MCP2542FD/4FD, MCP2542WFD/4WFD CAN FD Transceiver with Wake-up Pattern (WUP) Option Features Description Supports CAN 2.0 and CAN with Flexible The MCP2542FD/4FD and MCP2542WFD/4WFD Data-Rate (CAN FD) Physical Layer Transceiver CAN transceiver family is designed for high-speed Requirements CAN FD applications of up to 8 Mbps communication speed. The maximum propagation delay was improve d Optimized for CAN FD at 2, 5 and 8 Mbps Operation: to support longer bus length. - Maximum propagation delay: 120 ns - Loop delay symmetry: -10%/+10% (2 Mbps) The device meets the automotive requirements fo r MCP2542FD/4FD: CAN FD bit rates exceeding 2 Mbps, low quiescent current, Electromagnetic Compatibility (EMC) and - Wake-up on CAN activity, 3.6 s filter time Electrostatic Discharge (ESD). MCP2542WFD/4WFD: - Wake-up on Pattern (WUP), as specified in ISO 11898-2:2016, 3.6 s activity filter time Applications Implements ISO 11898-2:2016 CAN 2.0 and CAN FD networks in automotive, industrial, Qualified According to AEC-Q100 Rev. G aerospace, medical and consumer applications. Very Low Standby Current (4 A, typical) VIO Supply Pin to Interface Directly to CAN Package Types Controllers and Microcontrollers with 1.8V to 5V I/O CAN Bus Pins are Disconnected when Device is MCP2542FD MCP2544FD MCP2542WFD MCP2544WFDT Unpowered: - An unpowered node or brown-out event will 3x3 DFN* 3x3 DFN* not load the CAN bus TXD 1 8 STBY TXD 1 8 STBY VSS 2 CANH VSS 2 7 CANH - Device is unpowered if VDD or VIO drop EP 7 EP 9 9 VDD 3 6 CANL VDD 3 6 CANL below its POR level RXD 4 5 VIO RXD 4 5 NC Detection of Ground Fault: - Permanent dominant detection on TXD MCP2542FD MCP2544FD - Permanent dominant detection on bus MCP2542WFD MCP2544WFDT Automatic Thermal Shutdown Protection 8-Lead SOIC 8-Lead SOIC Suitable for 12V and 24V Systems TXD 1 8 STBY TXD 1 8 STBY Meets or Exceeds Stringent Automotive Design VSS VSS 2 7 CANH 2 7 CANH Requirements, Including Hardware Require- VDD 3 6 CANL VDD 3 6 CANL ments for LIN, CAN and FlexRay Interfaces in RXD 4 5 VIO RXD 4 5 NC Automotive Applications, Version 1.3, May 2012: - Conducted emissions 2 Mbps with Common-Mode Choke (CMC) MCP2542FD MCP2544FD MCP2542WFD MCP2544WFDT - Direct Power Injection (DPI) 2 Mbps with 2x3 TDFN* 2x3 TDFN* CMC TXD 1 8 STBY TXD 1 8 STBY Meets SAE J2962/2 Communication Transceiver VSS 2 7 VSS 2 CANH 7 CANH Qualification Requirements - CAN: EP EP 9 9 VDD 3 6 CANL VDD 3 6 CANL - Radiated emissions 2 Mbps without a CMC RXD 4 5 VIO RXD 4 5 NC High Electrostatic Discharge (ESD) Protection on CANH and CANL, meeting IEC61000-4-2 up to 13 kV * Includes Exposed Thermal Pad (EP) see Table 1-1. Temperature Ranges: - Extended (E): -40C to +125C - High (H): -40C to +150C 2016-2020 Microchip Technology Inc. DS20005514C-page 1MCP2542FD/4FD, MCP2542WFD/4WFD MCP2542FD/4FD, MCP2542WFD/4WFD Family Members Device VIO pin WUP Description MCP2542FD Yes No MCP2544FD No No Internal Level Shifter on Digital I/O Pins MCP2542WFD Yes Yes Wake-up on Pattern (see Section 1.6.5 Remote Wake-up via CAN Bus (WUP)) MCP2544WFDT No Yes Internal Level Shifter on Digital I/O Pins Wake-up on Pattern Note: For ordering information, see the Product Identification System section. Block Diagram VIO VDD Digital I/O Thermal POR Supply Protection UVLO VIO Permanent Dominant TXD Detect CANH Driver VIO and Slope Control CANL STBY Mode Control VDD CANH Wake-up LP RX Filter CANL VDD RXD CANH HS RX CANL VSS Note 1: There is one receiver implemented. The receiver can operate in Low-Power or High-Speed mode. 2: Only MCP2542FD and MCP2542WFD have the VIO pin. 3: In the MCP2544FD and MCP2544WFDT, the supply for the digital I/O is internally connected to DS20005514C-page 2 2016-2020 Microchip Technology Inc.