MCP2515T-E/MLVAO - CAN 2.0B SPI Controller | Microchip
MPN： MCP2515T-E/MLVAO ✓ 啟用中MCP2515T-E/MLVAO 概覽
A Controller Area Network controller manages frame generation, filtering, arbitration, status, interrupts, and error handling, while an external CAN transceiver connects the controller's logic-level interface to the physical bus. In this Microchip architecture, the MCP2515 communicates with a host processor through SPI and delegates differential bus signaling to a separate transceiver.
The manufacturer datasheet identifies the MCP2515 as a second-generation stand-alone CAN controller that is pin- and function-compatible with the MCP2510. Verified product data further identifies improved throughput, data-byte filtering, support for time-triggered protocols, standard and extended data support, and remote-frame handling. The automotive-qualified ordering code is supplied in the 20-VFQFN exposed-pad package identified by the verified distributor records.
Typical deployments include automotive body, comfort, and powertrain networks; industrial automation equipment; building controls; medical equipment; robotics; and other embedded systems that already provide a CAN transceiver. SPI host access simplifies integration with microcontrollers while the dedicated CAN engine handles bus traffic independently. Firmware must nevertheless configure acceptance filters, interrupt sources, bit timing, masks, and transceiver mode correctly.
The principal design considerations are logic compatibility, CAN transceiver selection, termination, bit timing, clock configuration, filtering, and exposed-pad thermal management. Because the exact pin names, electrical limits, timing values, and transceiver requirements are not supplied in the retrieved product snippets, those engineering values must be taken directly from the manufacturer datasheet rather than inferred.
This product page consolidates verified manufacturer and distributor information, purchase availability signals, family-level alternatives, and application guidance. It distinguishes documented facts from missing technical data so engineers can use the page for initial component selection without treating unsupported electrical values as verified specifications.
直接替換替代品，適用於 MCP2515T-E/MLVAO — 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。
此產品無可直接替換的替代品。
申請替代品MCP2515T-E/MLVAO 規格
| Product Type | Stand-alone CAN controller |
| CAN Specification | CAN 2.0B |
| Host Interface | SPI |
| Frame Support | Standard data, extended data, and remote frames |
| Protocol Features | Data-byte filtering and time-triggered protocol support |
| Compatibility | Pin- and function-compatible with MCP2510 |
| Maximum Temperature | 125 deg C |
| 封裝 | 20-VFQFN with exposed pad |
| 腳位數 | 20 pins plus exposed pad |
| 安裝類型 | Surface mount |
| Generation | Second-generation MCP2515 controller |
| CAN Transceiver Integration | External transceiver required |
| Automotive Qualification | AEC-Q100 certified according to the verified distributor listing |
MCP2515T-E/MLVAO 20-vfqfn with exposed pad 腳位配置指南
MCP2515T-E/MLVAO（20-vfqfn with exposed pad 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： MCP2515T-E/MLVAO.
請參閱 資料表 以查看完整腳位配置。
典型應用
MCP2515T-E/MLVAO 適用於 6 應用s: Automotive Body Control, Industrial Automation, Building Automation, Medical Equipment, Robotics and Mobile Platforms, Test and Measurement.
Automotive Body Control
The MCP2515T-E/MLVAO fits an automotive body-control node that exchanges switch, lamp, door, climate, and diagnostic messages over CAN. Its verified CAN 2.0B implementation supports standard and extended data frames, while data-byte filtering helps the host process relevant messages without examining every frame. The 125 deg C rating and distributor-reported AEC-Q100 certification support automotive program evaluation. A qualified external transceiver, proper bit timing, robust clocking, and automotive-grade passive components remain system requirements.
推薦
Industrial Automation
The MCP2515T-E/MLVAO is suitable for industrial automation modules that connect sensors, actuators, drives, or remote I/O to a CAN fieldbus. SPI allows a host processor to configure acceptance filters, read status, handle interrupts, and exchange frames without bit-banging the CAN bus. Standard and extended frame support broadens interoperability, while time-triggered protocol support can suit scheduled control traffic. The design still needs an external transceiver, correct oscillator timing, industrial EMC protection, and validated CAN bit-rate settings.
推薦
Building Automation
The MCP2515T-E/MLVAO can support building-automation controllers for HVAC equipment, lighting gateways, room sensors, access controls, and energy-management interfaces. Programmable data-byte filtering helps separate command, status, diagnostic, and periodic telemetry traffic on a shared CAN network. The controller's SPI host connection also fits common embedded control architectures. Field deployment should include surge protection, isolated or non-isolated termination as appropriate, watchdog supervision, and careful configuration of bit timing and acceptance masks.
推薦
Medical Equipment
The MCP2515T-E/MLVAO may be used in medical equipment where an internal module bus carries commands, sensor status, alarms, and diagnostic records between isolated subsystems. Its dedicated CAN engine and SPI host interface separate protocol processing from the host processor, while acceptance filtering reduces software load. Medical use requires system-level risk analysis and validation of electrical isolation, watchdog behavior, fault containment, and external components. The controller's automotive-grade status does not by itself establish a medical-device qualification.
推薦
Robotics and Mobile Platforms
The MCP2515T-E/MLVAO fits robot controllers, mobile robots, and industrial vehicles that distribute motion commands and collect sensor status over a CAN network. Extended-frame support accommodates identifiers that would not fit an 11-bit message ID, and remote-frame handling can support diagnostic queries. A host processor manages filters, interrupts, motion policy, and fault handling while the CAN controller handles frame traffic. Designers must select a transceiver with appropriate speed, protection, supply range, and isolation requirements.
推薦
Test and Measurement
The MCP2515T-E/MLVAO can bridge an instrument controller to a CAN-based accessory, fixture, or subsystem. SPI configuration supports programmable message filtering and status monitoring, helping a test host issue commands and collect diagnostics without implementing a CAN medium-access controller in software. The external transceiver remains a separate subsystem and must be selected for the bus speed, voltage domain, isolation, and protection requirements. Calibration records, timing margins, termination, and fault injection should be included in a robust measurement setup.
推薦
推薦產品摘要
工程參考資料，適用於 MCP2515T-E/MLVAO — 比較、設計指引及合規資訊。
選型指南
主要差異化特點
- Dedicated CAN 2.0B controller with SPI host access (對比MCP2515T-E/SO)
- Second-generation MCP2515 feature set (對比MCP2510)
- Exposed-pad package option for the identified ordering code (對比MCP2515T-E/ML)
設計說明
Budget the controller, transceiver, termination network, and digital load separately; the MCP2515 data-sheet input limits must be read from the official source before selecting regulators. Decouple each IC locally, keep CAN transceiver current pulses away from sensitive analog rails, and validate power sequencing during reset. Do not assume that a 3.3 V microcontroller rail can operate the selected transceiver without checking both devices' verified supply ranges.
Place the CAN transceiver close to the connector and route its bus pins as a short, continuous differential pair. Terminate both ends of the bus according to the selected transceiver and network topology, and keep sensitive analog and clock signals away from the CAN routing. The exposed pad requires a manufacturer-compliant thermal-via and copper pattern; use the package land pattern and reflow profile from the official documentation rather than estimating them.
Do not treat MCP2515 as a physical-layer CAN transceiver. The MCP2515 implements the CAN protocol and communicates with the host through SPI, while an external transceiver drives and receives the bus. Firmware must also load valid oscillator and bit-timing values, configure acceptance masks before enabling the required traffic, and handle transmit, receive, error, and interrupt status correctly. Copying registers without checking the selected package and silicon variant can cause intermittent operation.
合規資訊
A verified distributor listing describes the part as AEC-Q100 certified for automotive use. Other compliance declarations were not present in the supplied verified data.
