Fire alarm control panel (FACP)

Products and reference designs

Fire alarm control panel (FACP)

Block diagram

Overview

Our integrated circuits and reference designs help you create fire alarm control panels (FACPs) with innovative features such as addressability, advanced human machine interface (HMI), hot swappable expansion modules and modular architectures.

Design requirements

    FACP designs often require:

  • Power factor correction, higher power/thermal efficiency and compliance with EMC/EMI standards.
  • Lead-acid battery charging with seamless power switchover.
  • Multiple communication protocols on wired (Ethernet, RS-485, RS-232, USB) and wireless interfaces.
  • Delivery of power and command over a single-line to loop-powered devices.
  • Mechanical-relay reliability.

Block diagram

Find products and reference designs for your system.

Fire alarm control panel (FACP)

Annunciators Annunciators Distributed PS Distributed PS Communicator Communicator Printer Printer Communicator Communicator Fan control Fan control Damper control Damper control Door holder Door holder Emergency ctrl. Emergency ctrl. Smoke det. Smoke det. Heat det. Heat det. Gas det. Gas det. Pull station Pull station Sounders, strobes Sounders, strobes 24V 3-7A 24V3-7A Power module Power module FACPs FACPs FACPs FACPs Piezo buzzer Piezo buzzer 24V 24V RJ45 RJ45 USB USB Antenna Antenna I/O module point of load I/O module point of load I/O module I/O module HMI module point of load HMI module point of load LCD backlight LCD backlight LCD/TFT LCD/TFT Status LEDs StatusLEDs Ambient light Ambient light Keypad Keypad Zone LEDs Zone LEDs HMI module HMI module Processor module point of load Processor module point of load 24V 24V Processor module Processor module Communications module Communications module Communications module point of load Communications module point of load 24V 24V 24V 24V Power diagnostics/monitoring Power diagnostics/monitoring MCU MCU LDO LDO Comparator Comparator Ground fault Ground fault Energy storage Energy storage ORing controller ORingcontroller Battery management Battery management 24V lead acid backup battery 24V lead acid backup battery Temperature sensor Temperature sensor In-rush current limit In-rushcurrent limit Isolated AC/DC power supply Isolated AC/DC power supply DC/DC converter DC/DC converter 120/230V AC 120/230V AC Shunt voltage reference Shunt voltage reference PFC PFC I/O non-isolated DC/DC power supply I/O non-isolated DC/DC power supply LDO LDO Buck Buck I/O signal isolation I/O signal isolation Isolation Isolation Relay and auxillary output Relay and auxillary output SSR FET And logic SSR FETAnd logic Relays Relays OR OR Relay drivers Relay drivers HMI non-isolated DC/DC power supply HMI non-isolated DC/DC power supply Wide Vin Buck Wide Vin Buck Output user interface Output user interface Backlight controller Backlight controller Touch screen controller Touch screen controller LED driver LED driver Ambient light sensor Ambient light sensor LED array driver LED array driver Input user interface Input user interface Capacitive touch Capacitivetouch I2C I/O expander I2C I/Oexpander Protection Protection Audible alarm interface Audible alarm interface Transistor level implementation Transistor level implementation Piezo driver Piezo driver OR OR Amp Amp OR OR Self-diagnostics/monitoring Self-diagnostics/monitoring Real-Time Clock (RTC) Real-Time Clock (RTC) Temperature Monitor Temperature Monitor Voltage Detector, Supervisor, RESET, Watchdog, Window Compara... Voltage Detector, Supervisor, RESET, Watchdog, Window Comparator Current Sensing/Monitor Current Sensing/Monitor Amps Amps ADC ADC Digital processing Digital processing MPU MPU Buffer/Driver/Shift register Buffer/Driver/Shift register Voltage translator Voltage translator Logic gate Logic gate Voltage reference Voltage reference Clocking Clocking Clock synthesizer Clock synthesizer Logic (inverter) Logic (inverter) Clock buffer Clock buffer Crystal or Oscillator Crystal or Oscillator Memory Memory Non-volatile memory Non-volatile memory DDR DDR DDR termination DDR termination Decoder/ demux Decoder/demux Communications non-isolated DC/DC power supply Communications non-isolated DC/DC power supply LDO LDO Buck Buck Voltage converter Voltage converter Wireless interface Wireless interface Radio (2.4GHz, Sub-1GHz or Wi-Fi) Radio(2.4GHz, Sub-1GHz or Wi-Fi) Communications signal isolation Communications signal isolation Isolation Isolation Isolation Isolation Isolation Isolation Isolation Isolation Wired interface Wired interface RS-485 RS-485 RS-232 RS-232 USB USB Ethernet PHY Ethernet PHY CAN CAN OR OR Signal input/output protection Signal input/output protection Protection Protection Protection Protection Protection Protection Protection Protection Signaling line circuit (SLC) & NAC interface Signaling line circuit (SLC) & NAC interface SLC circuit SLC circuit 24 VDC polarity inverter 24 VDC polarity inverter NAC circuit NAC circuit Amps Amps High voltage MOSFET High voltage MOSFET Current limit Current limit Half bridge driver Half bridge driver OR OR Communications isolated DC/DC power supply Communications isolated DC/DC power supply Flyback controller Flyback controller High voltage MOSFET High voltage MOSFET Flyback transformer Flyback transformer Processor non-isolated DC/DC power supply Processor non-isolated DC/DC power supply LDOs LDOs Buck converters Buck converters Power sequencer Powersequencer PMIC PMIC I/O isolated DC/DC power supply I/O isolated DC/DC power supply Flyback controller Flyback controller High voltage MOSFET High voltage MOSFET Flyback transformer Flyback transformer

Technical documentation

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Type Title Date
More literature Engineering A Smarter Building 28 Jan 2016
White paper Overcurrent protection enables more efficient and reliable systems 16 May 2016

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