Texas Instruments TMAG5273A2QDBVT

The TMAG5273A2QDBVT is a low-power linear 3D Hall-effect sensor designed by Texas Instruments. This device is tailored for a wide range of industrial and personal electronics applications. It integrates three independent Hall-effect sensors in the X, Y, and Z axes, along with a precision analog signal-chain and an integrated 12-bit ADC to digitize the measured analog magnetic field values. The sensor features an I2C interface that supports multiple operating VCC ranges, ensuring seamless data communication with low-voltage microcontrollers. Additionally, it includes an integrated temperature sensor for various system functions such as thermal budget checks and temperature compensation calculations.

• Configurable power modes including active, wake-up, and sleep modes with respective currents of 2.3 mA, 1 µA, and 5 nA.
• Selectable linear magnetic range at X, Y, or Z axis: ±40 mT, ±80 mT (TMAG5273x1), and ±133 mT, ±266 mT (TMAG5273x2).
• Interrupt signal from user-defined magnetic and temperature threshold cross.
• 5% (typical) sensitivity drift.
• Integrated angle CORDIC calculation with gain and offset adjustment for full 360° angular position information.
• 20 kSPS single axis conversion rate.
• Configurable averaging up to 32x for noise reduction.
• Conversion trigger by I2C or dedicated INT pin.
• Optimized I2C interface with cyclic redundancy check (CRC) and maximum 1-MHz I2C clock speed.
• Integrated temperature compensation for multiple magnet types and built-in temperature sensor.

The TMAG5273A2QDBVT is suitable for a wide range of industrial and personal electronics applications. These include but are not limited to:

• Industrial automation and control systems.
• Consumer electronics requiring precise magnetic field measurements.
• Automotive systems for position sensing and angle measurement.
• Medical devices that require accurate and low-power magnetic sensing.
• IoT devices and smart home applications where low power consumption is crucial.

1. What is the TMAG5273A2QDBVT?

   The TMAG5273A2QDBVT is a low-power linear 3D Hall-effect sensor designed by Texas Instruments for various industrial and personal electronics applications.

2. What are the configurable power modes of the TMAG5273A2QDBVT?

   The device has configurable power modes including active mode (2.3 mA), wake-up and sleep mode (1 µA), and sleep mode (5 nA).

3. What are the selectable linear magnetic ranges for the TMAG5273A2QDBVT?

   The device offers selectable linear magnetic ranges at X, Y, or Z axis: ±40 mT, ±80 mT (TMAG5273x1), and ±133 mT, ±266 mT (TMAG5273x2).

4. What is the single axis conversion rate of the TMAG5273A2QDBVT?

   The single axis conversion rate is 20 kSPS.

5. What is the maximum I2C clock speed supported by the TMAG5273A2QDBVT?

   The maximum I2C clock speed is 1 MHz.

6. What is the operating temperature range of the TMAG5273A2QDBVT?

   The operating temperature range is –40°C to +125°C.

7. Does the TMAG5273A2QDBVT have integrated temperature compensation?

   Yes, the device includes integrated temperature compensation for multiple magnet types and a built-in temperature sensor.

8. How does the TMAG5273A2QDBVT handle noise reduction?

   The device supports configurable averaging up to 32x for noise reduction.

9. What is the purpose of the dedicated INT pin on the TMAG5273A2QDBVT?

   The dedicated INT pin can act as a system interrupt during low power wake-up and sleep mode and can also trigger a new sensor conversion by a microcontroller.

10. Does the TMAG5273A2QDBVT support user-configurable I2C addresses?

    Yes, the device supports factory-programmed and user-configurable I2C addresses.