Software
Firmware
TIDA-00376
Piezo Speaker Strobe Notification Reference Design
TIDA-00376
Overview
TIDA-00376 uses our industrial piezo driver, flash LED driver and the ultra-low-power FRAM microcontroller (MCU) to demonstrate the implementation of both audible and visual notification subsystems primarily intended for fire alert end-equipment systems. This reference design demonstrates multiple alert-tone frequency outputs through a single piezo transducer, as well as a low-input current and high light-output LED strobe.
Features
- Meets NFPA 72 code requirements for audible and visual notification devices
- 86.5 dBA @ 3 m (520-Hz square wave)
- 80.5 dBA @ 3 m (2.84-kHz sine wave)
- 77.5 dBA @ 3 m (pre-recorded speech)
- 300 candela @ 3 m (flash mode)
- 1.44-W power consumption (audible and visual notification)
Industrial
- Automated door & gate
- Automotive interface & communications HIL tester
- Building security gateway
- Digital multimeter (DMM) - benchtop
- Digital multimeter (DMM) - handheld
- Fire alarm control panel (FACP)
- Fire safety sounder, speaker, strobe
- Fixed wired IP camera
- Garage door system
- Gas detector
- Glass break detector
- Industrial robot wired teach pendant
- Key panel
- Loop smoke & heat detector (commercial)
- PTZ wired IP camera
- Portable field instrumentation
- Programmable DC power supply
- Residential smoke & heat detector
- Spectrum analyzer
- Vector signal transceiver (VST)
- Wireless communications test
Personal electronics
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDREY0.PDF (741 K)
Detailed schematic diagram for design layout and components
TIDREY1.PDF (107 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDREY2.PDF (282 K)
Detailed overview of design layout for component placement
TIDREY4.ZIP (1264 K)
Files used for 3D models or 2D drawings of IC components
TIDCAC3.ZIP (562 K)
Design file that contains information on physical board layer of design PCB
TIDREY3.PDF (2382 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
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TPD1E10B06 — 12-pF, ±5.5V, ±30-kV ESD protection diode in 0402 and SOD-523 package
Data sheet: PDF | HTMLMOSFETs
CSD15571Q2 — 20-V, N channel NexFET™ power MOSFET, single SON 2 mm x 2 mm, 19.2 mOhm
Data sheet: PDFMSP430 microcontrollers
MSP430FR5969 — 16 MHz MCU with 64KB FRAM, 2KB SRAM, AES, 12-bit ADC, comparator, DMA, UART/SPI/I2C, timer
Data sheet: PDF | HTMLStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | User guide | Piezo Speaker Strobe Notification Reference Design Guide (Rev. A) | Sep. 01, 2015 |
Related design resources
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REFERENCE DESIGN
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