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TJA1128HTK PDF预览

TJA1128HTK

更新时间: 2024-11-22 15:19:03
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
42页 709K
描述
LIN Mini System Basis Chip with integrated voltage regulator

TJA1128HTK 数据手册

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TJA1128  
LIN mini system basis chip  
Rev. 2 — 24 April 2023  
Product data sheet  
1 General description  
The TJA1128 is a LIN Mini System Basis Chip (SBC) with a LIN transceiver, a low-  
dropout voltage regulator (LDO), a window watchdog, two WAKE inputs, one general  
purpose input (GPI) and one high-voltage multipurpose (HVMPO) output. The voltage  
regulator delivers up to 85 mA and is available with 3.3 V and 5.0 V output voltages. The  
TJA1128 can be operated in very low-current STANDBY and SLEEP modes with bus and  
local wake-up capability.  
2 Features and benefits  
2.1 General  
Intended for use in road vehicles with a nominal 12 V system, full battery operating  
range from 5.0 V to 28 V  
Very low current consumption in SLEEP and STANDBY mode  
SLEEP mode (voltage regulator off): typically 14 µA  
STANDBY mode (voltage regulator on): typically 22 µA  
Remote wake-up capability via pin LIN  
Local wake-up via pins WAKE1 and WAKE2  
Configurable level-sensitive wake-up detection  
Cyclic sampled wake-up detection option with synchronized bias control via pin  
HVMPO  
Wake-up source recognition  
Configurable high-voltage multipurpose output (HVMPO)  
Bias control output for cyclic wake-up  
Limp home output  
Bias control output for battery monitoring circuit  
General purpose input (GPI) controlled output  
Limp home function on overtemperature, watchdog service fail, VCC undervoltage and  
RSTN short-circuit to ground  
Overtemperature shutdown  
Bidirectional reset pin with variable power-on reset length  
2.2 Device customization  
Quasi one-time configuration via Serial Peripheral Interface (SPI)  
Initial mode to configure and disable  
Functions (e.g., LIN, watchdog, Reset, WAKE)  
Modes (e.g., SLEEP)  
 
 
 
 

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