Providing customisable visible results like blinking, pulsing, and respiration alongside audio alerts, this design gives intuitive gadget standing indicators for various functions—from IP telephones to automotive shows and residential automation techniques.
The “Status Indication Reference Design with LED and Audio Feedback” gives a sensible framework for person interfaces utilizing visible (LED) and auditory indicators for exact, intuitive system standing communication. This design allows prompt, rapidly interpretable suggestions, important for functions needing fast standing updates, like client electronics, industrial gear, automotive techniques, and residential automation. Combining LED and audio cues ensures customers can understand system standing in quiet and noisy environments, enhancing security, effectivity, and value throughout varied settings.
The TIDA-03026 reference design from Texas Devices provides a sophisticated answer for standing indication in varied gadgets. By enabling synchronised management of a number of LED drivers, this design helps an array of RGB LEDs that show varied results, together with blinking, pulsing, and respiration. These visible results improve the person expertise by offering intuitive suggestions on gadget standing. The design additionally integrates audio enter via a miniature speaker, making a mixed standing indication system that employs visible and audio cues.
Central to this design is a 16 RGB LED array that responds to person actions through buttons on the PCB. The LEDs can fluctuate in shade, brightness, and results primarily based on button interactions and changes to a brightness management knob. The TLC59116 LED driver synchronises a number of LED channels via PWM, enabling distinctive lighting results like pulsing and respiration. Its I²C-based management permits straightforward enlargement of LED arrays, making including extra LEDs easy and customising the person expertise throughout varied platforms. It additionally integrates the TPA6211A1 audio amplifier, a compact and environment friendly answer for producing audio alerts. This mono, fully-differential amplifier, designed for driving audio system with a minimal impedance of three Ω, makes use of a minimal PCB footprint and operates on low quiescent present, making certain low energy consumption and quicker market readiness for brand spanking new designs.
The TPS22918 load change reduces LED driver standby present to 0.5 µA, considerably reducing energy consumption and making the TIDA-03026 superb for power-efficient techniques. The LMR14030 step-down regulator handles unregulated energy sources from 4 to 40 V, appropriate for industrial and automotive use. As compared, the TLV1117 LDO voltage regulator gives a steady voltage of as much as 5 V, supporting as much as 800 mA. The TPD1E1B04 diode provides sturdy ESD safety. This design contains examined circuits, guides, and Altium information and streamlining growth. Purposes embrace IP telephones, HVAC controls, home equipment, and automotive shows, providing energy-efficient and versatile standing indication throughout gadgets.
TI has examined this reference design. It comes with a invoice of supplies (BOM), schematics, meeting drawing, printed circuit board (PCB) structure, and extra. The corporate’s web site has extra knowledge in regards to the reference design. To learn extra about this reference design, click on right here.
