ZHCSJ75C
December 2018 – June 2022
TLIN2441-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
ESD Ratings, IEC Specification
7.4
Recommended Operating Conditions
7.5
Thermal Information
7.6
Power Supply Characteristics
7.7
Electrical Characteristics
7.8
AC Switching Characteristics
7.9
Typical Characteristics
8
Parameter Measurement Information
8.1
Test Circuit: Diagrams and Waveforms
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
LIN Pin
9.3.1.1
LIN Transmitter Characteristics
9.3.1.2
LIN Receiver Characteristics
9.3.1.2.1
Termination
9.3.2
TXD (Transmit Input)
9.3.3
RXD (Receive Output)
9.3.4
WAKE (High Voltage Local Wake Up Input)
9.3.5
WDT/CLK (Pin Programmable Watchdog Delay Input/SPI Clock)
9.3.6
WDI/SDI (Watchdog Timer Input/SPI Serial Data In)
9.3.7
PIN/nCS (Pin Watchdog Select/SPI Chip Select)
9.3.8
LIMP (LIMP Home output – High Voltage Open Drain Output)
9.3.9
nWDR/SDO (Watchdog Timeout Reset Output/SPI Serial Data Out)
9.3.10
VSUP (Supply Voltage)
9.3.11
GND (Ground)
9.3.12
EN/nINT (Enable Input/Interrupt Output in SPI Mode)
9.3.13
nRST/nWDR (Reset Output/Watchdog Timeout Reset Output)
9.3.14
VCC (Supply Output)
9.3.15
Protection Features
9.3.15.1
TXD Dominant Time Out (DTO)
9.3.15.2
Bus Stuck Dominant System Fault: False Wake Up Lockout
9.3.15.3
Thermal Shutdown
9.3.15.4
Under Voltage on VSUP
9.3.15.5
Unpowered Device and LIN Bus
9.4
Device Functional Modes
9.4.1
Normal Mode
9.4.2
Sleep Mode
9.4.3
Standby Mode
9.4.4
Failsafe Mode
9.4.5
Wake-Up Events
9.4.5.1
Wake-Up Request (RXD)
9.4.5.2
Local Wake Up (LWU) via WAKE Terminal
9.4.6
Mode Transitions
9.4.7
Voltage Regulator
9.4.7.1
VCC
9.4.7.2
Output Capacitance Selection
9.4.7.3
Low-Voltage Tracking
9.4.7.4
Power Supply Recommendation
9.4.8
Watchdog
9.4.8.1
Watchdog Error Counter
9.4.8.2
Pin Control Mode
9.4.8.3
SPI Control Programming
9.4.8.4
Watchdog Timing
9.5
Programming
9.5.1
SPI Communication
9.5.1.1
Chip Select Not (nCS)
9.5.1.2
Serial Clock Input (CLK)
9.5.1.3
Serial Data Input (SDI)
9.5.1.4
Serial Data Output (SDO)
9.6
Registers
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.1.1
Normal Mode Application Note
10.2.1.2
Standby Mode Application Note
10.2.1.3
TXD Dominant State Timeout Application Note
10.2.2
Detailed Design Procedures
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
接收文档更新通知
13.3
支持资源
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
术语表
14
Mechanical, Packaging, and Orderable Information
1
特性
AEC-Q100:符合汽车应用要求
温度等级 1:–40°C 至 125°C T
A
符合本地互连网络 (LIN) 物理层规范 ISO/DIS 17987-4,并符合适用于 LIN 的 SAE J2602 推荐实践要求(请参阅
SLLA494
)
支持 12V 应用
和 24V 应用
由引脚或串行外设接口 SPI 配置的集成看门狗监控器
宽工作范围
5.5V 至 36V 的电源电压
±58V LIN 总线故障保护
支持 3.3V
(
TLIN2441
3-Q1)
或 5V
(
TLIN2441
5-Q1)
的 LDO 输出
睡眠模式:超低电流消耗
允许以下类型的唤醒事件:
LIN 总线
通过 EN 引脚的本地唤醒
通过 WAKE 引脚的本地唤醒
上电和断电无干扰运行
保护特性:
ESD 保护、V
SUP
欠压保护
TXD 显性超时 (DTO) 保护、热关断
系统级未供电节点或接地断开失效防护
V
CC
电源在 85°C 时为 70mA、24V
SUP
采用无引线 VSON (14) 封装,具有改善的自动光学检测 (AOI) 功能