MCP2515-I/STVAO - SPI CAN 2.0B Controller | Microchip
料号： MCP2515-I/STVAO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MCP2515-I/STVAO 概述
A stand-alone CAN controller connects a host processor to a CAN physical bus through a separate CAN transceiver. CAN is a deterministic, arbitration-based communication network used when message priority, robust framing, and reliable multi-node operation matter. In the hierarchy, the MCP2515 belongs to the CAN controller class, within interface controllers and broader semiconductor communication devices.
Key features include faster throughput than the earlier MCP2510, programmable data-byte filtering, acceptance-filter optimization, dual full masks, interrupt sources for receive, transmit, error, and wake-up activity, and support for time-triggered protocols. According to the manufacturer product page, the device is also pin and function compatible with the MCP2510. Standard and extended identifiers allow a design to support both conventional and extended CAN message formats.
The MCP2515 separates protocol handling from bus-line voltage conversion. Its SPI port communicates with a host MCU or processor, while CANRX and CANTX connect to an external transceiver. This makes the device appropriate for industrial automation, robotics, vehicle instrumentation, medical equipment, embedded control, and test systems where the system already has a transceiver and host controller.
Typical implementation uses an MCU connected by SPI to the MCP2515, a 3.3 V or 5 V CAN transceiver, common reference ground, and a correctly terminated CAN bus. Decoupling capacitors should be placed close to the VDD pins, and the SPI and interrupt traces should be kept short to reduce timing and signal-integrity risk.
This page combines manufacturer specifications, verified distributor findings, package information, application guidance, and replacement-analysis evidence. The supplied data confirms the 20-TSSOP package and 2.7 V to 5.5 V operating range; unspecified electrical limits, register details, lifecycle declarations, pricing, and full pin names are intentionally not invented.
直接替换替代料： MCP2515-I/STVAO ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MCP2515-I/STVAO （相同外形与封装尺寸） ——差异在于 Package.
快速对比工具——选择替代料号进行并排对比：
MCP2515-E/STVAO
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MCP2515T-E/STVAO
✅ 直接替换📋 参考替代料（不在目录中）
MCP2515-I/SOVAO
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MCP2515-I/STVAO 规格参数
| Product Type | Stand-alone CAN controller |
| CAN Protocol | CAN 2.0B |
| Host Interface | SPI |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Maximum Bitrate | 1 Mbit/s |
| Frame Support | Standard, extended, and remote frames |
| Message Buffer | 2 KB |
| 封装 | 20-pin TSSOP, 0.65 mm pitch |
| Temperature Grade | Industrial |
| Terminal Count | 20 terminals |
| Package Code | STVAO |
| 安装类型 | Surface mount |
| Controller Count | 1 CAN controller |
| MCP2510 Compatibility | Pin and function compatible |
| Data-Byte Filtering | Supported |
| Time-Triggered Protocol Support | Supported |
MCP2515-I/STVAO stvao 引脚配置指南
MCP2515-I/STVAO（stvao 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： MCP2515-I/STVAO.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCP2515-I/STVAO 适用于 6 应用s: Industrial Automation Controller, Robotics and Motion Control, Automotive and Vehicle Instrumentation, Medical and Diagnostic Equipment, Embedded Test and Measurement, Smart Sensor and IoT Gateway.
Industrial Automation Controller
The MCP2515-I/STVAO fits an industrial automation node that must exchange prioritized machine commands and sensor status over CAN. Its CAN 2.0B implementation supports standard and extended frames, while the SPI interface connects cleanly to an embedded MCU or PLC-adjacent processor. At bitrates up to 1 Mbit/s, it can serve factory equipment where deterministic arbitration is useful. An external transceiver is still required for CANH and CANL, and the design should follow the official data sheet for termination, filter configuration, and electrical limits.
推荐
Robotics and Motion Control
Use MCP2515-I/STVAO in a robot or motion-control system when distributed motor, sensor, and safety-state messages require a deterministic CAN network. The controller’s acceptance filters help the host reject irrelevant traffic, while up-to-1 Mbit/s operation supports higher-rate command and feedback traffic. SPI keeps the host-side implementation straightforward on a microcontroller such as an STM32F103VET6 or ATMEGA2560V-8CU. Add a suitable transceiver such as an SN65HVD231DR when the bus is 3.3 V, and verify timing and termination on the assembled PCB.
推荐
Automotive and Vehicle Instrumentation
The MCP2515-I/STVAO can support vehicle instrumentation and body electronics prototypes that need a host MCU to access CAN messages through SPI. Standard and extended frame support accommodates different identifier formats, and the industrial-temperature order code is identified in the verified product listing. Because this part is a controller rather than a transceiver, the PCB must include an appropriately selected automotive or industrial CAN physical-layer device, protection network, and bus termination. Confirm AEC-Q100 status and full electrical requirements from Microchip before production use.
推荐
Medical and Diagnostic Equipment
MCP2515-I/STVAO is suitable for medical or diagnostic equipment modules that need reliable multi-node communication between sensors, control boards, and a supervisory processor. CAN arbitration gives defined priority when multiple nodes transmit, while SPI provides a compact host connection for embedded firmware. The controller can be paired with a host MCU and an external transceiver, with isolation and protection implemented according to the system safety and EMC requirements. The verified data does not establish medical qualification, so compliance, isolation, and electrical validation must be handled at the system level.
推荐
Embedded Test and Measurement
The MCP2515-I/STVAO can serve as the CAN communication engine in test equipment, data-acquisition systems, and programmable instrumentation. A host processor can configure acceptance filters and transmit test commands through SPI, while an external transceiver connects the controller to the equipment network. The 2.7 V to 5.5 V range supports common embedded supply plans, and the 20-TSSOP package keeps the controller compact. Use the family data sheet to verify timing margins, interrupt behavior, and transceiver logic levels for each instrument platform.
推荐
Smart Sensor and IoT Gateway
MCP2515-I/STVAO is useful in a gateway that aggregates sensor data from multiple CAN nodes before forwarding it to a higher-level processor. Data-byte filtering and configurable acceptance masks can reduce host workload by rejecting messages that are not relevant to the gateway. The SPI interface is compatible with common embedded controllers, and the 20-TSSOP package supports compact boards. A separate transceiver is mandatory, and the bus must be isolated or protected appropriately for the deployment environment. Confirm filter, interrupt, and timing details against the official family data sheet.
推荐
推荐产品汇总
工程参考数据： MCP2515-I/STVAO ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MCP2515-E/STVAO | MCP2515T-E/STVAO | MCP2515-I/SOVAO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
关键差异点
- CAN 2.0B controller with broad frame support （对比 MCP2517FD-H/SL)
- Directly compatible with the established MCP2510 footprint concept （对比 MCP2515-I/SOVAO)
- 20-TSSOP integration matches verified related order codes （对比 MCP2515-E/STVAO)
- Filtering and time-triggered protocol support （对比 MCP2515-I/SOVAO)
设计说明
Place the MCP2515-I/STVAO close to the host MCU and the external CAN transceiver. Keep the SPI traces short, provide a continuous ground reference, and route CANTX/CANRX toward the transceiver rather than directly into the bus connector. The verified package is 20-TSSOP with 0.65 mm pitch, so confirm the land pattern against the official package drawing before release.
Decouple the controller supply locally with capacitors selected according to the official data sheet and the host power plan. The verified operating range is 2.7 V to 5.5 V, but the supplied material does not provide the recommended capacitor values, current limits, or absolute maximum voltage. Do not infer those values from generic CAN designs; use the family data sheet and validate supply sequencing in the assembled board.
Do not connect the MCP2515-I/STVAO controller outputs directly to CANH and CANL. The MCP2515 is a logic-side controller and requires an external transceiver for bus voltage levels and protection. Also verify SPI mode, interrupt polarity, bitrate settings, acceptance filters, and termination against the family data sheet. A package match alone is not sufficient evidence that an order-code variant is a drop-in replacement.
For a high-bitrate CAN design, use the transceiver and transceiver-side layout recommended by its manufacturer, observe the required termination topology, and keep sensitive analog or clock areas away from the CAN RX/TX path. The MCP2515 can support up-to-1 Mbit/s operation, but achievable bus reliability depends on the complete controller-transceiver-cable system rather than the controller alone.
合规信息
The supplied verified extracts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance must be confirmed from the current Microchip product documentation or supplier certificates.
