The CS5360KS is a high-performance, low-power, low-voltage, single-phase, energy-measurement IC from Cirrus Logic. It is designed to measure energy consumption in single-phase AC power systems. It features a wide input voltage range, low power consumption, and high accuracy.

Features:

Wide input voltage range: 4.5V to 24V
Low power consumption: 1.2mA
High accuracy: 0.2%
Programmable gain
Programmable frequency
Programmable offset
Temperature compensation
Programmable filter
TSSOP-20 package

Applications:

Energy metering
Power monitoring
Home automation
Industrial control
Lighting control
Motor control
(For reference only)
https://www.utsource.net/itm/p/108279.html