AFCI 断路器

米6体育平台手机版_好二三四和参考设计

AFCI 断路器

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概述

Our integrated circuits and reference designs help you create and optimize an arc fault circuit interrupter (AFCI) design to support small form factor while accurately detecting faults and quickly disconnecting the load.

设计要求

Modern residential breakers often require:

  • Sensitivity for detecting high-frequency arcs or low-level leakage currents.
  • Minimizing components to convert alternating current (AC) line current or voltage to regulated direct current (DC).
  • Integrating wired and wireless communications for better data analysis.

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AFCI 断路器

Current sensing analog front-end Current sensing analog front-end AMP AMP AMP AMP AMP AMP Signal conditioning Signal conditioning Logarithmic Logarithmic HPF HPF LPF LPF Comparator Comparator Comparator Comparator Current Current 1 1 1 Comparator Comparator Comparator Comparator Reference Reference N N L L Wireless interface Wireless interface LED drivers LED drivers 5.0V 5.0V 3.3V 3.3V Self-diagnostics/monitoring Self-diagnostics/monitoring Supervisor watchdog Supervisor watchdog CT, Rogowski, or shunt CT, Rogowski, or shunt N N L L Non-isolated AC/DC power supply Non-isolated AC/DC power supply LDO LDO DC/DC DC/DC Voltage sensing analog front-end Voltage sensing analog front-end Reference Reference Voltage Voltage Miswiring Miswiring Comparator Comparator AMP AMP Precision or isolated ADC Precision or isolated ADC For metering For metering Digital processing Digital processing Comparator Comparator ADC ADC Timer Timer GPIO GPIO GPIO GPIO ADC ADC Serial Serial Output user interface Output user interface Micro/BLE SoC Micro/BLE SoC Power stage Power stage Solenoid or Relay Drive Solenoid or Relay Drive

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