+15 years of track records with Power Metering AFE IPs
Low area, high accuracy, energy metering 24-bit ADC IP
5th generation Power Metering IP
For single or three phases
Dolphin Design Power Meter Analog-Front-End IP now available from 180nm down to 40nm process node.
Make the switch to the state-of-the-art ADC
Main benefits:
✔Low-noise at low-frequency
✔Low Offset
✔High THD
✔Very low gain error < 0.01 % (for class 0,1)
✔Synchronised channels and phase shifting callibration
✔Integrated power computation algorithms
✔Pin and BOM cost reduction
Key features:
✔ Exceeds IEC 62053-22 Classes 0.2s requirements
- Active energy accuracy: < 0.1% error over 1/7000 range
✔ Small area
Only 1.4 mm² for a single phase in 40nm enabling optimized SoC
✔ 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
✔ Optional Power & Energy Computation Engine
Requiring a simple and low-computing process MCU SoC
RTL based digital IP enabling Flash-less power computation Algorithm
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