NCP1622GEVB: 160-W, Wide Mains, PFC Stage Driven by the NCP1622
The NCP1622 Evaluation Board implements a complete 160W/390 Vdc nominal Power Factor Correction Stage and operates from 90-265 Vac. The board illustrates a low profile (<13 mm height) that might be used in a flat TV or All-in-One PC Application. The target efficiency and power factor at full load for this board is >95% with a PF > 0.95 and meets EN61000-3-2 Class C and Class D requirements. The NCP1622 is active power factor corrected (PFC) controller specifically designed for use as a boost pre-converter in ac-dc adapters, flat TVs, lighting ballasts and other medium powered offline applications. The controller is based on an innovative Valley Synchronized Frequency Fold-back (VSFF) method. In this mode, the circuit classically operates in Critical conduction Mode (CrM) when the inductor current exceeds a programmable value. When the current is below this preset level, the NCP1622 linearly reduces the frequency down to about 20 kHz when the current is at a null. VSFF maximizes the efficiency at both nominal and light load. In particular, the standby losses are reduced to a minimum. The controller features a robust suite of protection features to properly handle an array of power supply operating and fault conditions. |
Evaluation/Development Tool Information
| Product | Status | Compliance | Short Description | Parts Used | Action | |
|---|---|---|---|---|---|---|
| NCP1622GEVB | Active |
|
160-W, Wide Mains, PFC Stage Driven by the NCP1622 |
NCP1622AEASNT1G
,
NCP1622BCCSNT1G
, NCP1622BECSNT1G |
Technical Documents
| Type | Document Title | Document ID/Size | Rev |
| Eval Board: BOM | NCP1622GEVB Bill Of Materials (ROHS Compliant) | NCP1622GEVB_BOM_ROHS - 227 KB | 2 |
| Eval Board: Gerber | NCP1622GEVB Gerber Layout Files (Zip Format) | NCP1622GEVB_GERBER - 1722 KB | 1 |
| Eval Board: Schematic | NCP1622GEVB Schematic | NCP1622GEVB_SCHEMATIC - 66 KB | 1 |
| Eval Board: Test Procedure | NCP1622GEVB Test Procedure | NCP1622GEVB_TEST_PROCEDURE - 294 KB | 1 |
| Video | 160-W, Wide mains, PFC Stage Driven by the NCP1622 Evaluation Board - NCP1622GEVB | WVD17644/D | |
| Eval Board: Manual | NCP1622GEVB User Manual | NCP1622GEVB_User_Manual - 1453 KB | 0 |
| Support |
| Featured Video |
| 160-W, Wide mains, PFC Stage Driven by the NCP1622 Evaluation Board - NCP1622GEVB |
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