Overview
The TMAG5273A2QDBVR is a low-power linear 3D Hall-effect sensor designed by Texas Instruments for a wide range of industrial and personal electronics applications. This device integrates three independent Hall-effect sensors in the X, Y, and Z axes, providing precise magnetic field measurements. It features a precision analog signal chain along with an integrated 12-bit ADC to digitize the measured analog magnetic field values. The sensor is optimized for low power consumption with configurable power modes and supports an I2C interface for seamless data communication with low-voltage microcontrollers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Active Mode Current | 2.3 mA | - |
| Wake-up and Sleep Mode Current | 1 µA | - |
| Sleep Mode Current | 5 nA | - |
| Magnetic Field Range (TMAG5273x1) | ±40 mT, ±80 mT | - |
| Magnetic Field Range (TMAG5273x2) | ±133 mT, ±266 mT | - |
| Single Axis Conversion Rate | 20 kSPS | - |
| Supply Voltage Range | 1.7 V to 3.6 V | - |
| Operating Temperature Range | –40°C to +125°C | - |
| I2C Clock Speed | Up to 1 MHz | - |
| Package Type | SOT-23-6 | - |
Key Features
- Configurable power modes including active, wake-up, and sleep modes to optimize power consumption.
- Selectable linear magnetic range at X, Y, or Z axis.
- Interrupt signal from user-defined magnetic and temperature threshold cross.
- Integrated angle CORDIC calculation with gain and offset adjustment for full 360° angular position information.
- 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 special I2C frame reads for improved throughput.
- Factory-programmed and user-configurable I2C addresses.
- Integrated temperature compensation for multiple magnet types and a built-in temperature sensor.
Applications
- Electricity meters
- Electronic smart locks
- Smart thermostats
- Joystick and gaming controllers
- Drone payload control
- Door and window sensors
- Magnetic proximity sensors
- Mobile robot motor control
- E-bike applications
Q & A
- What is the TMAG5273A2QDBVR?
The TMAG5273A2QDBVR is a low-power linear 3D Hall-effect sensor designed by Texas Instruments for various industrial and personal electronics applications.
- What are the configurable power modes of the TMAG5273A2QDBVR?
The device features configurable power modes including active mode (2.3 mA), wake-up and sleep mode (1 µA), and sleep mode (5 nA).
- What are the magnetic field ranges supported by the TMAG5273A2QDBVR?
The device supports selectable linear magnetic ranges at X, Y, or Z axis: ±40 mT, ±80 mT for TMAG5273x1 and ±133 mT, ±266 mT for TMAG5273x2.
- What is the conversion rate of the TMAG5273A2QDBVR?
The single axis conversion rate is 20 kSPS.
- What is the operating temperature range of the TMAG5273A2QDBVR?
The operating temperature range is –40°C to +125°C.
- What is the I2C clock speed supported by the TMAG5273A2QDBVR?
The I2C clock speed can be up to 1 MHz.
- Does the TMAG5273A2QDBVR have integrated temperature compensation?
Yes, the device has integrated temperature compensation for multiple magnet types and a built-in temperature sensor.
- What are some common applications of the TMAG5273A2QDBVR?
Common applications include electricity meters, electronic smart locks, smart thermostats, joystick and gaming controllers, drone payload control, door and window sensors, magnetic proximity sensors, mobile robot motor control, and e-bike applications.
- How does the TMAG5273A2QDBVR handle noise reduction?
The device supports configurable averaging up to 32x for noise reduction.
- What is the package type of the TMAG5273A2QDBVR?
The device is packaged in a SOT-23-6 package.
