TMAG5170A1QDGKR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TMAG5170A1QDGKR is an automotive-grade 3D linear Hall-effect position sensor with a 4-wire SPI interface, 2mA output current capability, and a 3mm x 3mm x 1.1mm surface-mount package. It provides high-resolution magnetic field sensing across X, Y, and Z axes for precise position and angle measurement. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TMAG5170A1QDGKR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3600(MOQ 100)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3-axis magnetic field sensing across X, Y, and Z directions enables full 3D position and rotation angle measurement in a single compact device
- 4-wire SPI interface with up to 2mA output current provides fast digital readout compatible with standard MCU SPI peripherals in automotive and industrial systems
- AEC-Q100 automotive-qualified in a 3mm x 3mm x 1.1mm surface-mount package designed for harsh-environment motor position and end-of-shaft angle sensing
Applications
The TMAG5170A1QDGKR is primarily deployed in automotive applications such as electric power steering torque sensors, throttle position encoders, and transmission gear selection switches where accurate 3D magnetic field measurement is critical for safety and performance. Its AEC-Q100 automotive qualification and RoHS compliance make it suitable for under-hood and cabin environments subject to wide temperature swings and vibration. In industrial automation, the device supports contactless rotary encoder designs and linear position sensing on actuators, eliminating mechanical wear associated with potentiometers or brushed encoders.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Body Breadth | 3mm |
| Body Height | 1.1mm |
| Body Length or Diameter | 3mm |
| Housing | PLASTIC |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Output Current-Max | 2mA |
| Output Interface Type | 4-WIRE INTERFACE |
| Output Range | -2-2mA |
| Output Type | CURRENT OUTPUT |
| Package Equivalence Code | SOP8,.2,25 |
| Package Shape/Style | SQUARE |
| Sensors/Transducers Type | MAGNETIC FIELD SENSOR,HALL EFFECT |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.3V |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Termination Type | SOLDER |
| Package | Small Outline Packages |
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 TMAG5170A1QDGKR:
suggested
Frequently Asked Questions
How many magnetic field axes does the TMAG5170A1QDGKR measure, and what interface does it use to report sensor data?
The TMAG5170A1QDGKR simultaneously measures magnetic field components along all 3 spatial axes, X, Y, and Z, enabling full 3D angle and position calculations from a single IC without additional sensor elements. Data is transmitted via a 4-wire SPI interface that supports standard clock polarities compatible with most microcontroller SPI peripherals. The maximum output current of 2mA on the digital output lines ensures reliable communication over short PCB traces in automotive control units and industrial PLCs operating at 3.3V or 5V logic levels.
What automotive qualification standard does TMAG5170A1QDGKR meet, and what operating temperature range can it withstand?
The TMAG5170A1QDGKR carries the AEC-Q100 automotive qualification, which is the industry standard for integrated circuits used in passenger car and light-truck applications. AEC-Q100 Grade 1 qualification covers an operating temperature range of -40 degrees C to 125 degrees C, covering under-hood locations near engine control modules and transmission controllers. This wide thermal range, combined with the surface-mount 3mm x 3mm x 1.1mm package, makes it robust enough for safety-critical position sensing in electric power steering and brake-by-wire systems.
For an electric motor end-of-shaft angle encoder design, how does TMAG5170A1QDGKR simplify the sensing implementation compared to a resolver?
A resolver requires an excitation winding and a signal conditioning ASIC to produce an angle output, adding significant BOM cost and board area. The TMAG5170A1QDGKR integrates the 3-axis Hall sensor and digital signal processing in a 3mm x 3mm x 1.1mm surface-mount package and delivers a direct SPI digital angle readout at up to 2mA output drive. There are no moving windings to fail, no excitation oscillator to design, and no analog-to-digital conversion chain to calibrate, reducing design complexity by multiple stages while meeting the -40 degrees C to 125 degrees C automotive temperature requirement.
When should a designer choose TMAG5170A1QDGKR over a single-axis Hall sensor for a contactless position application?
A single-axis Hall sensor measures only one field component, requiring careful magnet alignment to stay on-axis as the magnet moves, and any off-axis displacement introduces error. The TMAG5170A1QDGKR measures all 3 axes simultaneously, allowing the firmware to compute the true angle using arctangent calculations even when the magnet is slightly tilted or offset by a fraction of a millimeter. This tolerance to mounting imperfection reduces mechanical assembly cost in high-volume automotive production, where magnet placement tolerances of plus or minus 0.5mm are common and recalibration in the field is impractical.
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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+ | $1.7035 | $170.35 |
| 500+ | $1.5600 | $779.99 |
| 1000+ | $1.4800 | $1480.00 |
| 2500+ | $1.4100 | $3525.00 |
| 5000+ | $1.3600 | $6800.00 |
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