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2-Channel Isolated CAN Bus Expansion HAT For Raspberry Pi
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The 2-channel CAN Bus HAT is made for those looking to expand their Raspberry Pi capabilities with multiple CAN channels. This HAT has a dual chip using MCP2515 and SN65HVD230, allowing for 2-channel CAN communication. Its stackable design gives you access to the expansion of multiple CAN channels by combining with other 2-channel CAN HATs or 2-channel CAN FD HAT units. The HAT+ is compatible with various Raspberry Pi models, including the Raspberry Pi 5, 4, 3, Zero, and Jetson Nano.
This expansion HAT has several protection circuits to provide safe and reliable communication, including electrical isolation. The unibody power supply isolation delivers stable isolated voltage without the need for an additional power supply for the isolated terminal. A digital isolator provides signal isolation, enhancing communication safety, stability, and anti-interference capabilities.
The external power supply terminal supports a wide voltage input range of 7 to 36V, which can simultaneously power both the Raspberry Pi and the HAT, making it suitable for industrial projects. Additionally, the SM24CANB TVS diode offers ESD and transient peak voltage protection, adding an extra layer of safety to your setup.
Features
- Standard Raspberry Pi 40-pin GPIO extension header, supports Raspberry Pi series boards / Jetson Nano
- MCP2515 and SN65HVD230 dual chips combined solution, allowing 2-channel CAN communication
- Unibody power supply isolation, providing stable isolated voltage, requires no extra power supply for the isolated terminal
- Digital isolator, signal isolation makes communication more safe and stable, and better anti-interference
- External power supply terminal, supports 7~36V wide voltage power input, supports powering the Pi and the HAT at the same time
- SM24CANB TVS (Transient Voltage Suppressor) diode, provides ESD protection and transient peak voltage protection
- Voltage translator, select 3.3V/5V operating voltage by jumper
- 120Ω terminal resistor, configured by jumper
- Breakout SPI and I2C control pins, for connecting with other host control boards
- Comes with online development resources and manual (examples in Python/C)
Specifications
| CAN Controller | MCP2515 |
| Control Bus | SPI |
| Power Supply Method | External power supply terminal or Raspberry Pi GPIO |
| Terminal Voltage Input | DC 7~36V |
| Operating Voltage | 5V |
| Logic Level | 3.3V/5V |
| Dimensions | 65.0 x 56.5mm |
Resources
Pinout
Package Contents
- 1x 2-channel CAN HAT+
- 1x Screws pack
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