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Vue éclatée du HomePod

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HomePod Teardown: crwdns2935265:00crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 HomePod Teardown: crwdns2935265:00crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 HomePod Teardown: crwdns2935265:00crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

  • De-shielding that board shows us some of the fun that's running the light show up top:

  • Texas Instruments TLC5971 LED driver

  • Cypress CY8C4245LQI-483 Programmable System-on-Chip, likely tasked with touch control

  • ON Semiconductor FPF1039 slew-rate-controlled load switch

  • Texas Instruments TPS62135 4 A step-down converter

  • The flip side of the board houses the LEDs and the diffuser that gives the indicator its cloudy look.

  • The plus and minus symbols are cut straight through the board, and each has its own little triad of LEDs plus a light guide to aim the photons where they're needed most.

  • The top side of the board (second photo) sports a neatly organized pattern of tiny divots—possibly a capacitive grid, like on the Google Home, for registering your taps and touches on the surface above.

Une fois l'isolation de la carte enlevée, nous découvrons la petite bête qui fait marcher le voyant :

Pilote LED TLC 5971 Texas Instruments

Système sur une puce (SoC) programmable CY8C4245LQI-483 Cypress, probablement chargé du contrôle tactile

Le revers de la carte abrite le voyant LED et le diffuseur qui donne au voyant son aspect brumeux.

Les symboles plus et moins sont entaillés dans la carte et chacun d'eux comprend sa propre petite triade de LEDs plus un conducteur de lumière pour diriger les photons là où ils se doivent.

Un dessin formé par l'agencement méticuleux de minuscules pivots orne la partie supérieure de la carte (deuxième photo). Il se peut que ce soit une grille capacitive chargée d'enregistrer les petits coups et les touchers sur la surface au-dessus, comme dans le Google Home.

[* black] De-shielding that board shows us some of the fun that's running the light show up top:
- [* red] Texas Instruments [http://www.ti.com/product/TLC5971/datasheet/abstract#SBVS1465350|TLC 5971|new_window=true] LED Driver
+ [* red] Texas Instruments [http://www.ti.com/product/TLC5971/datasheet/abstract#SBVS1465350|TLC5971|new_window=true] LED driver
[* orange] Cypress [http://www.cypress.com/file/138656/download|CY8C4245LQI-483|new_window=true] Programmable System-on-Chip, likely tasked with touch control
+ [* yellow] ON Semiconductor [link|https://www.onsemi.com/products/power-management/load-switches/fpf1039|FPF1039] slew-rate-controlled load switch
+ [* green] Texas Instruments [link|https://www.ti.com/product/TPS62135|TPS62135] 4 A step-down converter
[* black] The flip side of the board houses the LEDs and the diffuser that gives the indicator its cloudy look.
[* icon_note] The plus and minus symbols are cut straight through the board, and each has its own little triad of LEDs plus a light guide to aim the photons where they're needed most.
[* black] The top side of the board (second photo) sports a neatly organized pattern of tiny divots—possibly a capacitive grid, [guide|72684|like on the Google Home|stepid=145457|new_window=true], for registering your taps and touches on the surface above.

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