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Integrated Hall Effect Latch Sensor DIODES AH374-W-7 for Brushless DC Motor Commutation Applications
Integrated Hall Effect Latch Sensor DIODES AH374-W-7 for Brushless DC Motor Commutation Applications
Specifications
Operation Points :
5mT
Release Points :
-5mT
Operating Temperature :
-40℃~+125℃
Voltage - Supply :
2.2V~20V
Description :
SC-59 Switches (Solid State) RoHS
Mfr. Part # :
AH374-W-7
Model Number :
AH374-W-7
Package :
SC-59
Description

AH374 Single Phase Hall Effect Latch

The AH374 is an integrated Hall-Effect latched sensor designed for electronic commutation of brush-less DC motor applications. It features an on-chip Hall voltage generator, a comparator for Hall voltage amplification, and a Schmitt trigger for noise rejection. The device provides an open-drain output and operates over a wide supply voltage range with temperature compensation. When magnetic flux density exceeds the operate point (BOP), the output is switched on (pulled low). The output remains on until the magnetic flux density reversal falls below the release point (BRP), at which time the output switches off. The AH374 is suitable for applications such as brush-less DC motors, brush-less DC fans, revolution counting, and speed measurement.

Product Attributes

  • Brand: Diodes Incorporated
  • Certifications: Totally Lead-Free & Fully RoHS Compliant, Halogen and Antimony Free (Green Device)

Technical Specifications

CharacteristicValueUnitCondition
Operating Supply Voltage2.2 to 20VOperating
Operating Temperature Range-40 to +125COperating
Output On VoltagemVIOUT = 20mA
Supply CurrentmAB < BRP
Output Leakage Current< 0.1AOutput off
Operation Point (BOP)5 to 60GaussTA = +25C, VDD = 2.5V to 20V
Release Point (BRP)-60 to -5GaussTA = +25C, VDD = 2.5V to 20V
Hysteresis (BHY)60
Output Sink Capability25mA
Package Power Dissipation (SIP-3)550mW@TA = +25C
Package Power Dissipation (SC59, SOT23)230mW@TA = +25C

1811061517_DIODES-AH374-W-7_C211384.pdf

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Integrated Hall Effect Latch Sensor DIODES AH374-W-7 for Brushless DC Motor Commutation Applications

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Product Detail
Operation Points :
5mT
Release Points :
-5mT
Operating Temperature :
-40℃~+125℃
Voltage - Supply :
2.2V~20V
Description :
SC-59 Switches (Solid State) RoHS
Mfr. Part # :
AH374-W-7
Contact Supplier
Integrated Hall Effect Latch Sensor DIODES AH374-W-7 for Brushless DC Motor Commutation Applications

Changsha Purple Horn E-Commerce Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2009
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Importer
Main Products :
Analog and Digital Output, Pressure Sensors, Transducers, Sensor, Transducer Amplifiers
Employee Number :
300~500
Certification Level :
Verified Supplier
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