Diodes Incorporated AH3572-SA-7

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Specifications
Type
Paramete
Type
Paramete
Mounting Type
Surface Mount
Function
Omnipolar Switch
Package / Case
TO-236-3, SC-59, SOT-23-3
Supplier Device Package
SOT-23-3
Test Condition
-40°C ~ 125°C
Grade
-
Technology
Hall Effect
Current - Supply (Max)
4mA
Voltage - Supply
3V ~ 28V
Polarization
North Pole, South Pole
Output Type
Open Drain
Sensing Range
±3mT Trip, ±0.2mT Release
Current - Output (Max)
55mA
Features
Temperature Compensated
Qualification
-
Operating Temperature
-40°C ~ 125°C (TA)
Overview

AH3572-SA-7 Datasheet Summary

Product Overview

The AH3572-SA-7 is a high voltage, high sensitivity Hall Effect Omnipolar switch IC designed for a wide range of applications, including consumer home appliances, office equipment, smart home devices, and industrial applications. It is optimized for proximity, position, and level sensing tasks.

Features

  • Omnipolar Operation: Can be triggered by both North and South poles.
  • High Sensitivity: Typical operate point (BOP) and release point (BRP) of ±20G and ±10G.
  • Single Open Drain Output: Features overcurrent protection.
  • Wide Operating Voltage Range: 3.0V to 28V.
  • Chopper Stabilized Design: Ensures superior temperature stability and minimal switch point drift.
  • Enhanced Immunity: To stress and good RF noise immunity.
  • Reverse Blocking Diode: With Zener clamp on supply and output pins.
  • Wide Operating Temperature Range: -40°C to +125°C.
  • ESD Protection: HBM > 6kV.
  • RoHS Compliant: Fully lead-free and halogen-free, antimony-free "Green" device.
  • Industry Standard Packages: SOT23 and SIP-3 (Ammo Pack), SIP-3 (Bulk Pack).

Pin Configuration

TableCopy


Pin NumberPin NameFunction
1VDDPower Supply Input
2GNDGround
3OUTPUTOutput Pin

Electrical Characteristics

Absolute Maximum Ratings (@TA = +25°C)

  • Supply Voltage (VDD): 32V
  • Reverse Supply Voltage (VDDR): -32V
  • Output Off Voltage (VOUT_MAX): 32V
  • Continuous Output Current (IOUT): 60mA
  • Reverse Output Current (IOUT_R): -50mA
  • Magnetic Flux Density (B): Unlimited
  • Package Power Dissipation (PD): 550mW (SIP-3), 230mW (SOT23)
  • Storage Temperature Range (TS): -65°C to +165°C
  • Maximum Junction Temperature (TJ): +150°C
  • ESD HBM: 6kV

Recommended Operating Conditions (@TA = -40°C to +125°C)

  • Supply Voltage (VDD): 3.0V to 28V
  • Operating Temperature Range (TA): -40°C to +125°C

Electrical Characteristics (@TA = -40°C to +125°C, VDD = 3V to 28V)

  • Output ON Voltage (VOUT_ON): 0.2V (Typ) to 0.4V (Max) @ IOUT = 20mA, B > BOP
  • Output Leakage Current (ILKG): <0.1µA (Typ) to 10µA (Max) @ VOUT = 28V, B < BRP, Output off
  • Supply Current (IDD): 3mA (Typ) to 3.5mA (Max) @ Output open, TA = +25°C
  • Reverse Battery Current (IDD_R): 0.01mA (Typ) to 1mA (Max) @ VDD = -18V, TA = -40°C to +125°C

Magnetic Characteristics

  • Operation Point (BOP): ±20G (Typ) @ VDD = 12V, TA = +25°C
  • Release Point (BRP): ±10G (Typ) @ VDD = 12V, TA = +25°C
  • Hysteresis (BHY): 10G (Typ) @ VDD = 12V, TA = +25°C

Applications

  • Position and Proximity Sensing: In consumer home appliances, building automation, office equipment, and industrial applications.
  • Open and Close Detection: For doors, windows, etc.
  • Level Detection: For liquid level sensing.
  • Flow Meters: For measuring fluid flow.
  • Contact-Less Switches: For non-contact switching applications.

Ordering Information

  • Package Type: SOT23
  • Ordering Code: AH3572-SA-7
  • Packaging: 3000/Tape & Reel

Marking Information

  • Package Type: SOT23
  • Identification Code: Z7
  • Marking Format: XX (Identification Code) Y (Year) WW (Week) X (Internal Code)

Package Outline Dimensions

SOT23 Package Dimensions

TableCopy


DimensionMinMaxTyp
A0.37mm0.51mm0.40mm
B1.20mm1.40mm1.30mm
C2.30mm2.50mm2.40mm
D0.89mm1.03mm0.915mm
F0.45mm0.60mm0.535mm
G1.78mm2.05mm1.83mm
H2.80mm3.00mm2.90mm
J0.013mm0.10mm0.05mm
K0.890mm1.00mm0.975mm
K10.903mm1.10mm1.025mm
L0.45mm0.61mm0.55mm
L10.25mm0.55mm0.40mm
M0.085mm0.150mm0.110mm


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