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

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 (Bulk)

SOT23

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. SOT23

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AH3713

27V Open-Drain Hall Effect Latch

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Description

The AH3713/AH3713A/AH3714/AH3714A/AH3715/AH3716/AH3717 is a high-voltage Hall-effect latch IC designed for commutation of brushless DC motors, flow meters, linear encoders, and position sensors in industrial and consumer home appliances and personal care applications. To support a wide range of demanding applications, the design is optimized to operate over the supply range of 3.0V to 27V. With chopper-stabilized architecture and an internal bandgap regulator to provide temperature compensated supply for internal circuits, the device provides a reliable solution over the whole operating range. The output has an overcurrent limit.

The single open-drain output can be switched on with South pole of sufficient strength and switched off with 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). The output is held latched until magnetic-flux density reverses and becomes lower than the release point (BRP).

Feature(s)

  • Bipolar Latch (South Pole: On, North Pole: Off)
  • 0V to 27V Operating Voltage Range
  • 40V Load Dump Protection
  • Sensitivity Options: BOP and BRP of ±30G to ±140G Typical
  • Resistant to Physical Stress
  • Single, Open-Drain or Internal Pullup Output with Overcurrent Limit
  • Chopper-Stabilized Design Provides
    • Superior Temperature Stability
    • Minimal Switch-Point Drift
    • Enhanced Immunity to Stress
  • Good RF Noise Immunity
  • -40°C to +125°C Operating Temperature
  • ESD HBM: 8kV, CDM: 1kV
  • Industry Standard SC59, SOT23 (Type S) and SIP-3 (Bulk Pack) Packages
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3)
  • For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/

Application(s)

  • Brushless DC motor commutation
  • Revolution per minute (RPM) measurement
  • Flow meters
  • Angular and linear encoders and position sensors
  • Contactless commutation, speed measurement, and angular position sensing/indexing in consumer home appliances, office equipment, and industrial applications

Specifications & Technical Documents

Product Parameters

Compliance (Only Automotive Supports PPAP) Standard
Operating Ambient Temperature (°C) -40 to 125
AEC Qualified No
Type Latch
Outputs Single
Output Type Open Drain
Active Output State (B > Bop) Low
Inactive Output State (B < Brp) High-Z
Operating Voltage (V) 3 to 27
Average Supply Current (mA) 2.8
Min Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 15
Typ Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 30
Max Operating Point Bop (Bops +ve/ Bopn -ve) (Gauss) 45
Min Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) -45
Typ Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) -30
Max Release Point Brp (Brps +ve/ Brpn -ve) (Gauss) -15
Output Current Capability (mA) 60

Related Content

Packages

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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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-2611 2023-04-03 2023-07-03 Qualified Additional Assembly Test Sites, Die Revision and Tape and Reel Packing Quantity.