MCP2551T

Part: MCP2551

Type: High-Speed CAN Transceiver

Description: The MCP2551 is a high-speed, fault-tolerant CAN transceiver that serves as the interface between a CAN protocol controller and the physical bus, supporting up to 1 Mb/s operation and compatible with ISO-11898 standard physical layer requirements for 12V and 24V systems.

Operating Conditions:

• Supply voltage: 4.5V to 5.5V
• Operating ambient temperature: -40°C to +125°C
• Max data rate: 1 Mb/s

Absolute Maximum Ratings:

• Max supply voltage: 7.0V
• DC Voltage at CANH, CANL: -42V to +42V
• Max storage temperature: -55°C to +150°C
• Max virtual junction temperature: -40°C to +150°C

Key Specs:

• Dominant supply current: 75 mA (max, VTXD = 0.8V)
• Recessive supply current: 10 mA (max, VTXD = +2V, RS = 47 kΩ)
• Standby supply current: 465 μA (max, -40°C ≤ TAMB ≤ +125°C)
• Dominant differential output voltage: 1.5V to 3.0V (VTXD = 0.8V, VDD = 5V, 40Ω < RL < 60Ω)
• Recessive differential input voltage: -1.0V to +0.4V (-12V < V(CANL, CANH) < +12V)
• Dominant differential input voltage: 1.0V to 5.0V (-12V < V(CANL, CANH) < +12V)
• Differential input hysteresis: 100 mV to 200 mV
• CANH, CANL Common-mode input resistance: 5 kΩ to 50 kΩ

Features:

• Supports 1 Mb/s operation
• Implements ISO-11898 standard physical layer requirements
• Suitable for 12V and 24V systems
• Externally-controlled slope for reduced RFI emissions
• Detection of ground fault (permanent Dominant) on TXD input
• Power-on Reset and voltage brown-out protection
• Low current standby operation
• Protection against damage due to short-circuit conditions
• Protection against high-voltage transients
• Automatic thermal shutdown protection
• Up to 112 nodes can be connected
• High-noise immunity due to differential bus implementation

Applications:

Package:

• 8-pin

• Supports 1 Mb/s operation
• Implements ISO-11898 standard physical layer requirements
• Suitable for 12V and 24V systems
• Externally-controlled slope for reduced RFI emissions
• Detection of ground fault (permanent Dominant) on TXD input
• Power-on Reset and voltage brown-out protection
• An unpowered node or brown-out event will not disturb the CAN bus
• Low current standby operation
• Protection against damage due to short-circuit conditions (positive or negative battery voltage)
• Protection against high-voltage transients
• Automatic thermal shutdown protection
• Up to 112 nodes can be connected
• High-noise immunity due to differential bus implementation
• Temperature ranges:
• -Industrial (I): -40°C to +85°C
• -Extended (E): -40°C to +125°C

• DC Voltage at TXD, RXD, VREF and VS............................................................................................ -0.3V to VDD + 0.3V
• DC Voltage at CANH, CANL ( Note 1 ) ..........................................................................................................-42V to +42V
• Transient Voltage on Pins 6 and 7 ( Note 2 ) .............................................................................................-250V to +250V
• Storage temperature ...............................................................................................................................-55°C to +150°C
• Operating ambient temperature ..............................................................................................................-40°C to +125°C
• Virtual Junction Temperature, TVJ ( Note 3 ).............................................................................................-40°C to +150°C
• Soldering temperature of leads (10 seconds) .......................................................................................................+300°C
• ESD protection on CANH and CANL pins ( Note 4 ) ...................................................................................................6 kV
• ESD protection on all other pins ( Note 4 ) ..................................................................................................................4 kV

Note 1: Short-circuit applied when TXD is High and Low.

• 2: In accordance with ISO-7637.
• 3: In accordance with IEC 60747-1.
• 4: Classification A: Human Body Model.

† NOTICE: Stresses above those listed under 'Maximum ratings' may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.