AS6219-AWLT-L
Overview
The AS6219-AWLT-L is an ultra-low power digital temperature sensor from ams OSRAM designed for high-precision thermal monitoring in space-constrained applications. It provides a standard I2C interface and supports eight different hardware-selectable addresses, allowing multiple sensors to reside on the same bus without conflicts. Operating from a supply voltage as low as 1.71V, it is optimized for battery-powered systems where minimizing current draw is critical.
Why Choose This Part
The primary advantage is its exceptional power efficiency, featuring a typical sleep current of only 0.1 uA. It maintains high accuracy of +/-0.8 degrees Celsius across its operating range while fitting into a compact WLCSP package. The inclusion of eight I2C addresses provides significant design flexibility for complex systems requiring multi-point thermal sensing.
Applications
Getting Started
To evaluate the AS6219, connect the VDD, GND, SCL, and SDA lines to an I2C-capable microcontroller like an ESP32 or STM32. Ensure the address pins (AD0 and AD1) are tied high or low to set the desired device address. Software integration can be achieved using standard I2C libraries to read the 16-bit temperature register.
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