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TH8055 Datasheet

  • TH8055

  • Single Wire CAN Transceiver

  • 268.29KB

  • 15頁(yè)

  • MICRO-ELECTRONICS

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TH8055
Single Wire CAN Transceiver
Features and Benefits
Fully compatible with J2411 Single Wire CAN specification for Class B in vehicle
communications
30 碌A(chǔ) typical power consumption in sleep mode independent from CAN voltage range
Operating voltage range 5鈥?8V
Up to 100 kbps high-speed transmission mode
Up to 40 kbps bus speed
Selective BUS wakeup
Low RFI due to output wave shaping
Fully integrated receiver filter
Bus terminals proof against short-circuits and transients in automotive environment
Loss of ground protection
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- and over voltage lock out
Bus dominant timeout feature
Ordering Information
Part No.
TH8055
Temperature Suffix
J (-40 鈥?125 擄C)
Package
DC (SOIC 150mil)
General Description
The TH8055 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 high data rate is
not required and a lower data rate can achieve cost
reductions in both the physical media components and
in the microprocessor and/or dedicated logic devices
which use the network.
The network shall be able to operate in either the
normal data rate mode or a 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. Such temporary
loads shall be removed when not performing download
operations.
The bit rate for normal communications is typically 33 kbit/s,
for high speed transmissions like described above a typical
bit rate of 83 kbit/s is recommended. The TH8055 is
designed in accordance to the Single Wire CAN Physical
Layer Specification GMW3089 V1.4 and supports many
additional features like undervoltage lockout , timeout for
faulty blocked input signals, output blanking time in case of
bus ringing and a very low sleep mode current.
390108055
Rev. 1.1a
Page 1 of 15
Jan 2002

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