TIDA-01487
Isolated CAN Flexible Data (FD) Rate Repeater Reference Design
TIDA-01487
Overview
CAN and CANopen are legacy Fieldbus protocols used in many applications in factory automation. Whenever high voltage can damage the end equipment, there is need for isolation. This isolated CAN flexible data (FD) rate repeater reference design adds electrical isolation between two CAN bus segments. The CAN frames on either bus segment side are repeated to the other side. The CAN transceiver and arbitration logic in this design support CAN FD speed up to 2 Mbps. The reference design is supplied by a wide-range voltage supply between 6 V to 36 V.
Features
- Isolated CAN FD transceiver with 3000-VRMS isolation rating
- Support classic CAN and 2-Mbps CAN FD
- Single 24-V industrial supply
- Wide-supply voltage range of 5 V to 36 V
- Onboard generation of isolation voltages
Industrial
- Air Circuit Breaker (ACB)
- Aircraft cockpit display
- Automotive interface & communications HIL tester
- Central inverter
- Flight control unit
- Full authority digital engine control (FADEC)
- Hydraulic/Pneumatic actuator drive
- Near infrared (NIR) spectrometer - benchtop
- Off-highway vehicles HMI & display systems
- Off-highway vehicles control systems
- Off-highway vehicles sensor systems
- Power conversion system (PCS)
- Rapid shutdown
- Smart combiner box
- Solar power optimizer
- Traction drive
- Weigh scale
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDUDB5A.PDF (1936 K)
Reference design overview and verified performance test data
TIDRSA3A.PDF (480 K)
Detailed schematic diagram for design layout and components
TIDRSA4A.PDF (65 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRSA5A.PDF (154 K)
Detailed overview of design layout for component placement
TIDRSA7A.ZIP (1319 K)
Files used for 3D models or 2D drawings of IC components
TIDCDQ7B.ZIP (2055 K)
Design file that contains information on physical board layer of design PCB
TIDRSA6A.PDF (724 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
AND gates
SN74LVC2G08 — 2-ch, 2-input 1.65-V to 5.5-V 32 mA drive strength AND gate
Data sheet: PDF | HTMLNAND gates
SN74LVC2G132 — 2-ch, 2-input, 1.65-V to 5.5-V NAND gates with Schmitt-Trigger inputs
Data sheet: PDFNoninverting buffers & drivers
SN74LVC2G07 — 2-ch, 1.65-V to 5.5-V buffers with open-drain outputs
Data sheet: PDF | HTMLOR gates
SN74LVC32A — Four-channel, two-input, 1.65V to 3.6V 24mA drive strength OR gate
Data sheet: PDF | HTMLStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | Isolated CAN FD Repeater Reference Design (Rev. A) | Apr. 13, 2018 |
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