MCP25020T-I/SL - 8-Input CAN I/O Expander | Microchip
MPN: MCP25020T-I/SL ✓ Hoạt độngMCP25020T-I/SL Tóm tắt
A CAN I/O expander is an interface IC that extends a CAN node with digital input and output resources. In the product hierarchy, it belongs to CAN controllers and transceivers, then to network and industrial interface ICs, and ultimately to semiconductors. The MCP25020 family is useful when the main embedded controller lacks enough local I/O or when distributed inputs and outputs are more practical to place near actuators, sensors, indicators, or machine controls.
The verified feature set includes up to eight digital I/O lines, up to two user-configurable PWM outputs, active CAN V2.0B support, operation to 1 Mb/s, and a 2.7 V to 5.5 V supply range. The 14-SOIC package provides a conventional surface-mount footprint, while the “T” ordering suffix identifies the provided tape-and-reel packaging. The “I” grade and “SL” package/package-option codes require the manufacturer datasheet for complete ordering, temperature, and compatibility details.
MCP25020 devices act as CAN-system I/O expanders rather than isolated digital-I/O buses. Their CAN interface coordinates input and output information with a CAN controller, while the digital channels connect the host to external circuitry. CAN V2.0B compatibility and the 1 Mb/s maximum rate place the device in conventional high-speed CAN networks used by industrial control, automotive, and embedded equipment.
Typical applications include machine control modules, body and accessory electronics, remote actuator interfaces, digital sensor aggregation, industrial monitoring nodes, and automotive CAN-based I/O. Designers should confirm the exact pin functions, interrupt behavior, output-driver limits, and electrical timing from the manufacturer datasheet before layout because those details were not supplied in the verified search data.
For PCB implementation, place the device close to the CAN interface and provide the decoupling and termination network required by the application. Preserve the manufacturer’s recommended pin assignment and verify that every connected output remains within its specified current and voltage limits. CAN bus integrity, grounding, and protection are as important as the digital I/O layout.
This page combines verified distributor specifications, manufacturer-feature context, replacement screening, and practical design guidance. Pricing and availability should be checked as of 2026-10-22, and any unverified parameter is explicitly marked for engineering follow-up.
Bộ thay thế dễ dàng lắp đặt cho MCP25020T-I/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-I/SL (cùng hình factor và footprint) — khác nhau ở Package, Clock Frequency, Product Type, Automatic Transmit Buffers, Programmable Filters.
MCP25020T-E/SL
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Xem tài liệu →MCP25020T-I/SL Thông số kỹ thuật
| Product Type | CAN I/O expander |
| Giao diện | Controller Area Network (CAN) |
| CAN Standard | CAN V2.0B active |
| Maximum Digital I/O | 8 digital I/O |
| Maximum PWM Outputs | 2 PWM outputs |
| Maximum CAN Bus Rate | 1 Mb/s |
| Clock Frequency | 4 MHz |
| Marketing Clock Frequency | 25 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Hộp | 14-SOIC, 0.154 in (3.90 mm) width |
| Packaging | Tape and reel |
| Kiểu lắp đặt | Surface mount |
| I/O Configuration | User-configurable digital I/O and PWM functions |
| Trạng thái RoHS | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
Hướng dẫn cấu hình chân MCP25020T-I/SL 14-soic, 0.154 in (3.90 mm) width
Cấu hình chân cho MCP25020T-I/SL (14-soic, 0.154 in (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-I/SL.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
MCP25020T-I/SL phù hợp cho 6 Áp dụngs: Industrial Machine Control, Automotive Accessory Interface, Remote Sensor Aggregation, Actuator and Relay Control, Digital Dashboard and Indicator Node, CAN-Based Power and Control Module.
Industrial Machine Control
The MCP25020T-I/SL fits a CAN-connected machine-control module that needs to consolidate digital inputs and control outputs away from the main controller. Its verified up-to-eight digital I/O capability and up-to-two configurable PWM outputs can support limit switches, interlocks, indicators, actuators, and simple proportional outputs. CAN V2.0B operation at rates up to 1 Mb/s allows the node to share a high-speed bus with other machine functions. The 2.7 V to 5.5 V supply range supports embedded rails, while the 14-SOIC package keeps the design compact. Confirm output current, input thresholds, isolation requirements, and protection levels in the manufacturer datasheet before connecting field wiring.
Được đề xuất
Automotive Accessory Interface
MCP25020T-I/SL is a candidate for a CAN-based vehicle accessory node that needs local digital sensing and output control. The verified CAN V2.0B support and 1 Mb/s maximum bus rate suit conventional in-vehicle CAN communication, while the eight-I/O and two-PWM capability can serve switches, lamps, sensors, solenoids, or small motor-control stages. The compact 14-SOIC package is useful when PCB area is constrained. Because the supplied data does not confirm AEC-Q100 status, exact temperature limits, or output drive ratings, this application requires strict review of the current Microchip automotive qualification and electrical specifications before production use.
Được đề xuất
Remote Sensor Aggregation
The MCP25020T-I/SL can aggregate digital sensor states and transmit them through a CAN network, reducing the number of host-controller pins and simplifying distributed wiring. Up to eight digital I/O lines are available for discrete sensors, while configurable PWM outputs can support indicators or downstream control functions. With a verified 1 Mb/s CAN rate, the node fits high-speed control networks rather than only slow sensor buses. The 2.7 V to 5.5 V operating range is suitable for many embedded systems, but the final design must verify logic thresholds, input debounce or filtering behavior, supply decoupling, and protection for long external wiring.
Được đề xuất
Actuator and Relay Control
MCP25020T-I/SL is suitable for a distributed actuator interface that needs to translate CAN commands into digital outputs and report local feedback. The verified digital I/O and PWM resources can drive relays, valves, indicators, or driver-enable signals when the downstream devices remain within the device’s electrical limits. Keeping these functions near the actuator shortens wiring and can reduce host-controller pin pressure. The 14-SOIC package is easy to route on a conventional control PCB, while the 2.7 V to 5.5 V supply range supports embedded rails. Verify output current, flyback protection, inductive-load limits, and thermal behavior in the manufacturer documentation before use.
Được đề xuất
Digital Dashboard and Indicator Node
The MCP25020T-I/SL can support a CAN-connected dashboard or status-indicator node that accepts commands and returns digital equipment states. Up to eight digital I/O lines can represent lamps, pushbuttons, interlocks, or status flags, and up to two configurable PWM outputs can provide adjustable indicator behavior or driver control. The verified CAN V2.0B support and 1 Mb/s maximum rate allow the node to operate on a shared control bus. The device’s 14-SOIC package supports compact placement, but designers must verify LED current limits, polarity, debounce behavior, and whether external buffering is required for loads beyond the published output capability.
Được đề xuất
CAN-Based Power and Control Module
MCP25020T-I/SL can serve as the I/O companion in a CAN-based power and control module where a system controller needs to supervise local enable signals, fault inputs, and actuator outputs. Its verified supply range of 2.7 V to 5.5 V and user-configurable I/O support flexible rail selection, while CAN V2.0B operation at up to 1 Mb/s fits high-speed control traffic. The device is not itself identified as a power converter, so high-current switching, voltage regulation, and protection must remain in dedicated stages. Use the 14-SOIC footprint only after checking pin-level signal definitions, output ratings, decoupling, and fault-safe defaults in the official datasheet.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MCP25020T-I/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-E/SL | MCP25020-E/SL |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC, 0.154 in (3.90 mm) width | 14-SOIC | 14-SOIC |
| Interface | Controller Area Network (CAN) | CAN | CAN |
| CAN Standard | CAN V2.0B active | MCP25020 family; detailed value not supplied | MCP25020 family; detailed value not supplied |
Bảo phân biệt quan trọng
- Dedicated CAN I/O expansion (vsMCP25020T-E/SL)
- High-speed CAN capability (vsMCP25020-E/SL)
- Broad embedded supply range (vsMCP25020T-E/SL)
Ghi chú thiết kế
Route the CAN and digital I/O sections according to the manufacturer’s reference layout. Keep the device’s decoupling path short, place the relevant input and output return paths close to the device ground, and preserve the 14-SOIC footprint without adding copper or components that interfere with neighboring circuitry. The verified data confirms the package family but not individual pin functions, so the official pinout must control pad assignment and routing.
For a 1 Mb/s CAN node, use the transceiver and protection scheme specified by the complete system design. CAN bus routing should be treated as a controlled signal path, with termination, common-mode protection, and grounding selected from the transceiver requirements. MCP25020T-I/SL supports CAN operation up to the verified 1 Mb/s rate, but the IC does not by itself establish the physical-layer implementation.
Do not treat the I, E, T, and SL ordering codes as interchangeable without checking the Microchip ordering information. The verified snippets establish the target’s 14-SOIC package and family features, but they do not provide complete grade, temperature, pin, or lifecycle details. Confirm the exact suffix, output-drive limits, input thresholds, exposed conditions, and qualification status before releasing a replacement or production BOM.
The verified supply range is 2.7 V to 5.5 V. Provide local bypass capacitance and account for voltage tolerance, startup behavior, and current demanded by the CAN and digital I/O functions. Because exact quiescent current and output-current limits were not supplied, use the current manufacturer datasheet for regulator sizing and thermal analysis rather than estimating them from the generic CAN I/O description.
Thông tin tuân thủ
The supplied search results do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Verify these claims using the current Microchip product documentation and applicable supplier certificates.
