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TPIC1021DR PDF预览

TPIC1021DR

更新时间： 2024-11-06 12:16:11
品牌 Logo 应用领域
德州仪器 - TI 网络接口电信集成电路电信电路光电二极管
页数 文件大小 规格书
18页 738K
描述
LIN Physical Interface

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TPIC1021DR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Not Recommended零件包装代码：SOIC
包装说明：SOIC-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：7.34Is Samacsys：N
JESD-30 代码：R-PDSO-G8JESD-609代码：e4
长度：4.9 mm湿度敏感等级：1
功能数量：1端子数量：8
收发器数量：1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：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.75 mm
最大压摆率：2.5 mA标称供电电压：14 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：Nickel/Palladium/Gold (Ni/Pd/Au)
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：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

TPIC1021DR 数据手册

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TPIC1021  
LIN Physical Interface  
www.ti.com  
SLIS113C–OCTOBER 2004–REVISED JULY 2005  
FEATURES  
•
Dominant State Timeout Protection on TXD  
Pin  
•
LIN Physical Layer Specification Revision 2.0  
compliant. Conforms to SAEJ2602  
Recommended Practice for LIN  
•
•
Wake-Up Request on RXD Pin  
Control of External Voltage Regulator (INH  
Pin)  
•
•
LIN Bus Speed up to 20 kbps  
ESD Protection to 12 kV (Human Body Model)  
on LIN Pin  
•
•
•
Integrated Pull-Up Resistor and Series Diode  
for LIN Slave Applications  
•
•
LIN Pin Handles Voltage from -40 V to +40 V  
Low EME (Electromagnetic Emissions), High  
EMI (Electromagnetic Immunity)  
Survives Transient Damage in Automotive  
Environment (ISO 7637)  
Bus Terminal Short-Circuit Protected for  
Short to Battery or Short to Ground  
•
•
Operation with Supply from 7 V to 27 V DC  
•
•
Thermally Protected  
Two Operation Modes: Normal and Low  
Power (Sleep) Mode  
Ground Disconnection Fail Safe at System  
Level  
•
•
•
Low Current Consumption in Low Power  
Mode  
•
•
Ground Shift Operation at System Level  
Wake-Up Available from LIN Bus, Wake-Up  
Input (External Switch) or Host MCU  
Unpowered Node Does Not Disturb the  
Network  
Interfaces to MCU with 5 V or 3.3 V I/O Pins  
D PACKAGE  
(TOP VIEW)  
RXD  
EN  
NWake  
TXD  
INH  
1
2
3
4
8
7
6
5
V
SUP  
LIN  
GND  
DESCRIPTION  
The TPIC1021 is the LIN (Local Interconnect Network) physical interface, which integrates the serial transceiver  
with wake up and protection features. The LIN bus is a single wire, bi-directional bus typically used for low-speed  
in-vehicle networks using baud rates between 2.4 kbps and 20 kbps.  
The LIN bus has two logical values: the dominant state (voltage near ground) represents a logic ‘0’ and the  
recessive state (voltage near battery) and represents logic ‘1’.  
In the recessive state the LIN bus is pulled high by the TPIC1021’s internal pull-up resistor (30kΩ) and series  
diode, so no external pull-up components are required for slave applications. Master applications require an  
external pull-up resistor (1kΩ) plus a series diode.  
The LIN Protocol output data stream on the TXD pin is converted by the TPIC1021 into the LIN bus signal  
through a current limited, wave-shaping low-side driver with control as outlined by the LIN Physical Layer  
Specification Revision 2.0. The receiver converts the data stream from the LIN bus and outputs the data stream  
via the RXD pin.  
In Low Power mode, the TPIC1021 requires very low quiescent current even though the wake-up circuits remain  
active allowing for remote wake up via the LIN bus or local wake ups via NWake or EN pins.  
The TPIC1021 has been designed for operation in the harsh automotive environment. The device can handle LIN  
bus voltage swing from +40 V down to ground and survive -40 V. The device also prevents back feed current  
through the LIN pin to the supply input in case of a ground shift or supply voltage disconnection. It also features  
under-voltage, over temperature, and loss of ground protection. In the event of a fault condition the output is  
immediately switched off and remains off until the fault condition is removed.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2004–2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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TPIC1021DR 替代型号

型号 品牌 替代类型 描述 数据表
TPIC1021AQDRQ1 TI

完全替代

 LIN PHYSICAL INTERFACE
TPIC1021D TI

完全替代

 LIN Physical Interface

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