The ALS31313 provides robust and reliable 3D magnetic position sensing for automotive applications, with I²C communication, programmable sensitivity, and advanced low-power modes.
Product Details
Product Details
Top Features
- AEC-Q100 automotive qualification pending
- Senses magnetic fields in X, Y, and Z axes
- Z-axis sensing of “crouch” or push button motion
- Capable of operating with back-bias magnets
- Ideal for battery-powered, low-voltage applications
- 2.65 to 3.5 V single supply operation
- 1 MHz I2C compatibility down to 1.8 V
- 14 nA (typ) Sleep ICC
- 12 μA to 2 mA ICC (typ) in low-power duty cycle mode
- Industry standard I2C interface for easy system integration
- Up to 1 MHz (Fast Mode+) I2C communication
- 16 selectable addresses via external resistor divider
- 127 available address configurable via EEPROM
- On-chip EEPROM
- Stores factory- and user-configured settings
- 78 bits of user EEPROM for additional storage
- On-chip charge pump for easy programming
- Flexible 12-bit ADC with 10-bit ENOB (Effective Number of Bits)
- Single-Ended Mode (X, Y, and Z axes): enables one to three axes
- Differential Mode (X and Y axes): enables slide-by linear sensing
- Common Mode (X and Y axes): enables joystick operation
- 1% (typ) accurate factory-trimmed sensitivity options (±500 G, ±1000 G, and ±2000 G full-scale input)
- Integrated temperature sensor
- Wide ambient temperature range: –40°C to 125°C
Target Application
- 2W-xEV Power
- Integrated Thermal Management
- Fuel/Urea Pump
