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TH8056
Single Wire CAN Transceiver acc. to GMW3089 V2.x
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The TH8056 is a physical layer device for a single wire data link capable of operating with various CSMA/CR protocols such as the Bosch Controller Area Network (CAN) version 2.0. This serial data link network is intended for use in applications where a high data rate is not required and a lower data rate can achieve cost reductions in both the physical media components and the microprocessor and/or dedicated logic devices that use the network.
The network shall be able to operate in either the normal data rate mode or the high-speed data download mode for assembly line and service data transfer operations. The high-speed mode is only intended to be operational when the bus is attached to an off-board service node. This node shall provide temporary bus electrical loads which facilitate higher speed operation.
The bit rate for normal communications is typically 33.33kbit/s, for high-speed transmissions as described above a typical bit rate of 83.33kbit/s is recommended. The TH8056 is designed in accordance with the Single Wire CAN Physical Layer Specification GMW3089 V2.3 and supports many additional features like under-voltage lock-out, time-out for faulty blocked input signals, output blanking time in case of bus ringing and a very low sleep mode current. |
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Features and Benefits
- Fully compatible with GMW3089 V2.3 and J2411 Single Wire CAN specification for Class B in-vehicle communications
- 30 µA typical power consumption in sleep mode independent from CAN voltage range
- Operating voltage range 5V to 27V
- Up to 40 kbps bus speed
- Up to 100 kbps high-speed transmission mode
- Logic inputs compatible with 3.3V and 5V supply systems
- Control pin for external voltage regulators
- Low RFI due to output wave shaping in normal and high voltage wake up mode
- Fully integrated receiver filter
- Bus terminals proof against short-circuits and transients in automotive environment
- Loss of ground protection, very low leakage current (typ. 20µA at 27V and 125°C)
- Protection against load dump, jump start
- Thermal overload and short circuit protection
- ESD protection of 4 kV on CAN pin (2kV on any other pin)
- Under voltage lockout
- Bus dominant time-out feature
- 14-pin thermally enhanced and 8-pin SOIC package
Product Applications
Single Wire CAN (GMW 3089)
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