參數(shù)資料
型號(hào)： TLE 6263
廠商： SIEMENS AG
英文描述： CAN-LDO-ASIC(控制區(qū)域網(wǎng)絡(luò)低壓差用于汽車電路的專用集成電路)
中文描述： 的CAN - LDO穩(wěn)壓器，專用集成電路（控制區(qū)域網(wǎng)絡(luò)低壓差用于汽車電路的專用集成電路）
文件頁(yè)數(shù)： 8/37頁(yè)
文件大?。?/td> 839K
代理商： TLE 6263
confidential
Preliminary Data
TLE 6263
8
version: 2.00 date: 19.12.00
When a reset occurs due to false watchdog triggering the TLE6263 automatically
switches from normal mode or receive-only mode respectively, to the V
bat
stand-by
mode. If a watchdog reset occurs in the V
bat
stand-by mode the IC remains in this mode.
In sleep mode a wake-up at any of the wake-up inputs as well as via the bus lines
(CANH or CANL) automatically sets the TLE 6263 in V
bat
stand-by mode. In the V
bat
stand-by mode a wake-up is monitored by setting the output RxD low. To send and to
receive messages the CAN-transceiver now has to be set to normal operation mode by
the microcontroller. In case the IC shall directly be set back to sleep mode after a wake-
up, an internal wake-flip-flop has to be reseted via the SPI. Therefore IBIT1 has to be
set high an then low again by a second SPI transmission. A transition from the V
bat
stand-by mode to the normal mode or receive-only mode respectively, automatically
resets the wake-flip-flop.
Low Dropout Voltage Regulator
The low dropout voltage regulator integrated in the TLE 6263 is able to drive the internal
loads (e.g. CAN-circuit) as well as external 5V loads. Its output voltage tolerance is
better than ± 2%. The maximum output current is limited to 110 mA.
An external reverse current protection is recommended at the pin Vs to prevent the
output capacitor from being discharged by negative transients or low input voltage.
Stability of the output voltage is guaranteed for output capacitors C
Q
≥
100 nF,
nevertheless it is recommended to use capacitors C
Q
≥
10 μF to buffer the output
voltage and therefore improve the reset behavior at input voltage transients.
To stabilize the internal supply a capacitor C
VI
≥
100 nF directly connected to the pin V
CI
is required.
CAN Transceiver
The TLE 6263 is optimized for low speed data transmission up to 125 kBaud in
automotive applications. Normally a differential signal is transmitted and received
respectively. When a bus wiring failure (see
table 2
) is detected the device
automatically switches to a dedicated CANH or CANL single-wire mode to maintain the
communication if necessary. Therefore it is equipped with one differential receiver and
four single ended comparators (two for each bus line). To avoid false triggering by
external RF influences the single wire modes are activated after certain delay times. As
soon as the bus failure disappears the transceiver switches back to differential mode
after another time delay. The bus failures are monitored via the diagnosis protocol of the
SPI. It is possible to distinguish between six CAN bus failures or bus failure groups on
the bits 2 to 7 (see
table 4 and 5
).
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLE6263-3G 功能描述:CAN 接口集成電路 BODY SYSTEM ICS RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube
TLE62633GRBNT 制造商:Infineon Technologies AG 功能描述:SBC'S
TLE62633GXUMA1 制造商:Infineon Technologies AG 功能描述:System Basic Chip T/R 制造商:Infineon Technologies AG 功能描述:BODY SYSTEM ICS - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC SYSTEM BASIS CHIP DSO-28
TLE6263G 功能描述:CAN 接口集成電路 BODY SYSTEM ICS RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube
TLE6263GNUMA1 制造商:Infineon Technologies AG 功能描述:CAN 125KBd Sleep/Standby 5V Automotive 28-Pin DSO 制造商:Infineon Technologies AG 功能描述:BODY SYSTEM ICS - Tape and Reel
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