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ATA6842 fiches techniques PDF

ATMEL Corporation - Automotive Failsafe System IC

Numéro de référence ATA6842
Description Automotive Failsafe System IC
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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ATA6842 fiche technique
Features
Driver Stages
– Four DMOS 150 mA Low-side Relay Drivers with Current Limitation
– One Gate Driver for External N-channel FET with Charge Pump and Bootstrap
– Two Universal Outputs (10 mA High Side and 60 mA Low Side)
– One 20 mA Warning Lamp Driver
Power Supplies
– 5V/150 mA Linear Regulator
– 5V/30 mA Linear Regulator (also Active in Standby Mode)
– Internal Power Supply
– Switchable System Supply Voltage Output
Monitoring and Protection
– 12V Monitoring
– Watchdog with Reset
– Two Comparators for Current Measurement
– Adjustable Undervoltage Warning Level
– Overtemperature Protection with Hysteresis
– Two 5V Comparators
– Wide Supply Voltage Range from 5.8V up to 26V
– 8-bit SPI Interface
– Low Current Consumption in Standby Mode 80 µA
– TTL and CMOS Compatible Inputs
– 2 kV ESD Protection
– Transient Protection According to ISO/TR 7637-1 Level 4 (Except Load Dump)
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Automotive
Failsafe System
IC
ATA6842
Applications
As an Automotive Failsafe System IC, the ATA6842 is ideal for driver and monitoring
functions in ambitious solutions with increased safety requests such as parking
brakes, power steering, and other applications with DC motor control.
4964B–AUTO–07/07

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