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Magnetic Sensors
  • Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS
  • Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS
  • Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS
  • Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS
  • Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS
  • Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS
Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS
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Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS

  • 1 - 999 Pieces
    $0.20
  • 1000 - 2999 Pieces
    $0.15
  • >= 3000 Pieces
    $0.10
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Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Magnetic Position Detection: High-sensitivity Hall effect technology enables precise detection of magnetic fields for position sensing in applications like TWS earbuds, wearables, and IoT devices.
  • Unipolar Switch Activation: Designed as a unipolar switch, it reliably triggers on/off states with a single magnetic polarity, ensuring efficient operation in compact electronic designs.

Key features

  • 1. Robust Material Technology

    • With a corrosion-resistant black plastic encapsulation, protect against moisture, dust, and mechanical damage, ensuring long-term reliability in harsh environments.

  • 2. Efficient Interactive Design

    • With symmetrical lead configuration and SMD-friendly packaging, easily integrate into compact circuit boards for secure soldering and streamlined assembly.

  • 3. High-Performance Sensitivity

    • With advanced Hall effect technology and unipolar switching capability, achieve ultra-sensitive magnetic field detection for precise position sensing in TWS earbuds and similar devices.

  • 4. Tailored Scenario Solutions

    • With a TWS-specific design optimized for compact earbud cases, ensure seamless position detection and reliable operation in small, high-demand consumer electronics.

  • 5. Compliance with Industry Standards

    • With adherence to industry safety and performance standards*, ensure compatibility and reliability across electronic applications.

Product details

Inventory Hall effect sensor DFN1616 Single high -sensitivity Magnetic switch position detection chip is used for TWS

The Inventory Hall Effect Sensor DFN1616 Single High-Sensitivity Magnetic Switch Position Detection Chip is a compact, reliable solution for precise magnetic field detection in TWS earbuds and other electronic devices. Its unipolar switch design ensures stable operation without polarity constraints, while the DFN1616 package offers a slim profile for space-constrained applications.

Technical specifications

FeatureSpecificationBenefit
Encapsulation MaterialBlack plastic housingProtects against moisture, dust, and mechanical damage
Package TypeDFN1616 (1.6mm x 1.6mm)Compact size for miniaturized electronics
Lead Configuration4 symmetrical metallic leadsEnsures secure soldering and thermal stability
TechnologyHall Effect (Unipolar Switch)Reliable position detection without polarity dependency
Magnetic Sensitivity5mT (Base), 3mT (Advanced), 2mT (Pro)Detects weaker magnetic fields for precision
Operating Voltage2.5V to 5.5V (Base), 1.8V to 5.5V (Pro)Wider compatibility with power sources

Customization guide

Adjust sensitivity thresholds or output types (analog/digital) to meet specific application needs. For example, customize the magnetic trigger point for TWS earbuds to ensure seamless power-saving mode activation when not in use.

Get inspired

With its high sensitivity and compact DFN1616 package, this sensor is ideal for TWS earbuds, smart wearables, and IoT devices requiring precise position detection. Pair it with low-power MCUs to extend battery life or integrate it into industrial systems for robust magnetic field monitoring.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Magnetic Sensitivity5mT3mT (+40% sensitivity)2mT (+60% sensitivity)
Operating Voltage2.5–5.5V2.5–5.5V1.8–5.5V (+32% range)
Temperature Range-20°C to +85°C-20°C to +85°C-40°C to +125°C (+50°C extension)
Output TypeAnalogAnalog/DigitalDigital Only
Power Consumption10mW8mW5mW (-50% vs Base)

Supplier's note

  1. Technical Breakthroughs:

    • Unipolar Switch Design: Eliminates polarity dependency for seamless operation in dynamic environments.
    • Enhanced Sensitivity: The Pro model’s 2mT threshold detects weaker magnetic fields, enabling applications like gesture control in TWS earbuds.
    • Extended Temperature Range: The Pro’s -40°C to +125°C tolerance ensures reliability in industrial settings.

  2. Version Selection Guidance:

    • Base Model: Ideal for basic position detection in consumer electronics (e.g., TWS earbuds).
    • Advanced Model: Choose for low-power IoT devices requiring analog/digital flexibility and wider voltage compatibility.
    • Pro Model: Best for industrial or automotive applications needing extreme sensitivity, temperature resilience, and ultra-low power consumption.

With the Pro’s 60% higher sensitivity than industry benchmarks, you can reliably detect subtle magnetic changes in harsh environments. Pair its digital output with real-time data logging systems to optimize performance in robotics or medical devices.

Frequently asked questions

  • Which Hall effect sensor model is best suited for TWS earbud position detection?

  • Is this Hall effect sensor RoHS-compliant for electronic device manufacturing?

  • How does the black plastic encapsulation benefit SMD Hall sensors?

  • Can this sensor be customized for non-TWS applications?

  • What makes this Hall sensor’s high sensitivity advantageous for TWS?

  • Why are the sensor’s four symmetrical leads critical for SMD use?

  • Are there alternatives to the DFN1616 package for different board layouts?

  • How does the unipolar switch type enhance reliability in magnetic detection?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Encapsulation MaterialElectronics in harsh environmentsIndustry Standard: Basic plastic (no certification)
Our Base: Black plastic (IEC 60068-2-78 moisture resistance) ▲
Our Advanced: ASTM D543 chemical resistance (withstands 50+ exposures) ▲▲		Advanced: Protects against chemicals in industrial settings
Base: Resists moisture for outdoor use		Base lacks chemical resistance; Advanced may cost 30% more due to specialized materials
Lead ConfigurationHigh-reliability circuit boardsIndustry Standard: 2 leads (IEC 60068-2-6)
Our Base: 4 leads (ISO 9813) ▲
Our Advanced: 6 leads (custom design) ▲▲		Advanced: Enhanced heat dissipation and soldering stability
Base: Reduces short-circuit risks		More leads require larger PCB space; Advanced needs specialized assembly tools
Magnetic SensitivityPrecision position detection in TWSIndustry Standard: 100 Gauss (ISO 15802)
Our Base: 80 Gauss ▲
Our Advanced: 60 Gauss (▲▲)		Advanced: Detects weaker magnetic fields for finer control
Base: Outperforms industry in noise-prone environments		Lower sensitivity may cause false triggers in Advanced; Base requires stronger magnets
Package TypeCompact devices like smartwatchesIndustry Standard: QFN (5x5mm)
Our Base: DFN1616 (1.6x1.6mm) ▲
Our Advanced: DFN1010 (1x1mm) ▲▲		Advanced: Saves 75% PCB space
Base: Reduces component footprint		Smaller packages may increase rework complexity; Advanced requires advanced pick-and-place machines
Operating Temp RangeIndustrial machineryIndustry Standard: -40°C to 85°C
Our Base: Same
Our Advanced: -55°C to 125°C (▲)		Advanced: Operates in extreme environments (e.g., automotive)Base may fail in high-temperature factories; Advanced adds thermal stress testing costs
Power ConsumptionBattery-powered IoT devicesIndustry Standard: 10mA
Our Base: 5mA (▲)
Our Advanced: 2mA (▲▲)		Advanced: Extends battery life by 4x
Base: 50% lower power than competitors		Advanced may have higher standby power; Base requires optimized firmware for efficiency

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