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ATA6620N PDF预览

ATA6620N

更新时间： 2024-02-27 05:31:08
品牌 Logo 应用领域
爱特美尔 - ATMEL 总线收发器稳压器
页数 文件大小 规格书
22页 404K
描述
LIN Bus Transceiver with Integrated Voltage Regulator

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ATA6620N 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：LEAD FREE, SO-8
针数：8Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.82
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.925 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.65 mm标称供电电压：13.5 V
表面贴装：YES电信集成电路类型：INTERFACE CIRCUIT
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：3.8 mmBase Number Matches：1

ATA6620N 数据手册

 浏览型号ATA6620N的Datasheet PDF文件第3页浏览型号ATA6620N的Datasheet PDF文件第4页浏览型号ATA6620N的Datasheet PDF文件第5页浏览型号ATA6620N的Datasheet PDF文件第7页浏览型号ATA6620N的Datasheet PDF文件第8页浏览型号ATA6620N的Datasheet PDF文件第9页 
4.2  
Modes of Reduced Current Consumption  
4.2.1  
Silent Mode  
A falling edge at EN while TXD is high switches the IC into Silent mode. The TXD Signal has to  
be logic high during the Mode Select window (Figure 4-2 on page 6). For EN and TXD either two  
independent outputs can be used, or two outputs from the same microcontroller port; in the sec-  
ond case, the mode change is only one command.  
In Silent mode the transmission path is disabled. Supply current from VBatt is typically  
IVSsi = 40 µA with no load at the VCC regulator.  
The overall supply current from VBatt is the result of 40 µA plus the VCC regulator output current  
IVCCs  
.
The 5V regulator is in low tolerance mode (4.65V to 5.35V) and can source up to 50 mA. In  
Silent mode the internal slave termination between pin LIN and pin VS is disabled to minimize  
the power dissipation in case pin LIN is short-circuited to GND. Only a weak pull-up current (typ-  
ically 10 µA) between pin LIN and pin VS is present.  
The Silent mode voltage is sufficient to run an external microcontroller on the ECU, for example  
in Power Down mode. The undervoltage reset is VCCthS < 4.4V. If an undervoltage condition  
occurs, NRES is switched to low and the ATA6620N changes state to Pre-normal mode.  
A falling edge at pin LIN followed by a dominant bus level maintained for a certain time period  
(tbus) results in a remote wake-up request. The device switches from Silent mode to Pre-normal  
mode, then the internal LIN slave termination resistor is switched on. The remote wake-up  
request is indicated by a low level at pin RXD to interrupt the microcontroller and a high level at  
pin TXD(Figure 4-3 on page 7).  
With EN high, ATA6620N switches directly from Silent- via Pre-normal to Normal mode.  
Figure 4-2. Switch to Silent Mode  
Silent Mode  
Normal Mode  
EN  
Mode select window  
TXD  
td = 3.2 µs  
NRES  
VCC  
Delay time silent mode  
t
d_sleep = maximum 20 µs  
LIN  
LIN switches directly to recessive mode  
6
ATA6620N  
4850H–AUTO–12/07  
1...3456789...22

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