MAX71617 Datasheet | Silergy

Description

The DSP core provides the following energy and power measurement features in registers: • Active energy and power per phase and sum • Apparent energy and power per phase and sum • Reactive energy and power per phase and sum • Line voltage and current RMS • Neutral current RMS • Current vector sum, three-phase plus neutral • Line frequency • Fundamental frequency • Total harmonics of active power, reactive power, voltage, and currents • Security features Benefits and Features • • SoC Integration and Unique Isolation Technique Reduces BOM Cost Without Sacrificing Performance • Watt-Hour Accuracy of 0.1% at Up to 5,000:1 Dynamic Range • Sample Frequency Configurable; ΣΔ Sample Rate Configurable Up to 9.83MHz • Flexible Analog Input Configuration Support Current Transformers, Shunts, or Rogowski Coils • 2.7V to 3.6V Operating Voltage • Single 32.768kHz Crystal Provides All Operating Clocks • • ARM Core M3 Application Processor Enables Rapid System Development • 1MB Flash • 64KB Code RAM • 64KB System RAM • Six UART Channels • Seven Timer Channels • I2C Master/Slave Peripheral • Three SPI Peripherals • Smart Card Interface • • MAXQ30 Features • 64KB Program RAM • 8KB Data RAM • 16KB Page RAM • Four Meter Pulse Outputs (Configurable) • Two I2C Master/Slave Peripherals • SPI Master/Slave Peripheral • 50-Segment, 6-mon LCD Interface • • Security Features Reduce or Eliminate mon Security Threats • Built-In Cryptographic Modules Ensure munications Are Kept Secure • Tamper Detect Inputs Ensure Attempts to Breach the Case Are Recorded and Reported • Two Independent Cores Ensures pliance with All Current and Future Security Requirements • • Analog Front-End • Seven (MAX71637) or Four (MAX71617) 24-Bit ΣΔ A/D Converters • Three (MAX71637) or Two (MAX71617) Voltage Inputs • Four (MAX71637) or Three (MAX71617) Differential Current Inputs.