MAX3056:±80V Fault-Protected/Tolerant CAN Transceivers for In-Car Applications

Industry's First ±80V Fault Protected and Fault Tolerant CAN Transceiver Is ideal for 42V Battery Systems

The MAX3054/MAX3055/MAX3056 are interfaces between the protocol controller and the physical wires of the bus lines in a controller area network (CAN). The devices provide differential transmit capability and switch to single-wire mode if certain fault conditions occur. The MAX3054/MAX3055/MAX3056 guarantee full wake-up capability during failure modes. The extended fault-protected voltage range of CANH and CANL bus lines of ±80V allows for use in 42V high-voltage applications. Current-limiting and thermal-protection circuits protect the transmitter output stage against overcurrent faults to prevent destruction of the transmitter output stage. The CANH and CANL lines are also protected against electrical transients that may occur in an rugged environment. The transceiver provides three low-power modes that can be entered and exited through pins STB-bar and EN. An output INH pin can be used for deactivation of an external voltage regulator. The MAX3054/MAX3055/MAX3056 are designed to provide optimal operation for a specified data rate. The MAX3054 is ideal for high data rates of 250kbps. The MAX3055 is used for data rates of 125kbps and the MAX3056 is designed for 40kbps applications. For the 40kbps and 125kbps versions, a built-in slope-control feature allows the use of unshielded cables, and receiver input filters guarantee high noise immunity.

Key Features
  • Pin and Functionally Compatible with TJA1054
  • ±80V Fault Protection Suitable for 42V Battery Systems
  • Low RFI/Excellent EMC Immunity
  • Full Wake-Up Capability During Failure Modes
  • Bus-Failure Management
  • Support Single-Wire Transmission Mode with Ground Offset Voltages Up to 1.5V
  • Thermally Protected
  • Do Not Disturb the Bus Line when Unpowered
  • Low-Current Sleep and Standby Mode with Wake-Up Through Bus Lines
  • Up to 250kbps Data Rate (MAX3054)
MAX3054, MAX3055, MAX3056: Typical Operating Circuit
MAX3054, MAX3055, MAX3056: Typical Operating Circuit
Applications/Uses
  • Industrial HVAC
DataSheet
titleDownload file
MAX3054-MAX3056?Data SheetMAX3054-MAX3056.pdf
Parametrics
Part NumberICC (Dominant Mode)
(mA)
Fault Protect.
(±V)
Fault TolerantICC (Recessive Mode)
(mA)
ICC (Shutdn.)
(?A)
ESD Protect.
(±kV)
Slew Rate LimitingVSUPPLY
(V)
Package/PinsBudgetary
Price
maxtyptypSee Notes
MAX30541680Yes433No5SOIC(N)/14$2.18 @1k
MAX3055YesSOIC(N)/14$2.18 @1k
MAX3056YesSOIC(N)/14$2.26 @1k
Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX3056ASDNo Longer AvailableMAX3056ASD+SOIC(N),;14 pin;54.3 mm?-40°C to +125°CNo
MAX3056ASD+ActiveSOIC(N),;14 pin;54.3 mm?-40°C to +125°CLead Free
MAX3056ASD+TActiveN.SO;-40°C to +125°CSee data sheet
MAX3056ASD-TNo Longer AvailableMAX3056ASD+TN.SO;14 pin-40°C to +125°CSee data sheet
MAX3054-MAX3056.pdf MAX3056
MAX3054-MAX3056.pdf MAX3056
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