MCP2551-E-P - 1 Mbps Fault-Tolerant CAN Transceiver
Teilenummer: MCP2551-E-P ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $0.6445 | $0,64 |
| 10 | $0.6445 | $6,45 |
| 100 | $0.6445 | $64,45 |
| 500 | $0.6445 | $322,25 |
| 1.000 | $0.6445 | $644,50 |
MCP2551-E-P Übersicht
A CAN transceiver is an interface IC that converts logic-level controller signals into the differential physical signaling used by a Controller Area Network. The MCP2551-E-P belongs to the hierarchy CAN transceiver > bus interface > interface IC > semiconductor. This device combines a CAN driver, CAN receiver, bus-fault handling, standby control, and a reference output in one physical-layer device.
Its principal features include 1 Mb/s operation, one driver and one receiver, 4.5 V to 5.5 V operation, and suitability for 12 V and 24 V systems. Externally controlled slope is especially useful when electromagnetic compatibility must be balanced against bus timing. Fault tolerance is a core function because automotive and industrial CAN buses can experience wiring faults and abnormal bus conditions.
The MCP2551-E/P designation identifies the through-hole 8-pin DIP format in the supplied distributor data. It is intended for designs using a CAN controller with a logic-side interface and a differential CANH/CANL bus connection. The package and protocol role make it relevant to automotive electronics, industrial automation, robotics, embedded control, and instrumentation.
A key design consideration is that CAN bus implementation depends on correct termination, common-mode behavior, transceiver wiring, controller compatibility, and PCB or harness layout. The verified search data identifies the device as fault tolerant and capable of 1 Mb/s operation, but detailed loop-delay, propagation-delay, receiver-threshold, and absolute-maximum-rating values were not supplied. Those values should be taken from the manufacturer datasheet before final timing or protection design.
This page synthesizes the supplied distributor and manufacturer-search data, package information, CAN use cases, replacement considerations, and practical design guidance. It does not infer undocumented electrical limits or assume regulatory compliance.
Drop-in-Alternativen für MCP2551-E-P – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MCP2551-E-P (gleiche Bauform und Footprint) – abweichend in Maximum Data Rate, Mounting Type, Package, Protocol.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MCP25612FDT-E/SL
✅ Drop-In✓ Auf Lager
$1.49 / Stück
Datenblatt ansehen →SN65HVD251P
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MCP2551-E-P Technische Daten
| Device Type | High-speed CAN transceiver |
| Protocol | CAN |
| Number of Drivers | 1 |
| Number of Receivers | 1 |
| Maximum Data Rate | 1 Mb/s |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Gehäuse | 8-DIP (0.300 in, 7.62 mm) |
| Montageart | Through-hole DIP |
| Packaging | Tube |
| Supported Vehicle Electrical Systems | 12 V and 24 V systems |
| Physical-Layer Requirement | ISO-11898 |
| Fault Tolerance | Fault-tolerant CAN device |
| Slope Control | Externally controlled slope for reduced RFI emissions |
| Differential Bus Signals | CANH and CANL |
| Controller Interface | Logic-level CAN controller interface |
MCP2551-E-P 8-dip (0.300 in, 7.62 mm) Pinbelegungsleitfaden
Pinbelegung für MCP2551-E-P (8-dip (0.300 in, 7.62 mm)-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für MCP2551-E-P.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MCP2551-E-P ist geeignet für 6 Anwendungs: Automotive CAN Network Interface, Industrial Automation Controller, Robotics and Motion Control, Embedded Sensor Network, Test and Measurement Instrument, Legacy Through-Hole CAN Module.
Automotive CAN Network Interface
The MCP2551-E-P fits a 5 V logic domain beside an automotive CAN controller because the verified data identifies a 4.5 V to 5.5 V supply range, 1 Mb/s capability, fault tolerance, and suitability for 12 V and 24 V systems. It converts controller logic into the differential CANH/CANL bus signal and receives the bus for the controller. The 8-DIP format is useful for through-hole prototype or legacy harness boards, although production designs should verify transient protection, grounding, isolation strategy, and the exact bus-pin ratings in the manufacturer datasheet.
Empfohlen
Industrial Automation Controller
MCP2551-E-P can connect an industrial controller, sensor gateway, or service module to a CAN field bus when the system uses a 5 V transceiver supply. Its verified 1 Mb/s capability supports high-speed CAN communication, while fault tolerance is valuable where motors, solenoids, wiring faults, and long harnesses create bus disturbances. The externally controlled slope helps engineers tune transition behavior for EMI control. Designers should still validate termination, common-mode behavior, protection devices, and the 12 V or 24 V system architecture before release.
Empfohlen
Robotics and Motion Control
A robot controller can use MCP2551-E-P to connect a CAN-capable motion processor or embedded controller to actuator and sensor nodes. The device's one-driver/one-receiver arrangement fits the physical-layer role, and the verified 1 Mb/s rate allows communication with multiple CAN nodes when timing and topology permit. Externally controlled slope can reduce switching-related emissions inside compact robotic equipment. The 8-DIP package may suit prototypes or serviceable through-hole modules, but production designs should consider smaller packages and verify all pin functions before conversion.
Empfohlen
Embedded Sensor Network
MCP2551-E-P is suitable for an embedded sensor concentrator that needs a reliable physical layer for a CAN-connected sensor network. The transceiver operates from 4.5 V to 5.5 V, matches the supplied one-driver/one-receiver CAN configuration, and supports communication up to 1 Mb/s. Its fault-tolerant CAN function can help maintain operation in systems where cable length or field wiring increases the risk of bus errors. Engineers must determine the correct bit timing, termination, isolation or protection approach, and bus fault limits from the complete manufacturer documentation.
Empfohlen
Test and Measurement Instrument
MCP2551-E-P can serve as the CAN interface in a bench instrument, calibration system, or laboratory controller when the equipment uses a 5 V logic supply and a conventional CAN bus. The verified 1 Mb/s capability supports high-rate data transfer, while fault tolerance is useful during cable connection and disconnect events in test environments. Externally controlled slope provides a way to manage radiated emissions in compact instruments. Use proper bus termination and grounding, and verify the exact connector, cable, and fault-protection design rather than assuming a transceiver alone guarantees system compliance.
Empfohlen
Legacy Through-Hole CAN Module
MCP2551-E-P is directly relevant to legacy or serviceable 8-DIP CAN interface boards because the verified data identifies a tube-packaged 8-DIP device. It can simplify repair and redesign work where the existing PCB uses through-hole footprints and the original system depends on the MCP2551 pin arrangement. A replacement should be selected only after comparing package pinout, logic-side behavior, supply voltage, standby function, VREF availability, and CAN bus fault requirements. Through-hole packaging also calls for careful lead clearance, connector strain relief, and harness protection.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MCP2551-E-P – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MCP2561 | SN65HVD251P |
|---|---|---|---|
| Package | 8-DIP (0.300 in, 7.62 mm) | 8-DIP candidate; exact package verification required | 8-PDIP candidate; exact package verification required |
| Brand | Microchip Technology | Microchip Technology | Texas Instruments |
| Device Type | High-speed CAN transceiver | CAN transceiver | CAN transceiver |
| Slope Control | External slope control for reduced RFI | Differences must be checked in migration document | Slope-control mode described in supplied forum result |
Wichtigste Unterscheidungsmerkmale
- Explicit 12 V and 24 V system suitability in the supplied specifications (vs. SN65HVD251P)
- Externally controlled slope for reduced RFI emissions (vs. MCP2561)
- Through-hole 8-DIP format for serviceable and legacy boards (vs. MCP2561)
Designhinweise
Do not treat a CAN transceiver replacement as interchangeable solely because it is also labeled a CAN transceiver. The supplied replacement material highlights supply, pin-function, standby, VREF, and 24 V-system differences. Before substituting, compare the complete MCP2551-E-P pinout with the candidate, confirm the 8-DIP footprint, and verify controller-side logic levels and bus-side protection requirements against the manufacturer datasheet.
Keep the CAN bus routing short and controlled, use the intended CANH/CANL differential pair, and place protection or common-mode components close to the bus connector. The verified data identifies an 8-DIP through-hole package but does not provide a complete recommended PCB layout. Validate differential impedance, termination placement, return paths, and chassis or signal-ground strategy against the final harness and EMC requirements.
Use the externally controlled slope function to reduce RFI emissions, but tune it against the required 1 Mb/s capability and the actual bus network. Longer cables, poor termination, slow or mismatched controller timing, and inductive loads can increase edge-related emissions. Measure radiated and conducted emissions in the complete product rather than relying only on the transceiver datasheet feature.
The verified supply range is 4.5 V to 5.5 V, so the transceiver must be powered from a rail that remains within that range during startup and load transients. CAN bus pins may see voltage above the logic supply in an automotive or industrial harness, so bus-side protection and grounding must be designed separately from the VDD decoupling network. Confirm pin-specific limits in the manufacturer datasheet before adding protection components.
Compliance-Informationen
The supplied search data does not provide a compliance declaration for the exact MCP2551-E-P MPN. Confirm RoHS, REACH, lead-free, halogen-free, and conflict-mineral status with current Microchip documentation before regulated production.
