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U2044B - Dual Output Flasher

General Description

The integrated circuit U2044B is used in relay controlled automotive flashers.

With two output stages each side of the vehicle is controlled separately.

A left and a right direction indicator input with only a small control current makes switch contacts for small loads possible.

Key Features

  • D Temperature and supply voltage compensated flashing frequency D Frequency doubling indicates lamp outage D Two relay driver outputs with high current-carrying capacity and low saturation voltage D Very low susceptibility to EMI D Protection according to ISO/TR7637/1 level 4 D Extremly low current consumption < 10 mA (@switches open) D Minimum lamp load for flasher operation: w1 W Package DIP14 SO14 D Reverse polarity protection D Three control inputs: left, right and hazard warning Order.

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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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U2044B Dual Output Flasher Description The integrated circuit U2044B is used in relay controlled automotive flashers. With two output stages each side of the vehicle is controlled separately. A left and a right direction indicator input with only a small control current makes switch contacts for small loads possible. The separate hazard warning input simplifies the construction of the hazard switch. Lamp outage is indicated by frequency doubling during direction mode. Thanks to the extreme low current consumption U2044B can be connected to the battery directly.