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Part Number: MAX3055
Description: The MAX3054/MAX3055/MAX3056 are interfaces between the protocol controller and the physical wires of t...
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MAX3055
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DataSheet
General Description
MAX3055 General Description
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 automotive applications. Current-limiting and thermalprotection 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 automotive environment.
The transceiver provides three low-power modes that can be entered and exited through pins STB 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.
MAX3055 Maximum Ratings
(All voltages are referenced to GND)
Supply Voltage (VCC) ..............................................-0.3V to +6V
Battery Voltage (VBATT).........................................-0.3V to +80V
TXD, RXD, ERR, STB, EN .............................-0.3V to (VCC + 0.3V)
CANH, CANL ..........................................................-80V to +80V
RTH, RTL ...............................................................-0.3V to +80V
RTH, RTL Current ..........................................................±180mA
WAKE ....................................................................-0.3V to +80V
INH .........................................................-0.3V to (VBATT + 0.3V)
INH Current......................................................................-0.5mA
Transient Voltage (ISO 7637)................................-200V, +200V*
Continuous Power Dissipation (TA = +70°C)
14-Pin SO (derate 8.3mW/°C above +70°C)................667mW
Operating Temperature Range ......................-40°C to +125°C
Junction Temperature.....................................................+150°C
Storage Temperature Range .........................-65°C to +150°C
Lead Temperature (soldering, 10s) ...............................+300°C
*Pending completion of testing.
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX3055 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)
· ±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)
MAX3055 Typical Application
Automotive
MAX3055 Connection Diagram
MAX3055
PDF/DataSheet Download
- Datasheet: MAX3055
- File Size: 515077 KB
- Manufacturer: Maxim
- Click here to Download
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