TLI493D-W2BW A2
XENSIV™ - TLI493D-W2BW A2 magnetic 3D sensor with wake-up function and higher resolution at extremely compact footprint
The trend towards miniaturization also affects sensor technology: applications such as mobile phones or joysticks for industry, medicine or consumer electronics such as game consoles are using sensors on an ever-increasing scale with often limited installation space. Here, the miniaturization of the sensors allows on the one hand a more compact design or on the other hand the integration of further functionalities on the same construction space. The use of magnetic sensors improves robustness, susceptibility to environmental influences such as dirt and moisture and extends the product life and reliability of the respective product. Against this background, Infineon has developed the TLI493D-W2BW 3D magnetic sensor, which opens up completely new design options with its powerful features in the extremely small wafer-level housing.
New features were added such as sensor address read back, half mode range setting, focusing to half of the magnetic range ensuring higher accuracy, higher update frequency allows for an application field that requires faster update speed as well as angular mode (for x and y read out only).
TLI493D-W2BW is available in 4 different variants ending with A0, A1, A2 or A3. The underlying feature is the so called Bus mode configuration of this device. It’s possible to connect up to 4 sensors to one I²C bus. The specific addressing is then done via 4 different variants.
- TLI493D-W2BW A0, link to
- TLI493D-W2BW A1, link to
- TLI493D-W2BW A2, link to
- TLI493D-W2BW A3, link to
Summary of Features
- 3D (X, Y, Z) magnetic flux density sensing of ±160 mT
- Programmable flux resolution down to typ. 65 µT
- Extremely small form factor: typ. 1.13 mm * 0.93 mm * 0.59 mm
- X-Y angular measurement mode
- Power down mode with 7 nA (typ.) power consumption
- 12-bit data resolution for each measurement direction plus 10-bit temperature sensor
- Variable update frequencies and power modes (configurable during operation)
- Temperature range Tj = -40°C…125°C, supply voltage range = 2.8 V…3.5 V
- Triggering by external microcontroller possible via I2 C protocol
- Interrupt signal to indicate a valid measurement to the microcontroller
Benefits
- Component reduction due to 3D magnetic measurement principle
- Small sensor form factor allows for very compact system designs
- Wide application range addressable due to high flexibility
- Platform adaptability due to device configurability
- Very low system power consumption due to Wake-Up mode
- Disturbance of smaller stray fields are neglectable compared to the high magnetic flux measuremen
Potential Applications
- Anti tempering protection in smart meters
- Joysticks e.g. for medical equipment, cranes, CCTV-control, game consoles
- Control elements e.g. white goods multifunction knobs
- Industrial joysticks
- Ergonomic push- and control buttons on domestic appliances and power tools
- Position control in robotics
