MCP2517FDT-H/SL - 8Mbps CAN FD Controller | Microchip
MPN： MCP2517FDT-H/SL ✓ 啟用中MCP2517FDT-H/SL 概覽
A CAN FD controller is a protocol-specific interface integrated circuit that manages CAN frames and communicates with host processing logic through a register interface. CAN FD, or Controller Area Network with Flexible Data-rate, extends classical CAN with faster data phases and larger payloads. Within the broader semiconductor hierarchy, this device is an interface controller, a network-communications IC, and a peripheral for industrial, automotive, and embedded systems.
The verified product information identifies automatic retransmission control, monitor mode, and low-power or standby operation as major operating features. The 8 Mbps maximum data rate suits communication links that need more throughput than classical CAN while retaining the CAN bus architecture. The 2.7 V to 5.5 V range supports both 3.3 V and 5 V system rails, although the complete host and transceiver design must satisfy the controller's electrical requirements.
Unlike a combined CAN controller and transceiver, the MCP2517FDT-H/SL implements the protocol controller side of the link. It therefore requires a separate CAN transceiver, suitable bus protection, and a correctly designed PCB signal path. Its SPI host interface allows a microcontroller to configure bit timing, filters, interrupts, masks, and transceiver standby behavior through register access.
Typical uses include vehicle network gateways, industrial automation controllers, battery-management systems, diagnostic equipment, elevator controls, robotics, and other embedded CAN FD nodes. Standby support can reduce power demand when a node does not need continuous bus participation, while monitor mode can support passive observation of bus activity.
The principal design consideration is preserving signal integrity between the controller, external transceiver, connector, and termination network. Power decoupling should follow the manufacturer datasheet, and firmware must initialize the CAN FD bit timing, arbitration and data-phase timing, filters, interrupt routing, and error handling before enabling communication.
This product record combines verified distributor specifications, sourcing information, comparison context, and practical integration guidance. It also distinguishes verified drop-in candidates from merely related CAN interface ICs, helping engineers avoid replacing a protocol controller with a functionally similar but pin-incompatible transceiver.
直接替換替代品，適用於 MCP2517FDT-H/SL — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MCP2517FDT-H/SL （相同外形與佔位） — 差異在於 Product Type.
MCP2517FD-H/SL
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MCP2517FDT-H/CH
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MCP2517FD-E/SL
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MCP2517FDT-E/SL
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MCP2517FDT-H/SL-T
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MCP2517FDT-H/SL 規格
| Product Type | External CAN FD controller with SPI interface |
| CAN Data Rate | 8 Mbps maximum |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Host Interface | SPI |
| CAN Standard | CAN FD |
| Retransmission Control | Automatic retransmission control |
| Operating Mode | Monitor mode |
| Power Mode | Low-power or standby mode |
| Internal CAN Clock | No internal CAN clock |
| Functional Safety | ISO 26262 up to ASIL B |
| 封裝 | 14-pin SOIC |
| Package Family | SOIC surface-mount family |
| 安裝類型 | Surface mount |
| Shipping Form | Tape and reel |
| Transceiver Requirement | External CAN transceiver required |
MCP2517FDT-H/SL soic surface-mount family 腳位配置指南
MCP2517FDT-H/SL（soic surface-mount family 封裝）的腳位配置。 腳位編號、功能與連接圖定義於製造商資料手冊中。請參閱該手冊以取得確切的封裝尺寸與焊接指引。
無詳細腳位定義資料： MCP2517FDT-H/SL.
請參閱 資料表 以查看完整腳位配置。
典型應用
MCP2517FDT-H/SL 適用於 6 應用s: Automotive CAN FD Gateway, Industrial Automation Controller, Battery Energy Storage Monitor, Robotics Control Network, Elevator and Building Diagnostics, Diagnostic and Test Equipment.
Automotive CAN FD Gateway
MCP2517FDT-H/SL fits a gateway that converts between a host processor and a faster CAN FD network. Its verified 8 Mbps maximum data rate supports communication beyond classical CAN limits, while SPI lets the host configure bit timing, filters, masks, interrupts, and control registers. The device handles the controller layer rather than the physical bus, so the design also needs a qualified external transceiver and protection network. Check the exact ordering code for automotive temperature and qualification requirements before production release.
推薦
Industrial Automation Controller
The MCP2517FDT-H/SL can add CAN FD to an industrial controller already equipped with SPI, avoiding integration of CAN protocol logic into the host controller. An 8 Mbps link can reduce transfer time when machines exchange larger diagnostic or configuration payloads. Its 2.7 V to 5.5 V operating range supports common industrial logic rails, but the exact supply, isolation, grounding, and transceiver selection depend on installation requirements. Firmware must validate oscillator tolerance, bit timing, bus fault behavior, and shutdown sequencing before enabling the node.
推薦
Battery Energy Storage Monitor
A battery-management controller can use MCP2517FDT-H/SL to publish measurements, alarms, and configuration data over a CAN FD communications link. The controller's SPI connection permits register-level access to filters and interrupts, while monitor mode can support diagnostic observation without changing the normal bus behavior. The 8 Mbps capability can improve update throughput for dense energy-storage systems. Power-domain isolation, common-mode protection, and transceiver sleep behavior must be evaluated against the battery system's safety and electromagnetic-compatibility requirements.
推薦
Robotics Control Network
MCP2517FDT-H/SL is suitable for a robot controller that must coordinate motion, sensor, and safety-status data across CAN FD nodes. The verified 8 Mbps rate supports efficient handling of recurring control and diagnostic messages, and SPI allows a real-time microcontroller to exchange CAN frames with the network. Because this IC is not a bus transceiver, the board must include a suitable external transceiver and deterministic routing between controller, transceiver, and connector. Test bus timing with the final oscillator and termination rather than relying only on nominal theory.
推薦
Elevator and Building Diagnostics
Building-control and elevator diagnostic nodes can use MCP2517FDT-H/SL to exchange service data, fault records, and configuration information through CAN FD. SPI keeps the host interface straightforward for embedded controllers, while monitor mode is useful during commissioning or passive diagnostics. The 2.7 V to 5.5 V controller range allows integration with common embedded logic levels, although the external transceiver may impose additional supply requirements. Account for cable length, termination, galvanic isolation, and environmental noise in the complete bus design.
推薦
Diagnostic and Test Equipment
MCP2517FDT-H/SL can serve as the CAN FD protocol engine inside diagnostic equipment that communicates with a host over SPI. Monitor mode is useful for analyzing bus traffic, while 8 Mbps capability helps test systems handle modern CAN FD waveforms and larger payloads. The controller requires a suitable external transceiver and should be placed to minimize coupling between sensitive clock signals and the CAN bus path. Firmware-driven timing checks, fault injection, filters, and timestamped diagnostics help validate interoperability.
推薦
推薦產品摘要
工程參考資料，適用於 MCP2517FDT-H/SL — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MCP2517FD-H/SL | MCP2517FDT-H/CH | MCP2517FD-E/SL | MCP2517FDT-E/SL | MCP2517FDT-H/SL-T |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin SOIC | 14-pin SOIC | 14-pin SOIC | 14-pin SOIC | 14-pin SOIC | 14-pin SOIC |
| Product Function | External CAN FD controller | External CAN FD controller | External CAN FD controller | External CAN FD controller | External CAN FD controller | External CAN FD controller |
| Maximum Data Rate | 8 Mbps | 8 Mbps | 8 Mbps | 8 Mbps | 8 Mbps | 8 Mbps |
| Host Interface | SPI | SPI | SPI | SPI | SPI | SPI |
| Monitor Mode | Supported | Supported | Supported | Supported | Supported | Supported |
| Internal CAN Clock | No internal CAN clock | No internal CAN clock | No internal CAN clock | No internal CAN clock | No internal CAN clock | No internal CAN clock |
主要差異化特點
- CAN FD throughput (對比MCP2551-I/SN)
- SPI-connected external-controller architecture (對比Integrated CAN FD transceiver solutions)
- Family ordering-code flexibility (對比MCP2517FD-H/SL)
設計說明
Treat the CAN controller, external transceiver, connector, and termination network as one signal chain. Route CAN-side signals as a controlled impedance path specified by the selected transceiver and cable environment, minimize unnecessary stubs, and place termination only where required by the bus topology. Keep SPI and clock routing away from the transceiver supply and connector region. Verify timing and signal integrity with the final transceiver, cabling, grounding, and firmware configuration rather than the controller alone.
Decouple the MCP2517FDT-H/SL and its external transceiver according to the manufacturer requirements for each device. The controller's verified 2.7 V to 5.5 V range does not imply that the CAN-side transceiver can share the same supply domain or voltage. Check supply sequencing, current limits, startup behavior, and whether low-power or standby control is driven during reset. Do not enable the CAN node until the host has supplied a valid clock and configured reset and standby pins.
A common integration error is treating this controller as a complete CAN node. MCP2517FDT-H/SL does not contain the physical transceiver; omitting it leaves no usable CAN bus output. Another common error is assuming monitor mode or standby can begin immediately after reset. Firmware must initialize clock sources, bit timing, filters, masks, interrupts, and mode transitions before communicating. Validate error counters, bus-off recovery, termination, and oscillator tolerance on hardware.
合規資訊
The supplied web results do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. The supplied family comparison mentions ISO 26262 up to ASIL B, but that statement must not be treated as exact-order-code or AEC-Q100 qualification of MCP2517FDT-H/SL.