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U6268B-MFPG3Y PDF预览

U6268B-MFPG3Y

更新时间: 2024-11-05 19:25:55
品牌 Logo 应用领域
爱特美尔 - ATMEL 光电二极管接口集成电路
页数 文件大小 规格书
14页 225K
描述
Interface Circuit, BIPolar, PDSO16, LEAD FREE, SO-16

U6268B-MFPG3Y 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:SOP, SOP16,.25
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.67接口集成电路类型:INTERFACE CIRCUIT
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:9.925 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:95 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:5.7/18 V
认证状态:Not Qualified子类别:Other Interface ICs
最大供电电压:18 V最小供电电压:5.7 V
标称供电电压:12.5 V表面贴装:YES
技术:BIPOLAR温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn) - annealed端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:3.8 mmBase Number Matches:1

U6268B-MFPG3Y 数据手册

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Features  
Two Identical Interface Channels  
Pre-regulated Smoothed Voltage and a Supply Current up to 50 mA for the Sensors  
Data from the Sensors by Current Modulation with a Transmission Rate of 60 kBaud  
(Transmission Bandwidth 500 kHz)  
TTL-compatible Input Activates the Sensor  
Data Output Can be Directly Connected to a Microcontroller Input  
Operation Supply Voltage Range 5.7V VS 40V  
Side-airbag  
Sensor Dual  
Interface  
ESD Protection According to MIL-STD-883C Test Method 3015.7  
High-level EMI Protection  
Benefits  
Simple Wiring Thanks to One Common Line for Supply of the Sensor and Data  
Transmission from the Sensor to the U6268B  
U6268B  
Current Modulation Provides High Noise Immunity for Data Transfer  
1. Description  
The U6268B is an interface IC for remote automotive sensors. It links the crash sen-  
sors in the driver and passenger door with the main airbag unit in the dashboard. Two  
identical channels supply the external sensors and receive digital information from  
them via one active wire each. The interface supplies the external sensors with a pre-  
regulated smoothed voltage, the external units transmit the digital information back to  
the interface by current modulation.  
As the device is designed for safety-critical applications, the highest data transmission  
security is mandatory. With high immunity against cross coupling between the two  
channels, the U6268B is tailored for the harsh automotive environment.  
Figure 1-1. Block Diagram  
Channel 1  
power  
supply  
Data  
Voltage  
comparator  
I/V converter  
Crash  
Channel 1  
sensor  
Smoothed voltage  
regulator  
Data  
trans-  
mission  
Enable  
Channel 1  
Channel 2  
Temperature  
monitor  
Short circuit  
detection  
Channel 2  
power  
supply  
Enable  
Smoothed voltage  
regulator  
Crash  
sensor  
Channel 2  
Data  
Voltage  
comparator  
Data  
trans-  
mission  
I/V converter  
Rev. 4808B–AUTO–09/05  

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