TMAG5231A1CQDMRR Texas Instruments Undefined or Miscellaneous (Other) In Stock
The TMAG5231A1CQDMRR is a low-power Hall-effect omnipolar magnetic switch operating from 1.65 V to 5.5 V. It detects magnetic fields up to 2.7 mT with 0.6 mT hysteresis and fits in an ultra-compact 1.4 mm x 1.1 mm package. Available on tape-and-reel from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TMAG5231A1CQDMRR Datasheet PDF
- Category
- Undefined or Miscellaneous
- Price
- From $0.1263(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Omnipolar input mode responds to both north and south magnetic poles, simplifying magnet alignment in mechanical designs
- 1.65 V to 5.5 V supply range compatible with 1.8 V IoT SoCs through 5 V automotive systems
- Ultra-compact 1.4 mm x 1.1 mm x 0.35 mm package enables integration in the tightest wearable and mobile PCB layouts
Applications
The TMAG5231A1CQDMRR is suited for lid and door position detection in portable devices and appliances, where its omnipolar response allows a single magnet to reliably trigger the switch regardless of polarity orientation. Its 1.65 V minimum supply makes it compatible with modern energy-harvesting and low-voltage IoT modules that need contactless position sensing. The AEC-Q100 qualified variant also targets automotive interior position sensing such as seat adjustment, mirror position, and gear selector detection.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Body Breadth | 1.1mm |
| Body Height | 0.35mm |
| Body Length or Diameter | 1.4mm |
| Housing | PLASTIC |
| Hysteresis | 0.6mT |
| Input Mode | OMNIPOLAR |
| JESD-609 Code | e3 |
| Magnetic Field Range-Max | 2.7mT |
| Magnetic Field Range-Min | 0.3mT |
| Mounting Feature | SURFACE MOUNT |
| Operating Current-Max | 0.0000013mA |
| Output | PUSH-PULL |
| Output Current-Max | 5mA |
| Output Range | -5-5mA |
| Output Type | DIGITAL CURRENT |
| Package Equivalence Code | SOLCC4,.05,20 |
| Package Shape/Style | RECTANGULAR |
| Sensors/Transducers Type | MAGNETIC FIELD SENSOR,HALL EFFECT |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 1.65V |
| Surface Mount | YES |
| Terminal Finish | Tin (Sn) |
| Termination Type | SOLDER |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TMAG5231A1CQDMRR:
Sensor, 0.3mT Min, 2.7mT Max, -5-5mA, Rectangular, 4 Pin, Surface Mount
Frequently Asked Questions
What supply voltage range does TMAG5231A1CQDMRR support and which IoT supply rails are compatible?
The TMAG5231A1CQDMRR operates from 1.65 V to 5.5 V, covering 1.8 V low-power SoC rails, the common 3.3 V microcontroller supply, and 5 V systems. This wide range means the same part can be used without a regulator in battery-backed IoT nodes down to a nearly depleted 2-cell AA configuration at approximately 1.8 V.
How does the omnipolar input mode simplify magnet selection for a lid-close detection design?
In an omnipolar Hall switch, both a north-pole and a south-pole field above the operate threshold of approximately 2.7 mT trigger the output, so the designer does not need to specify magnet polarity during assembly. This halves the risk of misassembly and eliminates the need for orientation marking on the magnet, reducing bill-of-materials cost and assembly error rates in high-volume consumer products.
What hysteresis does TMAG5231A1CQDMRR provide and why does it matter in a vibrating environment?
The device has a 0.6 mT magnetic hysteresis band between the operate and release thresholds. In an environment with mechanical vibration such as a vehicle door panel, this hysteresis prevents output chatter when the magnet hovers near the switching point, ensuring a clean digital transition without debounce logic and reducing spurious interrupt events to the host microcontroller.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.1776 | $17.76 |
| 500+ | $0.1583 | $79.16 |
| 1000+ | $0.1440 | $144.00 |
| 2000+ | $0.1350 | $270.00 |
| 3000+ | $0.1280 | $384.00 |
| 21000+ | $0.1263 | $2651.25 |
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