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ATA6630 PDF预览

ATA6630

更新时间: 2024-11-05 08:39:19
品牌 Logo 应用领域
爱特美尔 - ATMEL /
页数 文件大小 规格书
36页 1204K
描述
Negative Trigger Input for Watchdog

ATA6630 数据手册

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Features  
Master and Slave Operation Possible  
Supply Voltage up to 40V  
Operating voltage VS = 5V to 27V  
Typically 10 µA Supply Current During Sleep Mode  
Typically 40 µA Supply Current in Silent Mode  
Linear Low-drop Voltage Regulator:  
– Normal, Fail-safe, and Silent Mode  
ATA6628 VCC = 3.3V ±2%  
LIN Bus  
ATA6630 VCC = 5.0V ±2%  
– In Sleep Mode VCC is Switched Off  
Transceiver  
with 3.3V (5V)  
Regulator and  
Watchdog  
VCC- Undervoltage Detection (4 ms Reset Time) and Watchdog Reset Logical  
Combined at Open Drain Output NRES  
High-speed Mode Up to 115 kBaud  
Internal 1:6 Voltage Divider for VBattery Sensing  
Negative Trigger Input for Watchdog  
Boosting the Voltage Regulator Possible with an External NPN Transistor  
LIN Physical Layer According to LIN 2.0, 2.1 and SAEJ2602-2  
Wake-up Capability via LIN-bus, Wake Pin, or Kl_15 Pin  
INH Output to Control an External Voltage Regulator or to Switch off the Master Pull Up  
Resistor  
ATA6628  
ATA6630  
Bus Pin is Overtemperature and Short-circuit Protected versus GND and Battery  
Adjustable Watchdog Time via External Resistor  
Advanced EMC and ESD Performance  
Fulfills the OEM “Hardware Requirements for LIN in Automotive Applications Rev.1.1”  
Interference and Damage Protection According ISO7637  
Package: QFN 5 mm × 5 mm with 20 Pins  
Preliminary  
1. Description  
The ATA6628 is a fully integrated LIN transceiver, which complies with the LIN 2.0,  
2.1 and SAEJ2602-2 specifications. It has a low-drop voltage regulator for  
3.3V/50 mA output and a window watchdog. The ATA6630 has the same functionality  
as the ATA6628; however, it uses a 5V/50 mA regulator. The voltage regulator is able  
to source 50 mA, but the output current can be boosted by using an external NPN  
transistor. This chip combination makes it possible to develop inexpensive, simple, yet  
powerful slave and master nodes for LIN-bus systems. ATA6628/ATA6630 are  
designed to handle the low-speed data communication in vehicles, e.g., in conve-  
nience electronics. Improved slope control at the LIN-driver ensures secure data  
communication up to 20 kBaud. Sleep Mode and Silent Mode guarantee very low cur-  
rent consumption.  
9117E–AUTO–07/10  

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