign Exchange and Foreign Trade Act.
- This document, in part or in whole, may not be reprinted or reproduced without prior consent of ROHM.
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