5th Generation
Power Metering IP
For Single or Three Phases
Low Area, High Accuracy, Energy Metering 24-bit ADC IP
Dolphin Semiconductor Power Metering Analog-Front-End IP now available from 180nm down to 40nm process node.ing
Power Metering platform simplifies design processes, accelerates development timelines, and enhances flexibility, allowing scalability across various power metering solutions while minimizing costs and complexity.
Main Benefits
Low-noise at low-frequency
Low offset
High THD
Synchronized channels and phase shifting callibration
Integrated power computation algorithms
Pin and BOM cost reduction
Key Features
Active energy accuracy: < 0.1% error over 1/7000 range
Only 1.4 mm² for a single phase in 40nm enabling optimized SoC
Optional Power & Energy Computation Engine
Requiring a simple and low-computing process MCU SoC
RTL based digital IP enabling Flash-less power computation Algorithm
Technical Features
Rogowski coil support
Programmable output data rate 4, 8, 16, 32ksps
22/24-bit sigma/delta ADC
Chopper stabilized PGA
Optional ULP LDO, 32KHz OSC & RTC to achieve
1µA RTC mode
No input DC blocking capacitor required
