ATA6814 - ATMEL Corporation

ATA6814 Automotive Failsafe System IC

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. The communication with an external microcontroller is provided by an 8-bit SPI interface. Four protected and cu.

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 w.