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Texas Instruments UCC28740 | Demoboard PMP31140
Offline supercapacitor backup power supply with passive cell balancing reference design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 195-480 V |
| IC-Revision | B |
Beschreibung
This reference design introduces an offline single-stage supercapacitor charger. Isolated constant-voltage constant-current flyback controller UCC28740 charges three supercapacitors in series directly from a wide input (195 VAC to 480 VAC). The supercapacitor output voltage is limited to 6.5 V.
Eigenschaften
- Resonant-ring valley-switching operation
- Super capacitor voltage limit of 6.5 V
- Wide input voltage range of 195 VAC to 480 VAC
- Output over-voltage and over-current protection
- Complete tested design with available design files and test report
Typische Anwendungen
- Polyphase electricity meter
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | C | VR (V (DC)) | Endurance (h) | Betriebstemperatur | IRIPPLE (mA) | ILeak (µA) | DF (%) | Raster (mm) | Ø D (mm) | L (mm) | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 860010678024 | SPEC | 7 Dateien | WCAP-ATG8 Aluminium-Elektrolytkondensatoren | 1000 µF | 50 | 2000 | -40 °C bis zu +85 °C | 1485 | 500 | 10 | 5 | 13 | 25 | Ammopack | ||
| 750319952 | SPEC | – | – | Offline Transformer | – | – | – | – | – | – | – | – | – | – | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 860010678024 | SPEC | |
| 750319952 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | C | VR (V (DC)) | Endurance (h) | Betriebstemperatur | IRIPPLE (mA) | ILeak (µA) | DF (%) | Raster (mm) | Ø D (mm) | L (mm) | Verpackung | Muster |
|---|