It would be awesome to run the Open BMS in a world record attempt! Sign up. Upgrading, re-use, re-purposing, open hardware bms bms8 Whenever possible, the design should consider the ability to upgrade the system to extend its technical life, re-using it on a new battery pack, re-purposing at the end open hardware bms bms8 the technical life, and recyling at the end of bmss8 useful life. Similar Projects. This is marked in the Test with H and the corresponding explanation if needed. The following list gives and example of services we offer in our research and development team at the Fraunhofer IISB : Manufacturing poen shipment of foxBMS development kits open hardware bms bms8 customized prototypes Design of electronic BMS hardware and optimization for your specific requirements Development of embedded BMS software and configuration for your specific application Modelling of battery cells electric and thermal for accurate state estimation algorithms e. To support you in the development hardwarre commercial hardware and software adaptations to specific application requirements, please contact us.

I have also attempted to sample the BMS frontend IC from Intersil which would be rather nice, however if this falls through I will purchase some to test out the design. More updates coming when the boards arrive probably weeks away now. The plan is to use the 3 switches at the bottom to naivgate and edit the menu, and use the LEDs for status of the system when the lcd is off.

Also I have a fair few of these already around. This model does not have a DMA so I will eventually be implementing an interrupt based I2C and SPI driver to help speed up communications while keeping the low power that made the IC desirable in the first place.

If space allows adding a set of LED's is also desired as a method of showing the status from a distance. This is mostly based on my previous breakout board for this IC, which was just a transfer of the EVM with only single path mode supported. Also pre-charge support is dropped due to size constraints. This design adds support for all 8 cell inputs on the IC, and converts the balancing connection to a 2x5 0.

A small 2. View all 7 project logs. Create an account to leave a comment. Specifically, did you need to connect the batteries to get the chip into "normal" mode? Are you sure? Hi, this is very interesting indeed!

I'm building a small droid and I found your project while searching for any open hardware BMS designs, especially because I'd be interested in integrating its features with the rest of the system. What is the current state of development? Would be very interested to better understand the objectives of the project and any indicative timeframe, if available. Also, in case I can help, e. How many batteries in parallel can be used? Or in other words what will limit the current here?

Albert Gonzalez. Jake Wachlin. Machinehum Ryan Walker. Become a member to follow this project and never miss any updates. About Us Contact Hackaday. Yes, delete it Cancel. You are about to report the project " Open BMS ", please tell us the reason.

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Similar projects worth following. View Gallery. Two board construction, baseboard has the actual BMS can run fully standalone once setup. Design: The system is designed around the ISL being used to control the main BMS functions, and to allow standalone functionality.

BMS The most critical features really. I recieved 7 of each, which was a nice surprise : I will be doing a small review video on the board quality as part of the deal for the free pcbs. Now its just waiting for the LCD to turn up and alot of code to write :. The AFE powered up and allowed the battery voltage out the first time! The front panel of the unit has been routed and looks to be complete. This is mostly just a microcontroller with buttons and LEDs. The rough design pass of the front end has been completed.

Thanks, Richard. Similar Projects. The architecture of foxBMS is the result of more than 15 years of development in innovative hardware and software solutions for rechargeable battery systems, redox-flow battery systems, and fuel-cell systems at Fraunhofer IISB in Erlangen Germany. Consequently, we use the hardware and software building blocks as battery management system at Fraunhofer IISB in all of our research and development projects Technical Specifications.

As a result, we provide a strong experience Open Hardware Bms Zero in designing and developing innovative solutions for advanced battery systems in the domains described hereafter. Automotive and Road Transport : Electrified Vehicles e.

Aviation and Aerospace : Gliders e. The architecture of foxBMS is the result of more than 15 years of innovation in hardware and software developments. Consequently, the foxBMS hardware and software building blocks provide unique open source BMS functions for your specific product developments Technical Specifications.

The hardware of foxBMS provides redundancy to allow a safe software development process. It enables the management of high-performance prototypes of complex lithium-ion battery systems of any size i. As a result, the redundant hardware architecture of foxBMS enables the development of battery systems requiring a high level of safety, reliability and availability.

It contains only components and devices not requiring confidential agreements to get their datasheets. The software implemented in foxBMS uses only specifically developed open source and free of charge software components and modules, or free of charge third-party software. The entire source code is provided online for free on GitHub. It also provides a graphical user interface GUI entirely programmed in Python. All foxBMS parts come without restrictions, including free and open source use, as well as closed source commercial use.

The beta-test phase involved 15 international partners in 7 countries worldwide and finished at the end of the year The latest versions of the foxBMS files include the following:. The following list gives and example of services we offer in our research and development team at the Fraunhofer IISB :. Do not hesitate to contact us by using the online form. Please do not send us commercial offers or other kind of spams. To order foxBMS development kits, simply contact us by providing your contact data including your company name and address.

We are currently working on a solution to offer the foxBMS hardware by ordering directly online. We ask you for your patience and understanding, since certification processes are costly and take time. We are currently analyzing these Open Hardware Bms Bmsner questions and are open to concrete propositions. Please do not send us offers for products or web design services. The hardware and the documentation are licensed under the Creative Commons Attribution 4.

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