MCP25020T-I/SL - 8-Input CAN I/O Expander | Microchip
MPN： MCP25020T-I/SL ✓ 啟用中MCP25020T-I/SL 概覽
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.
直接替換替代品，適用於 MCP25020T-I/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： MCP25020T-I/SL （相同外形與佔位） — 差異在於 Package, Clock Frequency, Product Type, Automatic Transmit Buffers, Programmable Filters.
MCP25020T-E/SL
✅ 直接替換聯絡詢價
查看資料表 →MCP25020-E/SL
✅ 直接替換聯絡詢價
查看資料表 →MCP25020T-I/SL 規格
| Product Type | CAN I/O expander |
| 介面 | 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 |
| 封裝 | 14-SOIC, 0.154 in (3.90 mm) width |
| Packaging | Tape and reel |
| 安裝類型 | Surface mount |
| I/O Configuration | User-configurable digital I/O and PWM functions |
| RoHS 狀態 | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
MCP25020T-I/SL 14-soic, 0.154 in (3.90 mm) width 腳位配置指南
MCP25020T-I/SL（14-soic, 0.154 in (3.90 mm) width 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： MCP25020T-I/SL.
請參閱 資料表 以查看完整腳位配置。
典型應用
MCP25020T-I/SL 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 MCP25020T-I/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 | 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 |
主要差異化特點
- Dedicated CAN I/O expansion (對比MCP25020T-E/SL)
- High-speed CAN capability (對比MCP25020-E/SL)
- Broad embedded supply range (對比MCP25020T-E/SL)
設計說明
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.
合規資訊
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.
