Description
2-Channel CAN FD HAT for Raspberry Pi
Multi protections, high anti-interference capability, stable operation
Features at a glance
The 2-CH CAN FD HAT is a 2-Channel CAN bus expansion HAT designed for Raspberry Pi, supports CAN FD (CAN with Flexible Data-Rate). It will enable CAN bus for your Raspberry Pi, not only the original CAN 2.0 protocol, but also the CAN FD extension, with higher data throughput.
Thanks to multi onboard protection circuits, including 500W lightningsurge, ESD protection, short circuit protection, and electrical isolation, it make the communication more safe and more reliable.
- Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
- Supports both traditional CAN2.0 and CAN FD protocols
- Breakout SPI control pins, for connecting with host control boards like STM32/Arduino
- Onboard electrical isolation, up to 5KV isolated voltage, stable operation, higher anti-interference capability
- Onboard lightningproof, ESD protection, short circuit protection, more safe communication
- Onboard voltage translator, select 3.3V/5V operating voltage by jumper
- Onboard 120O terminal resistor, configured by jumper
- Comes with development resources and manual (examples for Raspberry Pi/Arduino)
Specifications
| CAN controller | MCP2518FD |
|---|---|
| Control bus | SPI |
| Power supply | External power supply terminal OR Raspberry Pi |
| Screw terminalinput voltage | DC 8~28V |
| Operating voltage | 5V |
| Logic level | 3.3V/5V |
| Dimensions | 65.0 × 56.5mm |
What can it do?
enable isolated and stable CAN FD capability for your Raspberry Pi
Designed for Raspberry Pi series
Standard Raspberry Pi 40PIN GPIO header, customized for Raspberry Pi series boards
2-Channel CAN support
MCP2518FD CAN controller + CAN transceiver chip
up to 4-CH CAN by cascading
onboard SPI0 / SPI1 chip select and interrupt pin configuration, avoid conflicting with other SPI slave devices, also used for cascading to support 4-ch CAN communication * multi HATs required
| Jumper | CAN_1 control pin config | CAN_0 control pin config | ||
|---|---|---|---|---|
| chip select (CE_1") | interrupt (INT_1) | chip select (CE_0) | interrupt (INT_0) | |
| default | SPI1_CE0 (D18) | D24 | CE0 (D8) | D25 |
| options | SPI1_CE1 (D17) | D23 | CE1 (D7) | D13 |
| options | SPI1_CE2 (D16) | D22 | ||
| backward compatible | D26 | D16 | ||
Electrical isolation circuitry safe & stable
SM24CANB TVS diode, ESD protection, transient peak voltage protection
Flexible and handy jumpers
easily select 3.3V / 5V operating voltage, or enable/disable 120O terminal resistor, via onboard jumpers
What's On Board
- MCP2518FD controller
- Transceiver chip
- SI8642ED digital isolator
- MP1584EN power chip
- RT9193-33 power chip
- B0505LS-1W power supply isolation module
- Standard Raspberry Pi 40PIN GPIO header
- CAN bus screw terminal
- External power supply terminal 8~26V DC input
- MCU control pins for use with host boards like Arduino
- 120O terminal resistor switch
- 3.3V/5V logic level switch
- CAN operating mode selection A: CAN_0 and CAN_1 use two separated SPI (default)B: CAN_0 and CAN_1 share a single SPI
- Power indicator
- Freewheeling diode
- SM24CANB TVS diode array
- Power supply reverse-proof diode
- 2A fast resettable fuse
Pinout definition
Outline dimensions
Resources & Services
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Package Contents
- 2-CH CAN FD HAT x1
- 2×20PIN female header x1
- Standoffs pack (2pcs) x1
| Shipping weight: | 0.03 Kg |
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