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ATA2069 - Flasher

General Description

The bipolar integrated Atmel® circuit ATA2069 is designed for the use in relay-operated automotive flasher modules and makes it possible to detect the outage of flasher bulbs on the vehicle itself and also on a trailer.

Key Features

  • Lamp Outage Indication for Car and Trailer.
  • Temperature and Supply Voltage Compensated Flashing Frequency.
  • Relay Driver Output with High Current Carrying Capacity and Low Saturation Voltage.
  • Minimum Lamp Load for Flasher Operation > 10W 1.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features • Lamp Outage Indication for Car and Trailer • Temperature and Supply Voltage Compensated Flashing Frequency • Relay Driver Output with High Current Carrying Capacity and Low Saturation Voltage • Minimum Lamp Load for Flasher Operation > 10W 1. Description The bipolar integrated Atmel® circuit ATA2069 is designed for the use in relay-operated automotive flasher modules and makes it possible to detect the outage of flasher bulbs on the vehicle itself and also on a trailer. Vehicles with a trailer hook are equipped with additional pilot lamps in the dashboard. Atmel ATA2069 is off (i.e., the relay is deactivated) as long as the flasher switch (at contact +49a) is open. As soon as this switch is closed, the IC starts reliably with the bright phase.