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SII
Magnetism Sensor ICs (Hall ICs)
Both/either pole detection Type, Suitable for portable devices, Low Current Consumption 2.0 μAFor detecting open / close state and direction of home appliances and housing equipments… Detection from high speed to low speedFor detecting rotation state and direction of home applicances and housing equipments… Bipolar Detection from high speed to low speed

Hall ICs by Seiko Instruments Inc. (SII) detect magnet field and output signals.
By combining with a magnet, these Hall ICs can detect open/close, rotation and direction in various devices.
SII's Hall ICs - small, low current consumption, high density mounting - are suitable for portable devices, home appliances, housing equipments and more.
3 magnet field detection types of both poles detection, unipolar detection and bipolar detection are available for various applications.

Specs / Data Sheets

1. Best for open / close switches of portable devices: super low current consumption 1.4 μA

Open/close detection
  • By combining with a magnet, this Hall IC can be used for the open/close or slide switches. Due to its low current consumption, this IC is especially suitable for portable devices that must be compact. Also, the IC can be used in many appliances due to its wide operating voltage.
  • Low current consumption, High-accuracy/high-sensitivity, Low voltage operation Low current consumption : 1.4μA typ.(Products with unipolar detection) High-accuracy/high-sensitivity : 1.4mT to 4.0mT Low voltage operation : 1.6 to 3.5V

» S-5712A series

2. Best for detecting open / close state and direction of home appliances and housing equipments:3V to 5V system from low speed to high speed

Fast Detection

  • Detect open/close state and direction in various devices
  • High speed detection is possible with the detection frequency of 20KHz
  • Possible for selecting the best ICs in consideration of the balance between the detection frequency from low speed to high speed and current consumption

Products with medium and high speed operation
» S-5715 Series

Products with low current consumption
» S-5716 Series


3. Best for detecting rotation state and direction of home appliances and housing equipments: products with biopolar detection from low speed to high speed

Rotation Detection
  • Detect direction and rotation state in various devices
  • High speed detection is possible with the detection frequency of 20KHz
  • Possible for selecting the best ICs in consideration of the balance between the detection frequency from low speed to high speed and current consumption

Products with operation from low speed to high speed
» S-5725 Series


Specs / Data Sheets