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The CS5466 is a low-cost power meter solution incorporating dual Delta-Sigma analog-to-digital converters, an energy-to-frequency converter and energy-pulse outputs on a single chip. The CS5466 is designed to accurately measure and calculate energy for single-phase, two- or three-wire power metering applications within minimal external components. The low-frequency pulse outputs, E1 and E2, provide pulses at a frequency which is proportional to the active power and can be used to drive a stepper motor or mechanical counter. Energy direction output, NEG, indicates when pulse outputs E1 and E2 represent negative active power. The high-frequency pulse output FOUT is designed to assist in system calibration. The CS5466 has configuration pins which allow for direct configuration of pulse output frequency, current-channel input range and high-pass filter enable option. It also has a power-on reset function which holds the part in reset until the supply reaches an operable level. |
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| Channels | Instantaneous I & V | Energy Pulse Outputs | SPI Interface | Real (Active) Power | IRMS, VRMS | Apparent Power (S) | Reactive Power (Q) | Fundamental Power | Temp Sensor | Package |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | — |  |
— | |
— | — | — | — | — | 24 SSOP |
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All Energy Measurement parts have Data Linearity of 0.1% over a 1000:1 Range. | ||||||||||
The CS5466 is a low-cost power meter solution incorporating dual Delta-Sigma analog-to-digital converters, an energy-to-frequency converter and energy-pulse outputs on a single chip. The CS5466 is designed to accurately measure and calculate energy for single-phase, two- or three-wire power metering applications within minimal external components.
The low-frequency pulse outputs, E1 and E2, provide pulses at a frequency which is proportional to the active power and can be used to drive a stepper motor or mechanical counter. Energy direction output, NEG, indicates when pulse outputs E1 and E2 represent negative active power. The high-frequency pulse output FOUT is designed to assist in system calibration.
The CS5466 has configuration pins which allow for direct configuration of pulse output frequency, current-channel input range and high-pass filter enable option. It also has a power-on reset function which holds the part in reset until the supply reaches an operable level.
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