Description
The AS3935 is a programmable fully integrated Lightning Sensor IC that detects the presence and approach of potentially hazardous lightning activity in the vicinity and provides an estimation on the distance to the head of the storm.
Features
- Lightning Detector warns of lightning storm activity within a
radius of 40km Figure 1. AS3935 Block Diagram
I2CL/ I2CD/ SCL MISO MOSI
CS
SINT
ADD0 ADD1
VDD VREG
EN_VREG
SPI
I2C
I2C_ADD
Voltage Regulator
ACG
Register Noise Floor Level Generation Noise Floor Evaluation
POR
INP INN
AFE
TEST
LC-Oscillator
Watchdog
Signal Validation
IRQ
Calibration
AS3935
Bias Block
Energy Calculation
TRCO
SRCO
Statistical Distance Estimation Lightning Algorithm
Clock Generators
GND.
AS3935 Datasheet
