Diodes Incorporated — Analog and discrete power solutions
SIP 3 Ammo Pack

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SIP 3 3D image

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SOT23

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AH3582 (NRND)

NRND = Not Recommended for New Design

28V Open-drain OMNIPOLAR HALL SWITCH

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Description

The AH3582 is a high voltage high sensitivity Hall Effect Omnipolar switch IC designed for proximity, position and level sensing in industrial and consumer home appliances and personal care applications. To support wide range of demanding applications, the design has been optimized to operate over the supply range of 3.0V to 28V. With chopper stabilized architecture and an internal bandgap regulator to provide temperature compensated supply for internal circuits, the AH3582 provides a reliable solution over the whole operating range. For robustness and protection, the device has a reverse blocking diode with a Zener clamp on the supply. The output has an over current limit and a Zener clamp.

The internally pulled-up output can be switched on with either South or North pole of sufficient strength. When the magnetic flux density (B) perpendicular to the package is larger than the operate point (BOP) the output is switched on (pulled low) and is held on until magnetic flux density B is lower than the release point (BRP).

Feature(s)

  • Omnipolar Operation 
  • High Sensitivity: BOP and BRP of ±40G and ±25G Typical
  • Single Open Drain Output with Over Current Limit
  • 3.0V to 28V Operating Voltage Range
  • Chopper Stabilized Design Provides
    • Superior Temperature Stability
    • Minimal Switch Point Drift
    • Enhanced Immunity to Stress
  • Good RF Noise Immunity
  • Reverse Blocking Diode 
  • Zener Clamp on Supply and Output Pins 
  • -40°C to +125°C Operating Temperature
  • ESD: HBM > 6kV
  • Industry Standard SOT23 and SIP-3 (Ammo Pack), SIP-3 (Bulk Pack) Packages

Application(s)

  • Position and Proximity Sensing in Consumer Home Appliances, Building Automation, Office Equipments, Cersonal Care and Industrial Applications 
  • Open and Close Detect
  • Position Detect
  • Level Detect
  • Flow Meters
  • Contact-Less Switches

Product Specifications

Product Parameters

# Outputs 1
ActiveHigh orLow Low
Active Output State (B > Bop) Low
AEC Qualified No
Compliance (Only Automotive supports PPAP) No
Average Supply Current (µA) 3000
Average Supply Current (mA) 3
Compliance (Only Automotive supports PPAP) Standard
Compliance(Only Automotive supports PPAP) Standard
Inactive Output State (B < Brp) High
Max OperatingPoint ±Bop(Guass) 60
Max Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 60
Max ReleasePoint ±Brp(Guass) 45
Max Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 45
Min OperatingPoint ±Bop (Guass) 20
Min Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 20
Min ReleasePoint ±Brp(Guass) 10
Min Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 10
Operating Ambient Temperature (°C) -40 to 125
Operating Ambient Temperature Range (°C) -40 to 125
Operating Voltage (V) 3 to 28
Operating Voltage (V) 3 to 28
Output Current Capability (mA) 30
Output Type Pull-Up Resistor
Outputs Single
AEC Qualified No
Sensitivity High
Typ OperatingPoint ±Bop(Guass) 40
Typ Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 40
Typ ReleasePoint ±Brp(Guass) 25
Typ Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 25
Type Omnipolar

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2672 2024-03-11 2024-09-07 Device End of Life (EOL)