WMSIC Electronic Components

MICROCHIP MCP2515-I/ML MCP2515

ModelMCP2515-I/ML
PackageQFN-20(4x4)
BrandMICROCHIP
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 23+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
MICROCHIP MCP2515-I / ML
Type
MICROCHIP
Unit
Electronic Component
Minimum package
91 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
MICROCHIP
Electronic Component
MCP2515-I/ML
Electronic Component
1
Package
QFN-20(4x4)
Type
CANController
Electronic Component
CANController
Electronic Component
0.2g
Electronic Component
1
Features
Programmable positions;; Low Power
Electronic Component
BM0228062129
Operating Temperature
40℃~+85℃
Operating Voltage
2.7V~5.5V
Operating Current
5mA
Data
1Mbps

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

MCP2515-I/ML 产品概述

一 概述

MCP2515-I/ML 是 Microchip(美国微芯)推出的第二代独立 CAN 控制器,面向需要将通用微控制器与 CAN 总线连接的嵌入式系统。该器件通过 SPI 接口与主控 MCU 通信,负责实现 CAN 协议的数据帧处理、报文过滤和缓冲管理,使主控侧无需直接处理底层 CAN 协议细节。器件工作温度覆盖工业级(-40℃ 至 +85℃),适合汽车电子与工业控制等苛刻环境应用。

二 关键参数

  • 工作电压:2.7V 至 5.5V,支持 3.3V 与 5V 系统的兼容设计
  • 数据速率:最高 1 Mbps,满足经典 CAN 总线速率需求
  • 工作电流:典型 5 mA(工作模式)
  • 静态电流:低至 1 µA(待机/低功耗模式),利于电池供电系统
  • 通信接口:SPI(与主控微控制器连接)
  • 器件类型:独立 CAN 控制器(需外接 CAN 收发器)
  • 品牌:Microchip(美国微芯)
  • 封装:QFN-20 (4 mm × 4 mm)(封装紧凑,利于空间受限设计)

三 主要功能与特性

  • 完整的 CAN 协议处理单元:器件级别处理 CAN 帧的发送/接收与仲裁,减轻 MCU 负担。
  • 支持标准与扩展帧格式,数据速率最高 1 Mbps,兼容多数经典 CAN 应用场景。
  • 内置报文缓冲与过滤机制,支持硬件级的消息接收筛选,提升通信效率并降低主控处理负荷。
  • 低功耗特性:静态电流仅 1 µA,适用于待机/节能要求高的系统。
  • 宽电源电压范围(2.7V–5.5V):可在 3.3V 与 5V 平台间灵活使用,便于与多种 MCU 配合。

(注:作为独立 CAN 控制器,MCP2515 需要配合 CAN 收发器(例如 MCP2551 或其它 CAN transceiver)以实现物理层通信。)

四 典型应用场景

  • 汽车电子:车身控制模块、仪表盘单元、车载诊断接口等需要与车载 CAN 总线通信的子系统。
  • 工业控制:现场总线节点、PLC 外围扩展、工业传感器网络等需要可靠总线通信的应用。
  • 楼宇自动化与能源管理:电梯控制、楼宇控制器、光伏逆变器监控系统等。
  • 物联网与移动设备:要求低功耗的远程节点、移动设备与车载周边设备之间的 CAN 通信。
  • 机器人与运动控制:多节点通信、传感器汇聚与电机控制器间的数据交换。

五 硬件设计要点

  • 与 MCU 的 SPI 连接:根据系统 SPI 时序要求正确配置时钟、数据相位与极性,保持可靠的数据交换。
  • CAN 收发器选型:MCP2515 为控制器层设备,必须搭配符合系统电压与速率要求的 CAN 收发器(差分物理层)。
  • 电源与去耦:在 VDD 处放置合适的旁路电容(例如 0.1 µF 与 1 µF),靠近器件引脚以抑制电源噪声。
  • 布线与地平面:CAN 总线与收发器端的差分对走线需保持阻抗匹配与对称,器件供电与地应使用连续地平面以降低 EMI。
  • 低功耗管理:利用器件提供的待机或睡眠模式,在不通信时将静态电流降至微安级以延长系统能耗表现。
  • 温度与散热:QFN-20 封装热性能良好,但在高温或高负载条件下仍需考虑 PCB 散热设计与环境温度范围(-40℃ 至 +85℃)。

六 封装与采购信息

MCP2515-I/ML 的 QFN-20(4×4 mm)封装适合对板面空间敏感的产品设计。型号后缀“I”表示工业级温度范围,后缀“ML”常用于卷带包装(便于自动贴片生产)。在采购时请确认完整的料号与生产批次,并核对供货商的质量与交期信息。

七 优势总结

MCP2515-I/ML 作为成熟的独立 CAN 控制器,具有工业级温度范围、宽电源电压兼容性与低功耗特性,适合需要可靠 CAN 协议处理且希望减轻 MCU 负担的各类嵌入式系统。紧凑的 QFN 封装便于模块小型化设计,SPI 接口则提供了与主控灵活、低引脚占用的连接方式。结合恰当的 CAN 收发器与良好的 PCB 设计,MCP2515-I/ML 能为汽车、工业与楼宇等场景提供稳定的总线通信能力。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.