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TMAG5123

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High-voltage (up to 38 V), in-plane, high-precision switch

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Product details

Parameters

Type Omnipolar switch Supply voltage (Vcc) (Min) (V) 2.5 Supply voltage (Vcc) (Max) (V) 38 Operate point (Max) (mT) 6, 9.5, 13 Release point (Min) (mT) 0.3, 3.5, 6.7 Output Open drain Operating temperature range (C) -40 to 125 open-in-new Find other Hall-effect latches & switches

Package | Pins | Size

SOT-23 (DBZ) 3 7 mm² 2.92 x 2.37 open-in-new Find other Hall-effect latches & switches

Features

  • In-plane, omnipolar Hall-effect switch
  • High magnetic sensitivity:
    • TMAG5123B: 4.1 mT (typical)
    • TMAG5123C: 7.5 mT (typical)
    • TMAG5123D: 10.9 mT (typical)
  • Supports a wide voltage range
    • 2.5-V to 38-V operating VCC range
    • No external regulator required
  • Wide operating temperature range
    • Ambient operating temperature range: –40 °C to +125 °C
  • 30kHz continuous conversion
  • Open-drain output
  • SOT-23 package option
  • Protection features
    • Supports up to 40-V load dump
    • Reverse battery protection to –20-V
    • Output short-circuit protection
    • Output current limitation

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Description

The TMAG5123 is a chopper-stabilized omnipolar, active-low, in-plane, Hall-effect switch sensor. The TMAG5123 eases mechanical placement of the sensor by measuring magnetic fields parallel to the surface of the printed circuit board (PCB) in a surface mount SOT-23 package.

Different sensitivity levels are available to match the specific requirement of the application. When the applied magnetic flux density value exceeds the operating point (BOP) threshold in absolute magnetic field values, the open-drain output produces a low-state voltage. The output remains low until the applied field decreases to less than the release point (BRP) threshold also in absolute terms.

The TMAG5123 incorporates a wide 2.5-V to 38-V operating voltage range and reverse polarity protection of up to -20-V, enabling robust operation for industrial appliations.

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Technical documentation

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Type Title Date
* Data sheet TMAG5123 In-Plane, High-Precision, High-Voltage, Hall-Effect Switch datasheet May 06, 2021
Technical article What is a Hall-effect sensor? May 17, 2021
Application note Sensing Magnetic Fields In-Plane Versus Orthogonally (Rev. A) Jan. 26, 2021
Technical article 3 common design pitfalls when designing with Hall-effect sensors – and how to avoid them Jan. 07, 2021
User guide TMAG5123EVM User's Guide Jun. 18, 2020

Design & development

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Hardware development

EVALUATION BOARD Download
document-generic User guide
49
Description
The TMAG5123 is a family of high-precision, wide Vin, in-plane Hall effect sensors designed for system challenges where higher magnetic precision is needed for more flexibility in design. The TMAG5123 evaluation module is populated with a Sensata 499-P36-20 test socket, which allows for precision (...)
Features
  • Integrated SOT-23 test socket for precision testing.
  • Precision in-plane channel with measurement system for precision in-plane testing.
  • USB powered for quick prototyping.

CAD/CAE symbols

Package Pins Download
SOT-23 (DBZ) 3 View options

Ordering & quality

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