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参数资料
| 型号： | TLE6286G |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | Buffer和线驱动 |
| 英文描述： | LINE TRANSCEIVER, PDSO16 |
| 封装： | PLASTIC, SOP-16 |
| 文件页数： | 22/23页 |
| 文件大小： | 424K |
| 代理商： | TLE6286G |
Preliminary Data Sheet
8
Rev. 1.20, 2005-04-13
TLE 6286
application. A wake-up caused by a message on the communication bus automatically
enables the voltage regulator by switching the INHO output high. In parallel the wake-up
is indicated by setting the RxD output low. When entering the normal mode this wake-up
flag is reset and the RxD output is released to transmit the bus data.
In case the voltage regulator control input INHI is not connected to INHO output or the
microcontroller is active respectively, the TLE 6286 can be set in normal operation mode
without a wake-up via the communication bus.
LIN Transceiver
The LIN Transceiver has already a pull-up resistor of 30 k
as termination implemented.
There is also a diode in this path, to protect the circuit from feedback of voltages from
the bus line to the power supply. To configure the TLE 6286 as a master node, an
additional external termination resistor of about 1 k
is required. To avoid reverse
currents from the bus line into the battery supply line in case of an unpowered node, it is
also recommended to place a diode in series to the external pull-up. For small systems
(low bus capacitance) the EMC performance of the system is supported by an additional
capacitor of at least 1 nF in the master node (see Figure 8, Application Example
without Bus Short to GND Protection).
An capacitor of 10
F at the supply voltage input V
S buffers the input voltage. In
combination with the required reverse polarity diode this prevents the device from
detecting power down conditions in case of negative transients on the supply line.
Bus Short to GND Feature
The TLE 6286 also has a BUS short to GND feature implemented, in order to protect the
battery from running out of charge. A normal master termination connection like
described above, 1 k
resistor and diode between bus and V
S, would cause a constantly
drawn current via this path. The resulting resistance of this short to GND is lower than
1k
. To avoid this current during a generator off state, like a parked car, the sleep mode
has a bus short to GND feature implemented in the TLE 6286. This feature is only
applicable, if the master termination is connected with the INHO pin, instead of the
V
S.
For a more detailed information see the application circuit in Figure 8 and Figure 9.
Voltage Regulator
The control amplifier compares a reference voltage, which is kept highly accurate by
resistance adjustment, to a voltage that is proportional to the output voltage and drives
the base of the series transistor via a buffer. Saturation control as a function of the load
current prevents any over-saturation of the power element. If the externally scaled down
output voltage at the reset threshold input drops below 1.35 V, the external reset delay
capacitor is discharged by the reset generator. When the voltage of the capacitor
reaches the lower threshold
V
DRL, a reset signal occurs at the reset output and is held
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相关代理商/技术参数 |
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|---|---|
| TLE6286GDUMA1 | 制造商:Infineon Technologies AG 功能描述:LIN-TRANSCEIVER WITH VOLTAGE REGULATOR 制造商:Infineon Technologies AG 功能描述:TRANSCEIVER - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC TXRX LIN VREG WATCHDOG PDSO16 |
| TLE6287GP | 功能描述:功率驱动器IC DRIVER ICS RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| TLE6287GPNUMA1 | 制造商:Infineon Technologies AG 功能描述:DEVELOPMENT TOOLS MOTOR CONTROL DEVELOPMENT KIT TAPE AND REEL 制造商:Infineon Technologies AG 功能描述:DRIVER_IC - Tape and Reel |
| TLE6288 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Smart 6 Channel Peak&Hold Switch |
| TLE6288R | 功能描述:电源开关 IC - 配电 SWITCH ICS RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
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