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Texas Instruments UCC28180D | Demoboard TIDA-010028
330-W, 95.5% Efficiency and 18-W/in3 Density, Bridgeless PFC+LLC Reference Design
Overview
| Topology | Power Factor Correction |
| Input voltage | 85-265 V |
| Output 1 | 19.5 V / 17 A |
| IC revision | E1 |
Description
This reference design is a compact, high efficiency, bridgeless 330-W, 19.5-V output AC/DC reference design. This design consists of a front-end, bidirectional bridgeless boost power factor correction (PFC) based on the UCC28180A device, achieving end-to-end peak efficiency of > 94% at 90 V AC input and > 95.5% at 230 V AC input. The DC/DC is implemented using the HB-LLC stage implemented using our UCC256301 device. The design uses UCC24624 for synchronous rectification at the secondary side to improve efficiency.
Features
- Full load efficiency at 230 V AC > 95.5% and >94% at 90 V AC
- High power factor > 0.99, meeting PFC regulations and current THD as per IEC 61000-3- 2 Class A
- < 0.25-W standby power with burst mode in both PFC and LLC stages
- ZCS avoidance feature and OVP sensing feature in LLC controller improves robustness and protects systems from overcurrent, short circuit, and overvoltage to ensure safety
- Small 152 mm × 75 mm × 25 mm PCB form factor
Typical applications
- Consumer AC / DC / DIN Rail Power Supply / Industiral AC / DC / PC Power Supply
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Packaging | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890334025039CS | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-FTXX Film Capacitors | Across the mains | 470 nF | X2 | 220 | 0.1 | 21.28 GΩ | -40 °C up to +105 °C | 15 | Carton | ±10% | Pitch 15 mm | -40 °C up to +105 °C | – | – | – | – | – | – | 310 | – | – | 18 | 8 | 14 | Boxed THT | ||
 | 7448031501 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | – | – | – | – | – | – | – | – | M | -55 °C up to +125 °C | – | – | – | 15 | 1 | 3.2 | 300 | 2100 | Nanocrystalline | 24 | 17 | 25 | THT | ||
 | 885012207025 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 10 V(DC) | – | 4.7 µF | – | – | – | 0.02 GΩ | – | – | 7" Tape & Reel | ±10% | 0805 | -55 °C up to +125 °C | 10 | X7R Class II | 0.5 | – | – | – | 10 | – | – | 2 | 1.25 | 1.25 | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890334025039CS | SPEC | |
| 7448031501 | SPEC | |
| 885012207025 | SPEC |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Packaging | Tol. C | Size | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
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