Cirrus Logic has over a decade of experience in energy measurement. We focus on providing the easiest to use, highest accuracy, lowest cost, and most flexible AFE solutions available on the market today. Whether customers are building utility meters, power supply monitors, smart appliances, smart plugs, electric vehicle chargers, or solar inverters, they can rely on Cirrus to provide the highest level of performance at the lowest cost, with the best support in the industry.
| Part | ADC Converters | Current Sensor Options | Active Energy Accuracy | Reactive Energy Accuracy | IRMS Accuracy | SNR (dB) | Serial Comm | Digital Outputs | VREF Drift (ppm/°C) | Input Voltage (V) | Power Cons. (mW) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CS5480Buy Now Sample |
3 | Shunt / CT / Rogowski | 0.1% over 4000:1 dynamic range | 0.1% over 4000:1 dynamic range | 0.1% over 1000:1 dynamic range | 80 | SPI / UART | 3x Configurable Outputs | 25 | 3.3 | 13 | 24 QFN |
| CS5484Buy Now Sample |
4 | Shunt / CT / Rogowski | 0.1% over 4000:1 dynamic range | 0.1% over 4000:1 dynamic range | 0.1% over 1000:1 dynamic range | 80 | SPI / UART | 4x Configurable Outputs | 25 | 3.3 | 13 | 28 QFN |
| CS5490Buy Now Sample |
2 | Shunt / CT / Rogowski | 0.1% over 4000:1 dynamic range | 0.1% over 4000:1 dynamic range | 0.1% over 1000:1 dynamic range | 80 | UART | Single Configurable Output | 25 | 3.3 | 13 | 16 SOIC |
| CS5451ABuy Now Sample |
6 | Shunt / CT | N/A | N/A | N/A | 77 | SPI | — | 25 | 3 Analog; 3 Digital |
23 | 28 SSOP |
| CS5463Buy Now Sample |
2 | Shunt / CT | 0.1% over 1000:1 dynamic range | 0.2% over 1000:1 dynamic range | 0.2% over 1000:1 dynamic range | 78 | SPI | Energy Pulses | 40 | 5 Analog; 3.3 / 5 Digital |
21 | 24 SSOP |
| CS5464Buy Now Sample |
3 | Shunt / CT | 0.1% over 1000:1 dynamic range | 0.2% over 1000:1 dynamic range | 0.2% over 1000:1 dynamic range | 78 | SPI | Energy Pulses | 40 | 5 Analog; 3.3 / 5 Digital |
25 | 28 SSOP |
| CS5467Buy Now Sample |
4 | Shunt / CT | 0.1% over 1000:1 dynamic range | 0.2% over 1000:1 dynamic range | 0.2% over 1000:1 dynamic range | 78 | SPI | Energy Pulses | 40 | 5 Analog; 3.3 / 5 Digital |
25 | 28 SSOP |
| CS5460A | Not Recommended for New DesignsRecommended for New Designs: CS5490 | |||||||||||
| CS5461A | Not Recommended for New DesignsRecommended for New Designs: CS5490 | |||||||||||
| CS5462 | Not Recommended for New DesignsRecommended for New Designs: CS5490 | |||||||||||
| CS5466 | Not Recommended for New DesignsRecommended for New Designs: CS5490 | |||||||||||