描述 Description

The Melexis 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 transceiver 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.

特性 Features

·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

應(yīng)用 Application

·汽車行業(yè) - 變速器
·汽車行業(yè) - 動(dòng)力系統(tǒng)
·汽車行業(yè) - 混合動(dòng)力和電動(dòng)動(dòng)力系統(tǒng)
·汽車行業(yè) - 車身、空調(diào)系統(tǒng)、舒適和照明
·汽車行業(yè) - 底盤與安全