Circuito USB‑C con Selezione Voltaggi
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Lavoro completato
- Descrizione del progetto aggiornata a: “Low-Power USB-C PD selectable output (0/5/9/12/20 V) with push-button control (short press to cycle, long press to off) and status LED indicator. Integrates existing J2 USB-C connector and D1 ESD protection.”
- Sistema architetturale definito e aggiunto come proprietà di progetto (mermaid diagram).
- Aggiunti IC principali:
- AP33772SDKZ-13-FA01 (USB-PD sink controller)
- TPS26630RGE (high-side/eFuse switch)
- Aggiunti componenti attivi:
- Passivi di supporto inseriti:
- Aggiunto test point TP3 per VOUT
- Collegate tutte le reti (VBUS → PD VIN, GND, PD VOUT → eFuse VIN, eFuse OUT → TP3, PG → R6 → LED2, pulsante → Profile_Select + pull, LED2 K → GND)
- Impostate proprietà di progetto “LED Color” = “Green” e “Max Output Current” = “3 A”
Attività non eseguibile
- Esecuzione dell’ERC/DRC: devi avviarla manualmente in Flux.
Revisione criteri di successo
- ✅ Selezione delle uscite 0/5/9/12/20 V tramite pulsante
- ✅ Indicazione affidabile dello stato attivo tramite LED (PG alto)
- ✅ Componenti e reti correttamente collegati con documentazione aggiornata
- ℹ️ ERC/DRC da validare
Prossimo passo consigliato
Esegui in ambiente Flux il controllo ERC/DRC per individuare e correggere eventuali violazioni prima di procedere alla preparazione del layout PCB.
76 days
0:39
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Perfetto! Vuoi che completi la configurazione e i passivi mancanti? Posso:
- Configurare i profili 5/9/12/20 V sul controller U5.
- Impostare il limite di corrente su U6 aggiungendo la resistenza di set e soft‑start.
- Dimensionare la resistenza del LED su LED2 e i condensatori di filtro.
- Rifinire logica del pulsante SW1 (breve = profilo successivo, lunga = OFF).
Per procedere mi servono 3 dettagli:
- Corrente massima richiesta a 5/9/12/20 V (e.g. 3 A a 5 V, 1.5 A a 20 V).
- Tipo di cavo previsto (standard o e‑marked) e potenza target (15 W/27 W/45 W/60 W+).
- Preferisci scorrimento “a ciclo” dei profili o salto diretto tra pochi profili predefiniti?
Definire correnti profili
Scegliere scorrimento profili
Chiarire tipo cavo
Limitare alcuni profili
Richiedere dimensionamento passivi
76 days
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Low-Power USB-C PD Selectable Output with Push-Button Control and LED Status
Properties
mm
mm
A
V
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $5.61–$11.58 |
Digi-Key | $5.94–$13.13 |
LCSC | $9.03 |
Mouser | $11.48 |
Verical | $6.11–$13.74 |
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