參數(shù)資料
型號(hào)： TJA1054
廠商： NXP Semiconductors N.V.
元件分類(lèi)： CAN
英文描述： Fault-tolerant CAN transceiver(容錯(cuò)CAN收發(fā)器)
中文描述： 容錯(cuò)CAN收發(fā)器（容錯(cuò)的CAN收發(fā)器）
文件頁(yè)數(shù)： 2/16頁(yè)
文件大?。?/td> 75K
代理商： TJA1054
Philips Semiconductors
APPLICATION HINTS
Systems Laboratory Hamburg, Germany
Fault-tolerant CAN transceiver
V2.0
Page 2 of 16
Changes compared to Version 1.0 :
1. Chapter 3, calculation examples for PCA82C252 and TJA1053 added, new aspects
2. Chapter 4, calculation hints for termination resistors added, new aspects
Table of Contents :
1.
Comparison PCA82C252 / TJA1053 / TJA1054..........................................................................3
1.1. System parameters ..................................................................................................................3
1.2. Device parameters ...................................................................................................................3
2.
Series Resistor at Pin BAT of the TJA1053 / TJA1054..............................................................4
3.
Vcc Supply and Recommended Bypass Capacitance..............................................................5
3.1. List of used Abbreviations.........................................................................................................5
3.2. Summary..................................................................................................................................6
3.3. Average Supply Current at Absence of Bus Short-Circuit Conditions.........................................7
3.3.1. Maximum dominant supply current (without bus wiring faults).............................................7
3.3.2. Example calculation ...........................................................................................................7
3.3.3. Thermal considerations (without bus wiring faults)..............................................................7
3.3.4. Example calculation ...........................................................................................................7
3.4. Average Supply Current at Presence of a Short-Circuit of one Bus Wire ..................................8
3.4.1. Maximum dominant supply current (with CANH shorted to GND)........................................8
3.4.2. Example calculation ...........................................................................................................8
3.4.3. Thermal considerations (with CANH shorted to GND).........................................................8
3.4.4. Example calculation ...........................................................................................................8
3.4.5. Vcc extra supply current in single fault condition.................................................................9
3.4.6. Example calculation ...........................................................................................................9
3.5. Worst Case Max Vcc Supply at Presence of a Dual Short Circuit............................................10
3.5.1. Max Vcc supply current in worst case dual fault condition.................................................10
3.5.2. Example calculation .........................................................................................................10
3.5.3. Vcc extra supply current in dual fault condition .................................................................11
3.5.4. Example calculation .........................................................................................................11
3.6. Calculation of worst-case bypass capacitor.............................................................................11
3.6.1. Example calculation, separate supplied transceiver @ 83,33kBit/s ...................................12
3.6.2. Example calculation, shared supply..................................................................................12
4.
Calculation of Bus Termination Resistors and EMC issues...................................................13
4.1. How to dimension the Bus Termination Resistor values, some basic rules..............................13
4.1.1. Variable System Size, Optional Nodes .............................................................................13
4.1.2. Example calculation, Variable System Size ......................................................................14
4.2. Tolerances of Bus Termination Resistors, EMC Considerations..............................................14
4.3. Output Current and Power Dissipation of Bus Termination Resistors R
T
..................................15
4.3.1. Summary .........................................................................................................................15
4.3.2. Average power dissipation, no bus failures.......................................................................15
4.3.3. Example calculation, average power dissipation...............................................................15
4.3.4. Maximum continuous power dissipation............................................................................15
4.3.5. Example calculation, maximum continuous power dissipation...........................................15
4.3.6. Maximum peak power dissipation.....................................................................................16
4.3.7. Example calculation, maximum peak power dissipation....................................................16
5.
ESD Protection Circuit Concept ..............................................................................................16
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TJA1054_1008 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Fault-tolerant CAN transceiver
TJA1054A 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Fault-tolerant CAN transceiver
TJA1054AT 制造商:NXP Semiconductors 功能描述:TRANSCEIVER CAN FAULT TOL SO-14 制造商:NXP Semiconductors 功能描述:TRANSCEIVER, CAN FAULT TOL, SO-14 制造商:NXP Semiconductors 功能描述:Fault-tolerant CAN transceiver,TJA1054AT
TJA1054AT,512 功能描述:網(wǎng)絡(luò)控制器與處理器 IC HI SPD CAN TRANSCVR RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
TJA1054AT,518 功能描述:網(wǎng)絡(luò)控制器與處理器 IC CAN XCVR FAULT-TOL RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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