MCP25020T-E/SL - 8-Bit CAN I/O Expander | Microchip
MPN: MCP25020T-E/SL ✓ Hoạt độngMCP25020T-E/SL Tóm tắt
A CAN I/O expander is an interface IC that extends a microcontroller or embedded system with digital inputs, outputs, pulse-width-modulated outputs, and CAN communication resources. Within the product hierarchy, it belongs to the CAN interface and I/O expander class, which bridges automotive and industrial control networks with general-purpose embedded processors.
The MCP25020T-E/SL provides up to 8 configurable digital I/O channels and up to 2 user-configurable PWM outputs. Its active CAN V2.0B implementation supports programmable bit rates up to 1 Mb/s. Programmable masking, two programmable filters, three automatic transmit buffers, and two message-reception buffers help organize network traffic and reduce the processing burden on the connected host controller.
Its 25 MHz clock supports the CAN timing requirements of the device, while the 4.5 V to 5.5 V supply range suits conventional 5 V embedded systems. The 14-SOIC package is approximately 0.154 inch, or 3.90 mm, wide and is supplied in tape-and-reel packaging. The T-E/SL ordering code identifies the extended-temperature and electrical-grade configuration, with the exact grade limits requiring confirmation from the manufacturer datasheet.
Typical uses include distributed automotive control modules, industrial CAN nodes, building automation, motor-control peripherals, and embedded systems that need remote sensing or actuator control without placing a dedicated CAN transceiver beside the host microcontroller. Configurable GPIO and PWM outputs reduce external logic in designs where the CAN bus is the primary communication path.
When designing around this device, verify the complete pin assignment and external CAN-interface requirements against the manufacturer datasheet before layout release. Allow for the supply decoupling recommended for the package and ensure the host controller can service the device's interrupts, masks, filters, and transmit buffers.
This page consolidates manufacturer specifications, distributor availability, same-family drop-in candidates, and design guidance for engineers evaluating the MCP25020T-E/SL as a CAN-connected I/O expansion solution.
Bộ thay thế dễ dàng lắp đặt cho MCP25020T-E/SL — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MCP25020T-E/SL (cùng hình factor và footprint) — khác nhau ở Package, Supply Voltage Range, Mounting Type, Product Type, Clock Frequency.
MCP25020T-I/SL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCP25020-I/SL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCP25020-E/SL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCP25020-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCP25020-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MCP25020T-E/SL Thông số kỹ thuật
| Product Type | CAN input/output expander |
| CAN Interface | Active CAN V2.0B |
| Maximum CAN Bus Rate | 1 Mb/s |
| Clock Frequency | 25 MHz |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Digital I/O Count | 8 lines |
| PWM Output Count | Up to 2 outputs |
| Programmable Masks | 1 mask |
| Programmable Filters | 2 filters |
| Automatic Transmit Buffers | 3 buffers |
| Message Reception Buffers | 2 buffers |
| Hộp | 14-SOIC, 3.90 mm width |
| Kiểu lắp đặt | Surface mount |
| Shipping Packaging | Tape-and-reel |
Hướng dẫn cấu hình chân MCP25020T-E/SL 14-soic, 3.90 mm width
Cấu hình chân cho MCP25020T-E/SL (14-soic, 3.90 mm width gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho MCP25020T-E/SL.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MCP25020T-E/SL phù hợp cho 6 Áp dụngs: Automotive CAN Body-Control Module, Industrial CAN Sensor Node, Building Automation Controller, Motor-Control Peripheral Interface, Remote Actuator and Relay Interface, CAN-Based Industrial Gateway.
Automotive CAN Body-Control Module
The MCP25020T-E/SL fits an automotive body-control module that must monitor switches and actuate discrete outputs over a CAN network. Its up-to-8 digital I/O lines reduce the host controller's direct pin burden, while active CAN V2.0B communication at rates up to 1 Mb/s supports responsive body-network traffic. The device also provides up to 2 PWM outputs for compatible loads. In a distributed node, the host MCU can handle higher-level decisions while this expander manages discrete inputs and outputs. The 4.5 V to 5.5 V supply range fits a regulated 5 V rail, but automotive engineers must separately verify temperature grade, EMC behavior, transient requirements, and AEC-Q100 status from the manufacturer documentation.
Được đề xuất
Industrial CAN Sensor Node
The MCP25020T-E/SL is useful in a compact industrial sensor node that gathers digital state and reports it through CAN. The 8 available digital I/O lines can accept contact, limit, or discrete sensor signals, while up to 2 PWM outputs can support compatible actuators or indicators. With active CAN V2.0B operation up to 1 Mb/s, the node can coexist on a faster control network, while programmable masks and filters help restrict accepted traffic. Its 14-SOIC package supports standard surface-mount assembly. Because the verified operating range is 4.5 V to 5.5 V, the node should use an appropriately regulated 5 V rail and check the exact temperature limits before deployment near machinery or outdoor equipment.
Được đề xuất
Building Automation Controller
The MCP25020T-E/SL can extend a building-automation controller with remote digital inputs and outputs connected through a CAN bus. Its 8 I/O lines are suitable for discrete zone, alarm, or occupancy signals, while up to 2 PWM outputs can serve compatible low-level control functions. CAN operation up to 1 Mb/s and the family's two message-reception buffers support prioritized network messaging, while three automatic transmit buffers improve handling of repeated or scheduled frames. The device operates from 4.5 V to 5.5 V, making it appropriate for a 5 V controller backplane. Installation designs should verify bus fault behavior, isolation requirements, thermal limits, and whether external CAN transceiver circuitry is required by the system architecture.
Được đề xuất
Motor-Control Peripheral Interface
The MCP25020T-E/SL can serve as the distributed I/O companion to a motor-control module. The 8 digital lines may be used for command, status, or interlock inputs, while up to 2 PWM outputs provide configurable signals where the motor drive supports that interface. Because the expander communicates over active CAN V2.0B at up to 1 Mb/s, it can transfer commands and diagnostics separately from the host MCU's real-time control path. The 25 MHz clock supports CAN operation, and programmable masks and filters help organize messages on a shared network. Designers should not interpret the PWM outputs as substitutes for a dedicated gate driver: motor timing, fault handling, isolation, and safety requirements must remain in the appropriate power-electronics and control subsystems.
Được đề xuất
Remote Actuator and Relay Interface
The MCP25020T-E/SL is appropriate for a remote actuator module where a CAN-connected controller must operate relays, contactors, or other discrete loads. Up to 8 digital outputs can provide logic-level control and status channels, while the integrated CAN interface permits remote configuration and monitoring without dedicating many host-controller pins. The device's program-mask, two-filter, three-transmit-buffer, and two-receive-buffer architecture helps structure command and diagnostic traffic on a shared bus. Its 14-SOIC package keeps the implementation compact, while the 4.5 V to 5.5 V supply range supports a conventional 5 V logic rail. Appropriate relay drivers, flyback protection, isolation, and fault-safe hardware remain necessary because the MCP25020 provides logic interfacing rather than direct power switching.
Được đề xuất
CAN-Based Industrial Gateway
The MCP25020T-E/SL can add discrete I/O channels to a CAN-based industrial gateway that bridges a service network to local sensors and actuators. The 8 I/O lines provide flexible binary interfaces, and up to 2 PWM outputs support compatible peripheral functions. CAN V2.0B operation at up to 1 Mb/s provides a shared communication path, while programmable filters and masks allow the gateway to select relevant frames. The 25 MHz internal clock supports the interface timing, and the 4.5 V to 5.5 V operating range fits a regulated 5 V gateway board. A production design should confirm the exact pinout, clock and transceiver implementation, reset requirements, bus termination strategy, and environmental grade from the current manufacturer datasheet before release.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MCP25020T-E/SL — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MCP25020T-I/SL | MCP25020-I/SL | MCP25020-E/SL | MCP25020-I/P | MCP25020-E/P |
|---|---|---|---|---|---|---|
| Package | 14-SOIC, 3.90 mm width | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CAN Interface | Active CAN V2.0B | Active CAN V2.0B | Active CAN V2.0B | Active CAN V2.0B | Active CAN V2.0B | Active CAN V2.0B |
| Maximum CAN Bus Rate | 1 Mb/s | 1 Mb/s | 1 Mb/s | 1 Mb/s | 1 Mb/s | 1 Mb/s |
| Clock Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Digital I/O Count | 8 lines | 8 lines | 8 lines | 8 lines | 8 lines | 8 lines |
| PWM Output Count | Up to 2 outputs | Up to 2 outputs | Up to 2 outputs | Up to 2 outputs | Up to 2 outputs | Up to 2 outputs |
Bảo phân biệt quan trọng
- Combines CAN communication and configurable local I/O (vsMCP25020T-I/SL)
- Directly supports distributed CAN sensing and actuation (vsMCP25020-E/SL)
- Network-tTraffic organization features are integrated on-chip (vsMCP25020-I/P)
Ghi chú thiết kế
Place the MCP25020T-E/SL close to the CAN and I/O circuitry, and route the 5 V supply and ground connections with short, low-impedance paths. Follow the manufacturer datasheet for the exact input, output, clock, and bypass-capacitor pin assignments before layout. The verified 4.5 V to 5.5 V supply range leaves limited margin outside a nominal 5 V rail, so source regulation and transient behavior must be checked under worst-case bus activity.
Do not substitute the device solely because another MCP25020 suffix also uses a 14-SOIC package. The T, E, and I ordering codes can identify different temperature or qualification grades, while the /SL and /P endings can identify different packaging options. Confirm the manufacturer ordering table, top-marking rules, pinout, and production grade before approving a substitution.
Keep the 25 MHz clock and CAN-related traces away from noisy switching nodes, relay contacts, and high-current motor wiring. Provide a clean return path and keep the board's ground and supply planes continuous around the 14-SOIC device. CAN bus integrity also depends on correct transceiver selection, termination strategy, common-mode protection, and topology; those requirements are not established by the MCP25020's I/O ratings alone.
The MCP25020 is an interface IC rather than a power-conversion stage, but its supply current contributes to the host system's 5 V budget. Calculate worst-case demand across the CAN interface, digital I/O, and PWM-output loading before sizing regulators and trace widths. Add suitable logic-level protection for externally connected inputs and outputs because the verified data does not establish the absolute-maximum input range or output-drive capability.
Thông tin tuân thủ
The verified manufacturer and distributor snippets do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance claims must therefore be confirmed from the current manufacturer product documentation or declaration.
