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[Design Development Outsourcing/ODM Case] Lithium-Ion Battery Control Board

A case where stable communication was achieved by optimizing the operating mode of the BLE module.

We would like to introduce a case where we developed a lithium-ion battery control board to be mounted in fan-equipped wearables. The fan operation of this wearable is controlled via a smartphone, which required us to design the interface and control to enable integration with the smartphone. Additionally, due to a short development period, it was necessary to bring the prototype to completion within a short lead time, and we were entrusted with this task because our company provides consistent support in both hardware and software design. For this product specification, there is a metal (cell) near the circuit board, which could cause issues with BLE communication, necessitating countermeasures. However, we achieved stable communication by optimizing the operating mode of the BLE module. [Our Proposals and Services] - The specifications have been changed to a 12V output, and the cell connection has been modified from 2 series and 2 parallel to 4 series, optimizing the output voltage control specifications. - The software specifications on the device allow for checking the battery level via a smartphone, and we designed the circuit and board to ensure that there is no discrepancy between the actual charging/discharging amounts and the battery level displayed on the smartphone. *For more details, please refer to the related links or feel free to contact us.

• Company：サンエス 制御システム事業部
• Price：Other

• Circuit board design and manufacturing