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Green PCB with black CAN transceiver chip and pin headers

WaveShare

WaveShare SN65HVD230 CAN Board 3.3V Transceiver

SKU CH-Q346-NWBC4

An accessory board with a 3.3V CAN transceiver for connecting microcontrollers to a CAN network

  • CPU TypeOther
  • Connect microcontrollers to CAN networks via onboard SN65HVD230 transceiver
  • Pin-compatible with PCA82C250 for drop-in replacement designs
  • Operates from 3.3V supply simplifying low-voltage system integration
  • Built-in ESD protection safeguards transceiver against electrostatic discharge
  • Accessory board form factor eases prototyping and embedded deployment

CAN transceiver accessory board

The WaveShare SN65HVD230 board provides a 3.3 V CAN transceiver for linking microcontrollers to a CAN network. Its pinout matches the PCA82C250 footprint for drop-in compatibility. Onboard ESD protection helps guard the transceiver against transient spikes. The board targets developers adding CAN connectivity to 3.3 V logic systems.

Low-power 3.3 V operation

The transceiver runs from a single 3.3 V supply, keeping power draw minimal in typical use. No active cooling is required, so the board adds no audible noise to the design. ESD protection handles common discharge events without extra components. The compact accessory suits space-constrained prototypes and permanent installations alike.

Sustained bus communication

Under continuous CAN traffic the transceiver maintains signal integrity within its specified voltage range. The 3.3 V supply rail must remain stable during extended sessions to avoid communication errors. ESD protection remains effective across repeated transient events. The board is not suited for 5 V logic systems or applications requiring galvanic isolation.

Highlights

  • Connect microcontrollers to CAN networks via onboard SN65HVD230 transceiver
  • Pin-compatible with PCA82C250 for drop-in replacement designs
  • Operates from 3.3V supply simplifying low-voltage system integration
  • Built-in ESD protection safeguards transceiver against electrostatic discharge
  • Accessory board form factor eases prototyping and embedded deployment

Specifications

CPU TypeOther

Questions about this item

How do I wire the SN65HVD230 CAN Board to a 3.3 V microcontroller?

Connect VCC to 3.3 V, GND to ground, then link the board TX to the MCU RX pin and the board RX to the MCU TX pin; the step often missed is adding a termination resistor at each end of the CAN bus

What maintenance or replacement will the SN65HVD230 CAN Board need later?

The board has no moving parts or consumables; only the on-board SN65HVD230 transceiver could require replacement if it suffers an over-voltage event

What limit appears first when the SN65HVD230 CAN Board runs under sustained load?

The 3.3 V supply current and the transceiver thermal rating are the first limits reached during continuous high-speed CAN traffic

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