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S-5718 Series Hall Effect Switch IC with Magnet Polarity Discrimination

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S-5718 Series Hall Effect Switch IC with Magnet Polarity Discrimination

ABLIC's S-5718 series Hall effect switch IC can identify the polarity of nearby magnets when used in combination with a microcontroller

ABLIC’s S-5718 series is a low voltage, low power consumption, and ultra-small hall effect switch IC that allows switching between omnipolar detection, N pole detection and S pole detection on a single IC. When used in combination with a microcontroller, the S-5718 can identify the polarity of nearby magnets, allowing design engineers greater flexibility when designing open/close detection for smartphones, tablets, or other devices needing this function.

Features
  • Switchable detection pole function: Omnipolar detection, S pole detection, N pole detection
  • Magnetic sensitivity (hysteresis width) (selectable):
    • BOP = 1.8 mT typ. (BHYS = 0.7 mT typ.)
    • BOP = 3.0 mT typ. (BHYS = 0.8 mT typ.)
    • BOP = 3.0 mT typ. (BHYS = 1.3 mT typ.)
    • BOP = 4.5 mT typ. (BHYS = 1.0 mT typ.)
    • BOP = 4.5 mT typ. (BHYS = 2.5 mT typ.)
  • Output logic: Active "L", Active "H", selectable
  • Output form: CMOS output
  • Operating cycle (current consumption):
    • tCYCLE = 102.1 ms typ. (IDD = 1.4 μA typ.)
    • tCYCLE = 50.5 ms typ. (IDD = 2.0 μA typ.)
    • tCYCLE = 5.7 ms typ. (IDD = 12.0 μA typ.)
Applications
  • Mobile phones, smartphones
  • Notebook PCs, tablet PCs
  • Wearable devices
  • Playthings, portable games
  • Home appliances