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Texas Instruments UCC28740 | Demoboard PMP30826
Offline supercapacitor backup power supply with active cell balancing reference design
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 96-552 V |
| Ausgang 1 | 4 V / 3 A |
| IC-Revision | B |
Beschreibung
This reference design provides a backup voltage during a power interruption. It manages the charging of supercapacitors directly from the mains voltage (96 VAC - 272 VAC). The UCC28740 provides constant-voltage (CV) and constant-current (CC) output regulation. The supercapacitor capacitance and voltage define the energy that is available for the backup.
Eigenschaften
- Electric double-layer capacitor charger
- Protection functions: over voltage, low line, over current and short circuit
- Active cell balancing
- Complete tested design with available design files and test report
Typische Anwendungen
- Single-phase electricity meter
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | IR(A) | ISAT(A) | RDC max.(Ω) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 6.3 V(DC), 100 µF, ±20% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 6.3 V(DC) | Kapazität100 µF | Kapazität±20% | Nennspannung6.3 V (DC) | Bauform1210 | Betriebstemperatur -55 °C up to +85 °C | Verlustfaktor10 % | Isolationswiderstand0.001 GΩ | KeramiktypX5R Klasse II | Länge3.2 mm | Breite2.5 mm | Höhe2.5 mm | Pad Dimension0.6 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | |||||
 | WE-TI HV Tonneninduktivität (High Voltage), –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI HV Tonneninduktivität (High Voltage) | – | – | – | Bauform8095 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge7.8 mm | Breite7.8 mm | Höhe9.5 mm | – | – | Induktivität220 µH | Nennstrom0.9 A | Sättigungsstrom1.3 A | Gleichstromwiderstand0.6 Ω | Eigenresonanzfrequenz3.7 MHz | MontageartTHT |