Diodes Incorporated — Analog and discrete power solutions
SC59

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.

SC59-3D-image.png
SIP 3 Ammo Pack

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SIP-3-Ammo-Pack-3D-image.png
SIP 3 3D image

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details.

SIP-3-3D-image.png
SOT23

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SOT23.png
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AH3377 (NRND)

NRND = Not Recommended for New Design

28V Open-drain Unipolar Hall Switch

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Description

The AH3377 is a high voltage low sensitivity Hall Effect Unipolar 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 AH3377 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 single open drain output can be switched on with South 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). The output remains switched off for North pole fields to or no magnetic fields.

The magnetic operating and release polarity is opposite for SOT23 and SC59 packages. SOT23 and SIP-3 packages will require south pole to the part marking side to operate while SC59 will require south pole to the non-part marking side.

Feature(s)

  • Unipolar Operation
  • High Sensitivity: Bop and Brp of +115G and +90G 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 SC59, SOT23 and SIP-3 Packages
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device

Application(s)

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

Product Specifications

Product Parameters

Active Output State (B > Bop) Low
AEC Qualified No
Compliance (Only Automotive supports PPAP) No
Average Supply Current (µA) 3
Average Supply Current (mA) 3
Compliance (Only Automotive supports PPAP) Standard
Compliance(Only Automotive supports PPAP) Standard
Inactive Output State (B < Brp) High-Z
Max Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 140
Max Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 120
Min Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 95
Min Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 70
Operating Ambient Temperature (°C) -40 to 125
Operating Ambient Temperature (°C) -40 to 125
Operating Point Bop (Bops +ve/ Bopn -ve) Gauss (Max) 140
Operating Point Bop (Bops +ve/ Bopn -ve) Gauss (Min) 95
Operating Point Bop (Bops +ve/ Bopn -ve) Gauss (Typ) 115
Operating Voltage (V) 3 to 28
Operating Voltage (V) 3 to 28
Output Current Capability (mA) 30
Output Type Open Drain
Outputs Single
AEC Qualified No
Release Point Brp (Brps +ve/Brpn -ve) Gauss (Max) 120
Release Point Brp (Brps +ve/Brpn -ve) Gauss (Min) 70
Release Point Brp (Brps +ve/Brpn -ve) Gauss (Typ) 90
Typ Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 115
Typ Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) 90
Type Unipolar

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)