Boardoza TMAG5170 3D Hall-Effect Sensor Breakout Board

The Boardoza TMAG5170 is a high-precision 3D linear hall-effect sensor breakout board based on the Texas Instruments TMAG5170. This device integrates three independent Hall sensors (X, Y, and Z axes) along with a precision signal chain and a 12-bit ADC, enabling accurate magnetic field measurement in compact and high-performance systems.

With support for high-speed SPI communication (up to 10 MHz) and sampling rates up to 20 ksps, the TMAG5170 is ideal for real-time direction sensing applications. Integrated diagnostics, angle calculation (CORDIC engine), and an on-chip temperature sensor provide enhanced reliability and system-level drift compensation. This breakout board is perfect for industrial automation, robotics, motor control, contactless direction sensing, and smart mechatronic systems.

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Front Side	Back Side

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Key Features

• High-Precision 3D Magnetic Sensing: Measures magnetic field on independent X, Y, and Z axes for accurate direction detection.
• High-Speed SPI Interface: Supports up to 10 MHz SPI with integrated CRC for secure communication.
• Integrated Temperature Sensor: < ±2°C error for system-level thermal compensation.
• Ultra-Low Power Operation: 5 nA deep sleep mode and 1.5 µA autonomous wake-up mode.
• Smart ALERT Pin: Can trigger conversions or indicate conversion completion.
• Built-in Diagnostics: Integrated fault detection and system monitoring features.
• On-Chip CORDIC Engine: Provides direct angle calculation with gain and offset correction.

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Technical Specifications

Model: TMAG5170A1
Manufacturer: Boardoza
Manufacturer IC: Texas Instruments
Functions: 3D Hall-Effect Sensor
Input Voltage: 2.3V – 5.5V DC
Interface: SPI (up to 10 MHz, CRC supported)
Magnetic Field Ranges: ±25 mT / ±50 mT / ±100 mT (selectable)
ADC Resolution: 12-bit
Maximum Sampling Rate: 20 ksps (single axis)
Linear Measurement Error: ±2.6% (max at 25°C)
Sensitivity Temperature Drift: ±2.8% (max)
Temperature Sensor Accuracy: ±2°C (typical)
Deep Sleep Current: 5 nA (typical)
Sleep Mode Current: 1.5 µA (typical)
Active Mode Current: 3.4 mA (typical)
Operating Temperature Range: –40°C to +150°C
Board Dimensions: 20 mm x 20 mm

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Board Pinout

( J1 ) SPI Connector

Pin Number	Pin Name	Description
1	nCS	Chip Select (Active Low)
2	MISO	SPI Data Output
3	MOSI	SPI Data Input
4	SCLK	SPI Clock
5	nALERT	Conversion Status / Trigger Output (Active Low)

( J2 ) Power Connector

Pin Number	Pin Name	Description
1	VCC	2.3V – 5.5V Power Supply Input
2	GND	Ground Reference

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Board Dimensions

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Step Files

Boardoza TMAG5170.step

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Datasheet

TMAG5170 Datasheet.pdf

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Version History

• V1.0.0 - Initial Release

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Support

• If you have any questions or need support, please contact [email protected]

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License

This repository contains both hardware and software components:

Hardware Design

All hardware design files are licensed under Creative Commons Attribution-ShareAlike 4.0 International License.

Software/Firmware

All software and firmware are licensed under BSD 3-Clause License.