Datasheet

ManualsBrandsMicrochip ManualsCAN Bus DevicesHigh-Speed CAN Transceiver CAN 4.5 ... 5.5V DFN

 2013-2014 Microchip Technology Inc. DS20005167C-page 1

MCP2561/2

Features:

• Supports 1 Mb/s Operation

• Implements ISO-11898-2 and ISO-11898-5 

Standard Physical Layer Requirements

• Very Low Standby Current (5 µA, typical)

•VIO Supply Pin to Interface Directly to 

CAN Controllers and Microcontrollers with 

1.8V to 5.5V I/O

• SPLIT Output Pin to Stabilize Common Mode in

Biased Split Termination Schemes

• CAN Bus Pins are Disconnected when Device is

Unpowered:

- An Unpowered Node or Brown-Out Event will

Not Load the CAN Bus

• Detection of Ground Fault:

- Permanent Dominant Detection on TXD

- Permanent Dominant Detection on Bus

• Power-on Reset and Voltage Brown-Out

Protection on V

DD Pin

• Protection Against Damage Due to Short-Circuit

Conditions (Positive or Negative Battery Voltage)

• Protection Against High-Voltage Transients in

Automotive Environments

• Automatic Thermal Shutdown Protection

• Suitable for 12V and 24V Systems

• Meets or exceeds stringent automotive design

requirements including “Hardware Requirements

for LIN, CAN and FlexRay Interfaces in Automo

tive Applications”, Version 1.3, May 2012

• High-Noise Immunity Due to Differential Bus

Implementation

• High Electrostatic Discharge (ESD) Protection on

CANH and CANL, meeting the IEC61000-4-2 up

to ±14

• Available in PDIP-8L, SOIC-8L and 3x3 DFN-8L

• Temperature ranges:

- Extended (E): -40°C to +125°C

- High (H): -40°C to +150°C

Description:

The MCP2561/2 is a Microchip Technology Inc. second

generation high-speed CAN transceiver. It serves as an

interface between a CAN protocol controller and the

physical two-wire CAN bus.

The device meets the automotive requirements for

high-speed (up to 1

Mb/s), low quiescent current,

electromagnetic compatibility (EMC) and electrostatic

discharge (ESD).

Package Types

MCP2562

PDIP, SOIC

VDD

VSS

RXD

CANH

CANL

VIO

STBYTXD

MCP2561

PDIP, SOIC

VDD

VSS

RXD

CANH

CANL

SPLIT

STBYT

MCP2561

3x3 DFN*

VDD

VSS

RXD

CANH

CANL

SPLIT

STBYT

MCP2562

3x3 DFN*

VDD

VSS

RXD

CANH

CANL

VIO

STBYTXD

* Includes Exposed Thermal Pad (EP); see Table 1-2.

MCP2561/2 Family Members

Device Feature Description

MCP2561 Split pin Common mode stabilization

MCP2562 VIO pin Internal level shifter on digital I/O pins

Note: For ordering information, see the “Product Identification System” section on page 27.

High-Speed CAN Transceiver

Summary of content (30 pages)

PAGE 1
MCP2561/2 High-Speed CAN Transceiver Features: Description: • Supports 1 Mb/s Operation • Implements ISO-11898-2 and ISO-11898-5  Standard Physical Layer Requirements • Very Low Standby Current (5 µA, typical) • VIO Supply Pin to Interface Directly to  CAN Controllers and Microcontrollers with  1.8V to 5.
PAGE 2
MCP2561/2 Block Diagram SPLIT(2) VDD/2 VIO(3) VDD Digital I/O Supply Thermal Protection POR UVLO VIO Permanent Dominant Detect TXD VIO STBY CANH Driver and Slope Control CANL Mode Control Wake-Up Filter CANH LP_RX(1) CANL Receiver RXD CANH HS_RX CANL VSS Note 1: There is only one receiver implemented. The receiver can operate in Low-Power or High-Speed mode. 2: Only MCP2561 has the SPLIT pin. 3: Only MCP2562 has the VIO pin.
PAGE 3
MCP2561/2 1.0 DEVICE OVERVIEW 1.1.1 NORMAL MODE The MCP2561/2 is a high-speed CAN, fault-tolerant device that serves as the interface between a CAN protocol controller and the physical bus. The MCP2561/2 device provides differential transmit and receive capability for the CAN protocol controller, and is fully compatible with the ISO-11898-2 and ISO-11898-5 standards. It will operate at speeds of up to 1 Mb/s. Normal mode is selected by applying a low-level to the STBY pin.
PAGE 4
MCP2561/2 1.5 Permanent Dominant Detection 1.6 The MCP2561/2 device prevents two conditions: Power-On Reset (POR) and  Undervoltage Detection The MCP2561/2 has undervoltage detection on both supply pins: VDD and VIO. Typical undervoltage thresholds are 1.2V for VIO and 4V for VDD.
PAGE 5
MCP2561/2 1.7.1 TRANSMITTER DATA  INPUT PIN (TXD) The CAN transceiver drives the differential output pins CANH and CANL according to TXD. It is usually connected to the transmitter data output of the CAN controller device. When TXD is Low, CANH and CANL are in the Dominant state. When TXD is High, CANH and CANL are in the Recessive state, provided that another CAN node is not driving the CAN bus with a Dominant state.
PAGE 6
MCP2561/2 1.8 Typical Applications FIGURE 1-1: MCP2561 WITH SPLIT PIN VBAT 5V LDO 0.1 μF PIC® MCU CANRX RBX RXD STBY CANH CANH SPLIT 300: Optional(1) VSS CANL VSS 60: 4700 pF 60: CANL Optional resistor to allow communication during bus failure (CANL shorted to ground). FIGURE 1-2: VBAT MCP2562 WITH VIO PIN 5V LDO 1.8V LDO 0.1 μF VDD PIC® MCU VIO CANTX TXD CANRX RXD RBX VSS DS20005167C-page 6 0.
PAGE 7
MCP2561/2 2.0 ELECTRICAL CHARACTERISTICS 2.1 Terms and Definitions A number of terms are defined in ISO-11898 that are used to describe the electrical characteristics of a CAN transceiver device. These terms and definitions are summarized in this section. 2.1.1 BUS VOLTAGE VCANL and VCANH denote the voltages of the bus line wires CANL and CANH relative to ground of each individual CAN node. 2.1.
PAGE 8
MCP2561/2 Absolute Maximum Ratings† VDD .............................................................................................................................................................................7.0V VIO ..............................................................................................................................................................................7.0V DC Voltage at TXD, RXD, STBY and VSS ..........................................................................
PAGE 9
MCP2561/2 2.2 DC Characteristics Electrical Characteristics: Extended (E): TAMB = -40°C to +125°C and High (H): TAMB = -40°C to +150°C;  VDD = 4.5V to 5.5V, VIO = 1.8V to 5.5V (Note 2), RL = 60; unless otherwise specified. Characteristic Sym. Min. Typ. Max. Voltage Range VDD 4.5 — 5.
PAGE 10
MCP2561/2 2.2 DC Characteristics (Continued) Electrical Characteristics: Extended (E): TAMB = -40°C to +125°C and High (H): TAMB = -40°C to +150°C;  VDD = 4.5V to 5.5V, VIO = 1.8V to 5.5V (Note 2), RL = 60; unless otherwise specified. Characteristic CANH: Short Circuit  Output Current Sym. Min. Typ. Max.
PAGE 11
MCP2561/2 2.2 DC Characteristics (Continued) Electrical Characteristics: Extended (E): TAMB = -40°C to +125°C and High (H): TAMB = -40°C to +150°C;  VDD = 4.5V to 5.5V, VIO = 1.8V to 5.5V (Note 2), RL = 60; unless otherwise specified. Characteristic Sym. Min. Typ. Max. Units Conditions 0.5VDD 0.7VDD V Normal mode;  ISPLIT = -500 µA to +500 µA 0.45VDD 0.5VDD COMMON MODE STABILIZATION OUTPUT (SPLIT) Output Voltage Vo 0.3VDD 0.
PAGE 12
MCP2561/2 FIGURE 2-2: PHYSICAL BIT REPRESENTATION AND SIMPLIFIED BIAS IMPLEMENTATION CANH, CANL, SPLIT Normal Mode Standby Mode CANH SPLIT SPLIT floating CANL Recessive Dominant Recessive Time VDD CANH VDD/2 Normal RXD Standby Mode CANL DS20005167C-page 12  2013-2014 Microchip Technology Inc.
PAGE 13
MCP2561/2 2.3 AC Characteristics Electrical Characteristics: Extended (E): TAMB = -40°C to +125°C and High (H): TAMB = -40°C to +150°C;  VDD = 4.5V to 5.5V, VIO = 1.8V to 5.5V (Note 2), RL = 60; unless otherwise specified. Param. No. Sym. 1 tBIT Bit Time 2 fBIT Bit Frequency Characteristic Min. Typ. Max. Units 1 — 69.44 µs 14.
PAGE 14
MCP2561/2 FIGURE 2-5: TEST CIRCUIT FOR AUTOMOTIVE TRANSIENTS CANH TXD SPLIT CAN Transceiver 1000 pF Transient Generator RL RXD CANL GND STBY 1000 pF Note: On MCP2562, VIO is connected to VDD. The wave forms of the applied transients shall be in accordance with ISO-7637, Part 1, test pulses 1, 2, 3a and 3b. FIGURE 2-6: HYSTERESIS OF THE RECEIVER RXD (receive data output voltage) VOH VDIFF (r)(i) VDIFF (d)(i) VOL VDIFF (h)(i) 0.5 DS20005167C-page 14 VDIFF (V) 0.
PAGE 15
MCP2561/2 2.
PAGE 16
MCP2561/2 2.5 Thermal Specifications Parameter Symbol Min. Typ. Max. Units Specified Temperature Range TA -40 — +125 C -40 — +150 Operating Temperature Range TA -40 — +150 C Storage Temperature Range TA -65 — +155 C Thermal Resistance, 8L-DFN 3x3 JA — 56.7 — C/W Thermal Resistance, 8L-PDIP JA — 89.3 — C/W Thermal Resistance, 8L-SOIC JA — 149.
PAGE 17
MCP2561/2 3.0 PACKAGING INFORMATION 3.1 Package Marking Information 8-Lead DFN (3x3 mm) Example: Part Number Code MCP2561-E/MF DADR MCP2561T-E/MF DADR MCP2561-H/MF DADS MCP2561T-H/MF DADS MCP2562-E/MF DADU MCP2562T-E/MF DADU MCP2562-H/MF DADT MCP2562T-H/MF DADT 8-Lead PDIP (300 mil) Example: XXXXXXXX XXXXXNNN MCP2561 3 E/P e^^256 1307 Example: YYWW 8-Lead PDIP (300 mil) 8-Lead SOIC (150 mil) OR MCP2561 3 H/P e^^256 1307 Example: MCP2561E 3 SN e^^1246 256 NNN Legend: XX...
PAGE 18
MCP2561/2 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS20005167C-page 18  2013-2014 Microchip Technology Inc.
PAGE 19
MCP2561/2 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging  2013-2014 Microchip Technology Inc.
PAGE 20
MCP2561/2 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS20005167C-page 20  2013-2014 Microchip Technology Inc.
PAGE 21
MCP2561/2 3 & ' !& " & 4 # * !( ! ! & 4 % & & # & && 255*** ' '5 4 N NOTE 1 E1 1 3 2 D E A2 A L A1 c e eB b1 b 6 &! ' ! 9 ' &! 7"') % ! 7,8. 7 7 & ; < & & 7: 1 , = = - 1 ! & & = = .
PAGE 22
MCP2561/2 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS20005167C-page 22  2013-2014 Microchip Technology Inc.
PAGE 23
MCP2561/2 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging  2013-2014 Microchip Technology Inc.
PAGE 24
MCP2561/2 ! "" #$ %& ! ' 3 & ' !& " & 4 # * !( ! ! & 4 % & & # & && 255*** ' '5 4 DS20005167C-page 24  2013-2014 Microchip Technology Inc.
PAGE 25
MCP2561/2 APPENDIX A: REVISION HISTORY Revision C (July 2014) The following is the list of modifications: 1. 2. 3. 4. 5. Added references to ISO-11898-2 throughout the document. Updated Section 1.1.2 “Standby Mode”. Described transition from Standby to Normal mode. Emphasized that wake-up on CAN bus requires both VDD and VIO. Explained that POR and Brown-out are limited to VDD pin in Section 1.6 “Power-On Reset (POR) and Undervoltage Detection”. Updated Section 2.2 “DC Characteristics”.
PAGE 26
MCP2561/2 NOTES: DS20005167C-page 26  2013-2014 Microchip Technology Inc.
PAGE 27
MCP2561/2 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. PART NO.
PAGE 28
MCP2561/2 NOTES: DS20005167C-page 28  2013-2014 Microchip Technology Inc.
PAGE 29
Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature.
PAGE 30
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