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Overview

2SS52M Series anisotropic magnetoresistive (AMR) sensor IC, omnipolar, U-Pack formed leads, 5000 units/ammopack tape-in-box.

The 2SS52M Series anisotropic magnetoresistive (AMR) digital sensor ICs are omnipolar, solid-state sensors with a built-in magnetoresistive bridge integrated on silicon and encapsulated in a plastic package. The integrated circuit also includes a band-gap regulator and a digital output in response to very low magnetic fields.

These sensor ICs may be operated with either a North or a South magnetic pole applied in parallel to the sensor IC. The polarity does not need to be identified, simplifying installation in single pole applications and doubling the resolution in rotating magnet applications.

These small and highly sensitive omnipolar devices have become a popular building block for flow metering, motor RPM and cylinder position sensing.

They are available in five package styles:

  • 2SS52M: U-pack, 3-pin, in-line sensor IC with straight leads supplied in bulk packaging (1000 units per bag)
  • SS552MT: SOT-89B surface-mount sensor IC supplied on tape and reel which allows for compact design with automated component placement (1000 units per tape and reel)
  • 2SS52M-S: U-pack, 3-pin in-line, surface-mount sensor, IC supplied in bulk packaging (1000 units per bag)
  • 2SS52M-T2: U-pack, 3-pin, in-line sensor IC with formed leads supplied in ammo pack tape-in-box (5000 units per box)
  • 2SS52M-T3: U-pack, 3-pin, in-line sensor IC with straight leads supplied in ammo pack tape-in-box (5000 units per box)
2SS52M-T2 Omnipolar - Honeywell


Technical Specifications

Series Name 2SS52M
Product Type Anisotropic magnetoresistive (AMR) digital position sensor IC
Magnetic Actuation Type Omnipolar
Supply Voltage 3.8 Vdc to 30 Vdc
Output Voltage 0.4 Vdc max.
Supply Current 11 mA max.
Output Current 20 mA max.
Leakage Current 10 µA max.
Output Type Sinking
Operating Temperature -40°C to 150°C [-40°F to 302°F]
Storage Temperature -40°C to 150°C [-40°F to 302°F]
Operate Point 25 G max. (-40°C to 150°C)
Release Point 4 G min. (-40°C to 150°C)
Differential 8 G max. (-40°C to 150°C)
Package Type U-Pack formed leads, 5000 units/ammo pack tape-in-box
Switching Time Rise (10 % to 90 %) 1.5 µs max.
Switching Time Fall (90 % to 10 %) 1.5 µs max.
Availability Global

Technical Specifications

Series Name 2SS52M
Product Type Anisotropic magnetoresistive (AMR) digital position sensor IC
Magnetic Actuation Type Omnipolar
Supply Voltage 3.8 Vdc to 30 Vdc
Output Voltage 0.4 Vdc max.
Supply Current 11 mA max.
Output Current 20 mA max.
Leakage Current 10 µA max.
Output Type Sinking
Operating Temperature -40°C to 150°C [-40°F to 302°F]
Storage Temperature -40°C to 150°C [-40°F to 302°F]
Operate Point 25 G max. (-40°C to 150°C)
Release Point 4 G min. (-40°C to 150°C)
Differential 8 G max. (-40°C to 150°C)
Package Type U-Pack formed leads, 5000 units/ammo pack tape-in-box
Switching Time Rise (10 % to 90 %) 1.5 µs max.
Switching Time Fall (90 % to 10 %) 1.5 µs max.
Availability Global

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
2SS52M Series Digital Magnetoresistive Sensor ICs Datasheet English 610KB
2SS52M-T2 highres photo Photo -- 275KB
Hospital Applications Brochure English 5MB
2SS52M-T2 lowres photo Photo -- 100KB
Position Sensors Range Guide Product Range Guide English 1MB
Magnetic Sensors Line Guide Product Line Guide English 377KB
Magnetic Sensor IC Product Line Card Line Card/Selection Chart English 495KB
Magnetic Sensor IC Selection Chart Line Card/Selection Chart English 190KB
Magnetoresistive Sensors: Position and Solid State Sensing Application Note English 172KB

Product Features

  • High sensitivity: 25 Gauss maximum operate point allows for extended sensing distance or a smaller magnet
  • 3.8 Vdc to 30 Vdc supply voltage range
  • Omnipolar sensing: Activates with either North or South pole
  • Temperature range: -40°C to 150°C [-40°F to 302°F]
  • Digital current-sinking output
  • RoHs compliant, meets Directive 2002/95/EC

Applications

Industrial:

  • High frequency flow sensing in HVAC, water, fuel meters, and gas utility meters
  • Anti-tamper detection in water, electric, and gas utility meters
  • Liquid level detection
  • Motor RPM sensing
  • In-cylinder position sensing

Medical:

  • RPM sensing in exercise and rehabilitation equipment
  • Magnetic interrupt in exercise and rehabilitation equipment
  • Absence/presence detection in infusion pumps
  • Position sensing of medication dispensing cabinet drawers
  • Incline position sensing in hospital beds

White Goods:

  • Lid, door and drawer position detection
  • Fluid flow detection
  • Liquid level detection

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