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SL1723SH Hall Effect Sensor SOT-23-3

SL1723SH is a high-performance, ultra-low-power Hall-effect switch that detects North pole (N-pole) magnetic field only. It is specially designed for compact and battery-powered systems, with built-in wake-sleep control and temperature compensation to maintain stable detection at 25Hz. It provides CMOS push‑pull output and uses SOT‑23‑3L package, ideal for low‑power position and proximity sensing.

Description


SL1723SH is a high-performance, ultra-low-power Hall-effect switch that detects North pole (N-pole) magnetic field only. It is specially designed for compact and battery-powered systems, with built-in wake-sleep control and temperature compensation to maintain stable detection at 25Hz. It provides CMOS push‑pull output and uses SOT‑23‑3L package, ideal for low‑power position and proximity sensing.

Our Advantages


  • Ultra-low power consumption: only 0.9μA at 1.8V, maximizes battery life
  • North‑pole only detection for accurate and anti‑interference sensing
  • Wide voltage range supports 1.8V–5.5V battery systems
  • High ESD protection up to 8kV HBM for high reliability
  • Stable magnetic threshold across temperature
  • Small SOT‑23‑3L package for space‑constrained designs
  • Built‑in temperature compensation ensures consistent performance

Features


  • North-pole (N-pole) only magnetic detection
  • Ultra-low average current: 0.9μA @1.8V (25Hz)
  • Operating voltage: 1.8V ~ 5.5V
  • Magnetic operating point: BOP = -50Gs
  • Switching frequency: 25Hz
  • CMOS push-pull output
  • Built-in wake-sleep logic & temperature compensation
  • ESD HBM: 8kV
  • Operating temperature: -40℃ ~ +85℃
  • Package: SOT-23-3L
  • RoHS compliant

Applications


  • Laptop & tablet lid/flip detection
  • TWS earbuds, mobile phones, smart wearables
  • Electronic lock and valve position sensing
  • Water meters, gas meters, flow meters
  • Non-contact position & proximity detection
  • Low-power industrial sensors
  • Portable consumer electronics

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Description
SL1723SH SOT-23-3.pdf
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