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ATA6814 - Automotive Failsafe System IC

Description

The ATA6814 is a monolithically-integrated multi-functional IC designed in Atmel’s state-of-the-art 0.8 µm BCDMOS technology.

With its built-in driver stages, voltage supplies and monitoring functions, it is an ideal cost saving failsafe system IC.

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.

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Full PDF Text Transcription

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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 www.
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