Technical datasheet for the AS3935 Franklin Lightning Sensor IC, detailing its programmable detection of lightning activity, distance estimation, and…
The AS3935 is a fully integrated Lightning Sensor IC designed to detect the presence and approach of potentially hazardous lightning activity. It provides an estimation of the distance to the head of the storm and includes an embedded algorithm to reject man-made disturbers. The device supports both cloud-to-ground and intra-cloud flashes.
| Supply voltage range | 2.4V to 5.5V |
|---|---|
| Package type | 16LD MLPQ (4x4mm) |
| Detection radius | 40km |
| Distance estimation resolution | 1km in 14 steps |
| Operating temperature range | -40 to 85 ºC |
The AS3935 is ideal for weather stations, clocks, sports equipment, portables, pool safety, UPS, GPS, cellular phones, watches, and golf equipment.
The device can be programmed via a 4-wire standard SPI or an I²C interface.
Yes, it detects both cloud-to-ground and intra-cloud (cloud-to-cloud) flashes.