Rohm BD868x0-EVK-302 Quick Start Manual
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Rohm BD868x0-EVK-302 Quick Start Manual

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QUICK START
GUIDE
Evaluation board for PMIC BD868x0
BD868x0-EVK-302
This quick start guide will help you understand the connection, operating Instructions and important notices and warnings that need to be carefully
reviewed prior to use of the board (Figure 1).
The evaluation board has been designed to be used as a daughter board (DB) in combination with the main board PMIC-MB-EVK (MB) and the
software GUI interface. It can also be operated in stand-alone mode without GUI software. The BD868x0 contains 1 primary buck converter, 2
secondary buck converters and 1 secondary LDO that can be flexibly configured via factory OTP settings.
For further information please refer to the user guide (No. 65UG013E Rev.001).
Figure 1: Evaluation board
Important Notice
This evaluation board is intended for product evaluation in a research and development context only and is not intended for resale to end
consumers and it is not authorized for end customer or household use. This board may not comply with CE or similar standards (including, but not
limited to the EMC directive 2004/EC/108) and may not fulfil other requirements of the country it will be operated in by the user. The user shall ensure
that the evaluation board will be handled in a way that is compliant with all the standards and regulations in the country it will be operated in.
© 2022 ROHM Co., Ltd.
No. 65QS003E Rev.001
1/6
July 2022

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Summary of Contents for Rohm BD868x0-EVK-302

  • Page 1 EMC directive 2004/EC/108) and may not fulfil other requirements of the country it will be operated in by the user. The user shall ensure that the evaluation board will be handled in a way that is compliant with all the standards and regulations in the country it will be operated in. © 2022 ROHM Co., Ltd. No. 65QS003E Rev.001...

  • Page 2: Quick Start

    The evaluation board provided here has only been subjected to functional testing under typical load conditions. The design of this evaluation board is tested by ROHM only as described in the user guide for this board. The design is not qualified in terms of safety requirements, manufacturing and operation over the entire operating temperature range or lifetime.

  • Page 3: Safety Precautions

    [8] Be sure to wear insulated gloves when handling is required during operation. After Use [9] The ROHM Evaluation Board contains the circuits which store the high voltage. Since it stores the charges even after the connected power circuits are cut, please discharge the electricity after using it, and please deal with it after confirming such electric discharge.
  • Page 4 Failure to do so may cause personal injury. Caution: Incorrect connection of power supplies or loads can damage the board. Carefully review the information in this document. © 2022 ROHM Co., Ltd. No. 65QS003E Rev.001 July 2022...

  • Page 5: Board Details

    Parameter Description Value Input voltage buck1 4.0 V to 18 V Download and install the ROHM EVK GUI SW for your Input voltage buck2, 3.0 V to 5 V Windows PC. The download link is Accelerometer buck3 Output voltage buck1 3.7 V...
  • Page 6 Once done, you need to press the “Confirm board” button. Now the field “EVK Connected” turns green. (3) The BD868x0-EVK-302 now starts. All status flags (WAROUTB and RSTOUTB) should be “High” now. Additionally, the GUI shows the voltage level of each output in the “ADC”...

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