Piezo Speaker Strobe Notification Reference Design
TIDA-00376
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Key Document
Description
TIDA-00376 uses Texas Instrument’s 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. The TI Design demonstrates multiple alert tone frequency outputs through a single piezo transducer, as well as a low input current, high light output LED strobe.
Features
- Meets NFPA 72 Code requirements for audible and visual notification devices
- 86.5 dBA @ 3m (520 Hz Square Wave)
- 80.5 dBA @ 3m (2.84 kHz Sine Wave)
- 77.5 dBA @ 3m (Pre-Recorded Speech)
- 300 candela @ 3m (Flash Mode)
- 1.44 W power consumption (Audible & Visual Notification)
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Schematic/Block Diagram
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Test Data
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TI Devices (8)
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| Sample & Buy |
Design Kits & Evaluation Modules |
| CSD15571Q2 |
20V, N ch NexFET MOSFET™, single SON2x2, 19.2mOhm |
MOSFETs |
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Not Available |
| DRV2700 |
DRV2700 High Voltage Driver with Integrated Boost Converter |
Actuator drivers |
Sample & Buy |
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| LM3550 |
A flash LED driver with Automatic Vf and ESR Detection for Mobile Camera Systems |
LED drivers |
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Not Available |
| LMR14030 |
SIMPLE SWITCHER® 40-V, 3.5-A, 2.2-MHz step-down converter with 40-uA IQ |
Step-down (buck) regulators |
Sample & Buy |
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| LMV344 |
Quad Rail-To-Rail Output CMOS Operational Amplifier with Shutdown |
Operational amplifiers (op amps) |
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| MSP430FR5969 |
16 MHz MCU with 64KB FRAM, 2KB SRAM, AES, 12-bit ADC , Comparator, DMA, UART/SPI/I2C, Timer |
Microcontrollers (MCU) |
Sample & Buy |
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| TPD1E10B06 |
Single-channel ESD in 0402 package with 10pF capacitance and 6-V breakdown |
Circuit protection ICs |
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| TPD6F003 |
6-channel, 6pF EMI filter for display interface |
Circuit protection ICs |
Sample & Buy |
Not Available |
CAD/CAE symbols
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.
Step 1: Download and install the free download.
Step 2: Download the Symbol and Footprint from the CAD.bxl file table.
Step 3: Open the .bxl file with the Ultra Librarian software.
You can always access the complete CAD/CAE Symbols database at https://webench.ti.com/cad/
Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a (free download.).
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Technical documentation
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User guides (1)
| Title | Type | Size (KB) | Date |
| | PDF | 7048 |
01 Sep 2015
|
Design files (6)
| | ZIP | 562 |
15 May 2015
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| | ZIP | 1264 |
15 May 2015
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| | PDF | 2382 |
15 May 2015
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| | PDF | 282 |
15 May 2015
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| | PDF | 107 |
15 May 2015
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| | PDF | 741 |
15 May 2015
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More literature (1)
| Title | Type | Size (KB) | Date |
| | ZIP | 12735 |
15 May 2015
|
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