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Repetitive short-circuit performance for 15XS3400

Posted: 04 Feb 2009     Print Version  Bookmark and Share

Keywords:15XS3400  short-circuit  MOSFETs 

This application note by Freescale relates the robustness of 15XS3400 device in case of repetitive short-circuit conditions. 15XS3400 is one in a family of devices designed for low-voltage automotive lighting applications. Its four low RDS(ON) MOSFETs (quad 15mΩ) can control four separate 55W / 28W bulbs, and/or Xenon modules, and/or LEDs.

Programming, control, and diagnostics are accomplished using a 16-bit SPI interface. Its output with selectable slew-rate improves electromagnetic compatibility (EMC) behaviour. Additionally, each output has its own parallel input or SPI control for pulse-width modulation (PWM) control if desired. 15XS3400 allows the user to program via the SPI, the fault current trip levels and duration of acceptable lamp inrush. The device has Fail-safe mode to provide safe functionality of the outputs in case of MCU damaged.

View the PDF document for more information.

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