2-Channel Isolated CAN FD Expansion HAT - Cover Expand

2-Channel Isolated CAN FD Expansion HAT

Waveshare Waveshare

9RPIHCAN2FD

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This handy little 2-Channel Isolated CAN FD Expansion HAT is designed to let you communicate with and control CAN Bus frameworks with Raspberry Pi.

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CAN Bus is a truly impressive protocol that, when introduced to the world, revolutionised the way in which individual parts and minor systems operate and communicate with each other within a larger system. And while this protocol was brought in particularly for the automotive industry, in times in which vehicles typically operated without Microcontrollers or primary controller boards, it has slowly gained popularity outside of this industry, with more and more use cases being brought forward that utilise the clever Communications methods employed by the CAN protocol.

This 2-Channel Isolated CAN FD Expansion HAT is an awesome little expansion board designed for Raspberry Pi Boards, and allows users to utilise the CAN protocol with a powerful microcontroller via an SPI interface, to give Makers an easy way to communicate with and control CAN Bus systems. This HAT supports both CAN2.0 and the more modern CAN FD (Flexible Data-Rate) protocols, which of course means that Makers aren’t just limited to the standard 8-byte data capacity, but can actually extend this to 64 bytes within the CAN-Frame.

If you enjoy working with CAN Bus systems, but sometimes struggle with effectively communicating with and controlling these systems, or the sub-systems within the large system, this 2-Channel Isolated CAN FD Expansion HAT is an excellent solution.

Please Note: If you are using a Raspberry Pi 3 Model B+ or older version board, it’s important to ensure that the CAN Interface is not creating a short on the HDMI Port. If this is the case, use the included header and spacers to give the HAT some extra clearance, so as to avoid any potential problems or damage.

 

2-Channel Isolated CAN FD Expansion HAT  -  Technical Specifications:

  • Manufacturer                                         

Waveshare

  • CAN Controller

– MCP2517FD

  • CAN Transceiver

– MCP2562FD

  • Digital Isolator

– SI8642ED

  • Power IC

– MP1584EN & RT9193-33

  • Power Isolation Module

– B0505LS-1W

  • Input Voltage

– 8V to 26V DC // OR // Via Raspberry Pi Header

  • Operating Voltage

– 5V DC

  • Logic Level Voltage

– 3.3V / 5V : Configurable with Jumper

  • CAN Protocol Support

– CAN2.0 and CAN FD (Flexible Data-Rate)

  • Data Transmission Rates

– Up to 8Mbps

  • Communication Mode

– SPI : Two Independent Channels

– Can Switch to Single Channel with Onboard Resistors

  • Terminal Resistors

– 1 Per Channel : Configurable with Jumper

  • Integrated Fuse

– 2A Fast-Recovery Fuse

  • Onboard Protection Features

– Anti-Reverse Connection Protection

– Anti-Countercurrent Protection

  • Raspberry Pi Compatibility

– All Raspberry Pi Boards with 40 Pin GPIO Header

  • Included Extras

– 2x20 Pin Female Pinheader

– 2 x RPi Mounting Screws with Spacers

  • Weight

– 30g

  • Dimensions

– 65 x 56.5mm

CAN FD HAT Bus Interface

 

Additional Resources:

  • For more details and insights on this awesome unit, be sure to check out the official Waveshare 2-CH Isolated CAN FD HAT Wiki page, where you can find code examples, drivers and more vital information.

 

MCP2517FD - Datasheet

9RPIHCAN2FD - MCP2517FD Datasheet

Download (1008.64k)

MCP2562FD - Datasheet

9RPIHCAN2FD - MCP2562FD Datasheet

Download (1.26M)

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When it comes to producing unique electronics components and modules, there are very few brands that can provide the quality that Waveshare can. Based in the Futian District in Shenzhen, China, Waveshare are experts in developing electronics to a high standard of quality, which have been thoroughly tested to work seamlessly with corresponding development platforms and systems – such as the E-Ink HATs for Raspberry Pi’s.


What we love most about Waveshare is how they are dedicated to providing quality products, and have moved away from the typical “Made in China” stigma – cheap products with cheap parts and components. Instead, Waveshare understand the value of supplying quality products and building sustainable relationships with international resellers and distributors. They know that consistent quality will result in consistent business, and as such they always ensure strict quality control for each and every product that comes out of the manufacturing plant.


We are always excited to peruse through their vast catalogue of exciting new products to find unique modules, components or even entire development boards that are designed with quality in mind. Because we know that every cent that we spend with Waveshare will be well-spent, with each product that order adding real value to our own catalogue of products.