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參數(shù)資料
| 型號(hào)： | TJA1053 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 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） |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 75K |
| 代理商： | TJA1053 |
Philips Semiconductors
APPLICATION HINTS
Systems Laboratory Hamburg, Germany
Fault-tolerant CAN transceiver
V2.0
Page 12 of 16
3.6.1. Example calculation, separate supplied transceiver @ 83,33kBit/s
In case of a separate transceiver supply the bypass capacitance has to be calculated based on the
single fault condition with CANH shorted to GND. Here the dual fault is not relevant.
Assumption of 83,33 kBit/s :
Maximum allowed Vcc voltage drop :
t
dom_max
= 6 * 12 us = 72 us
V
max
= 0.25V
PCA82C252
:
C
BUFF 252
= 135.5 mA * 72 us / 0.25 V =
39 uF
(Ex 10.1)
TJA1053
:
C
BUFF 1053
= 135.5 mA * 72 us / 0.25 V =
39 uF
(Ex 10.2)
TJA1054
:
C
BUFF 1054
= 137 mA * 72 us / 0.25 V =
39,5 uF
(Ex 10.3)
In this example the bypass capacitance to be reserved for the Vcc supply of the Transceiver is
recommended to be 39,5 uF minimum at 83,33 kBit/s. It may become smaller, if the used voltage
regulator is able to deliver an extra current within t
dom_max
.
3.6.2. Example calculation, shared supply
In case of a shared supply concept the bypass capacitance has to be calculated based on the worst
case dual fault condition in order to keep the uC supply stabile:
Assumption of 83,33 kBit/s :
Maximum allowed Vcc voltage drop :
t
dom_max
= 17 * 12 us = 204 us
V
max
= 0.25V
PCA82C252
:
C
BUFF 252
= 136.5 mA * 204 us / 0.25 V =
111.4 uF
(Ex 10.1)
TJA1053
:
C
BUFF 1053
= 136.5 mA * 204 us / 0.25 V =
111.4 uF
C
BUFF 1054
= 138 mA * 204 us / 0.25 V =
113 uF
(Ex 10.2)
TJA1054
:
(Ex 10.3)
In this example the bypass capacitance to be reserved for the Vcc supply of the Transceiver is
recommended to be 113 uF minimum at 83,33 kBit/s. It may become smaller, if the used voltage
regulator is able to deliver an extra current within t
dom_max
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TJA1053T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Fault-tolerant CAN transceiver |
| TJA1053T/N,112 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC FAULT TOLERANT TRANSCEIVER 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 |
| TJA1053T/N,118 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC FAULT TOLERANT TRANSCEIVER 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 |
| TJA1053T/N1,512 | 功能描述:IC CAN TXRX FAULT-TOL 14-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,140 系列:AU 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:CAN 電源電壓:5.3 V ~ 27 V 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SO 包裝:管件 其它名稱:935267940512AU5790D14AU5790D14-ND |
| TJA1053T/N1,518 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC FAULT TOLERANT TRANSCEIVER 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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