NCP1654BD133R2G - 133 kHz CCM PFC Controller | onsemi
Référence : NCP1654BD133R2G ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0.2629 | $0,26 |
| 10 | $0.2629 | $2,63 |
| 100 | $0.2629 | $26,29 |
| 500 | $0.2629 | $131,45 |
| 1 000 | $0.2629 | $262,90 |
NCP1654BD133R2G Présentation
A power factor correction controller is an integrated control IC that regulates the duty cycle and timing of a boost-converter power switch. In a CCM PFC stage, the inductor remains conducting during each switching cycle, and the controller adjusts switch timing from measured current to support near-unity power factor while transferring energy toward the DC output bus. The NCP1654 is intended for compact and robust continuous-conduction-mode step-up pre-converters.
The main verified features of NCP1654BD133R2G are its CCM PFC architecture, fixed-frequency PWM operation, 133 kHz nominal switching frequency, 120 kHz to 146 kHz distributor-listed frequency range, and SOIC-8 package. The onsemi product page describes the family as minimizing external components and simplifying PFC implementation. The package and low component count can help reduce board area, but the final design still requires careful validation of inductor selection, current sensing, protection, startup behavior, and mains-side isolation.
Its switching frequency affects magnetic-component size, control-loop behavior, switching losses, and electromagnetic-interference requirements. A 133 kHz nominal frequency is generally positioned above low-frequency boost operation for compactness and lower inductor size, but it does not eliminate the need for layout and thermal checks. The controller’s fixed-frequency operation should be compared with the power stage’s maximum switching stress and the inductor ripple-current target during design review.
Typical applications include compact server and telecom power supplies, industrial AC-DC front ends, charger front ends, power adapters, and other boost PFC stages operating from rectified AC. The part is appropriate when the design needs a dedicated CCM PFC controller rather than a generic PWM regulator. Its external power switch and passive components must be selected for the actual input voltage, output voltage, output power, switching frequency, and thermal environment.
For implementation, place the controller, current-sense network, gate-drive components, and power-stage connections according to the manufacturer datasheet layout guidance. Maintain short high-current switching loops, provide appropriate input and output decoupling, and verify creepage and clearance for the mains-connected front end. Do not treat the distributor frequency snippet as a substitute for the complete electrical limits; missing values should be confirmed in the manufacturer datasheet.
This page combines the verified manufacturer description, distributor identity and package information, and practical selection guidance for engineers evaluating the NCP1654 family. It also distinguishes verified facts from parameters that still require datasheet confirmation, helping procurement and design teams make a more reliable decision for compact CCM PFC pre-converters.
Alternatives de remplacement direct pour NCP1654BD133R2G — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
NCP1650DR2G
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
NCP1618DDR2G
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
NCP1606ADR2G
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
NCP1615A1DR2G
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
NCP1654BD133R2G
✅ Remplacement direct✓ En stock
$0.2629 / unité
Voir la fiche technique →NCP1654BD133R2G Valeurs maximales et caractéristiques électriques
| Product Type | Continuous-Conduction-Mode Power Factor Correction Controller |
| PFC Topology | CCM boost step-up pre-converter |
| Nominal Switching Frequency | 133 kHz |
| Distributor-Listed Switching Frequency | 120 kHz to 146 kHz |
| Control Method | Fixed-frequency PWM with instantaneous inductor-current dependence |
| Boîtier | 8-pin SOIC |
| Type de montage | Surface Mount |
| Manufacturer | onsemi |
| Fonction | Controls power-switch conduction time for PFC pre-converter |
| Input Power Topology | Rectified AC input / boost PFC front end |
| Operating Mode | Continuous Conduction Mode |
| Switching Frequency Class | Approximately 133 kHz |
| External Component Requirement | External power switch and passive power-stage components |
| Application Category | AC-DC power conversion |
| Datasheet | NCP1654 manufacturer datasheet |
| Statut du cycle de vie | Active family listing |
Guide de configuration des broches du NCP1654BD133R2G 8-pin soic
Configuration des broches du NCP1654BD133R2G (boîtier 8-pin soic). Ce composant de puissance comporte des bornes de grille, de drain et de source. Pour les boîtiers non polarisés, consultez la fiche technique du fabricant pour l'orientation exacte de la broche 1 et les détails de l'empreinte. Les applications courantes incluent la conception d'alimentations, la commande de moteurs et la commutation de charges.
Aucune donnée de brochage détaillée disponible pour NCP1654BD133R2G.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
NCP1654BD133R2G convient pour 6 applications: Industrial AC-DC Power Front End, Server and Telecom Power Supply, Battery Charger Front End, Compact Power Adapter, Industrial Power Conversion Module, Rectified-Mains Power-Factor Correction.
Industrial AC-DC Power Front End
NCP1654BD133R2G fits an industrial AC-DC front end when the design needs a dedicated CCM PFC boost stage before the main power conversion. Its verified 133 kHz-class operating point and 120 kHz to 146 kHz distributor-listed range allow the designer to target a compact inductor and a controlled switching frequency for a fixed-size power platform. The controller uses instantaneous coil-current feedback in fixed-frequency PWM operation, so the power stage must be validated together with the inductor, current-sense network, switch, rectifiers, and output capacitor. The SOIC-8 package simplifies board integration, although mains isolation, creepage, clearance, and surge requirements remain outside the controller’s local switching function and must be handled by the complete power supply design.
Recommandé
Server and Telecom Power Supply
NCP1654BD133R2G is applicable to a server or telecom power-supply input stage where corrected input current helps the front end meet power-quality and system-level requirements. The 133 kHz nominal class can support a compact boost PFC design, but the selected inductor must be checked for ripple current, saturation margin, core loss, and insulation requirements. Because the verified data does not provide output-voltage limits, switching-device ratings, or thermal thresholds, the engineer must use the official NCP1654 datasheet before choosing external components. The controller’s fixed-frequency PWM behavior and instantaneous-current feedback are central to stable power-stage control, while the external switch and magnetics determine practical efficiency and thermal performance.
Recommandé
Battery Charger Front End
NCP1654BD133R2G can be evaluated for the PFC boost stage of an AC-powered battery charger when the input rectifier and output bus require controlled current shaping. The 120 kHz to 146 kHz listed frequency range gives the power-stage designer a defined switching-frequency region, but it does not by itself specify charger output voltage, battery chemistry, or maximum charging current. A successful design must verify the PFC operating envelope, startup behavior, current-sense range, fault handling, and thermal performance against the battery-charger power level. The 8-pin SOIC package is useful for compact assemblies, while the boost inductor and high-voltage switching components will usually dominate board size and heat dissipation.
Recommandé
Compact Power Adapter
NCP1654BD133R2G is a reasonable candidate for a compact offline adapter when a CCM boost PFC stage is needed ahead of a downstream isolated converter. Its nominal 133 kHz switching class can help reduce magnetic volume compared with lower-frequency designs, but higher switching frequency also requires attention to switch loss, gate-drive layout, EMI filtering, and inductor core loss. The verified SOIC-8 package and integrated controller role can reduce external control-component count, yet the complete adapter still needs appropriate input protection, isolation, feedback, and output regulation. Engineers should verify the actual family electrical limits in the manufacturer datasheet rather than extrapolating them from the distributor’s 120 kHz to 146 kHz listing.
Recommandé
Industrial Power Conversion Module
NCP1654BD133R2G can support a modular industrial power-conversion design where the PFC stage must operate continuously and maintain controlled input current. The controller’s fixed-frequency PWM mode and instantaneous-current dependence provide the control basis for a CCM boost stage, while the external power switch and inductor determine current stress and conversion performance. At approximately 133 kHz, layout should minimize high-di/dt loops and provide a low-impedance current-sense path. The supplied data does not confirm operating-temperature ratings, maximum input voltage, or protection thresholds, so those parameters remain design checkpoints. This part is best selected when the system architecture is explicitly centered on a dedicated CCM PFC controller.
Recommandé
Rectified-Mains Power-Factor Correction
NCP1654BD133R2G is designed around a rectified mains input and a CCM boost pre-converter, making it relevant to power-factor-correction stages in AC-DC equipment. The controller’s switching frequency is identified as 133 kHz class and listed by the distributor as 120 kHz to 146 kHz, giving the designer a concrete basis for inductor and switching-device selection. Because PFC stage behavior depends on input voltage, output bus, power rating, inductor ripple, and current-sense thresholds, the controller should not be selected from switching frequency alone. The final design must also meet local safety, isolation, surge, and EMI requirements through the complete power-supply architecture.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour NCP1654BD133R2G — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | NCP1650DR2G | NCP1618DDR2G | NCP1606ADR2G | NCP1615A1DR2G |
|---|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 package family | SOIC-8 package family | SOIC-8 package family | SOIC-8 package family |
| Brand | onsemi | onsemi | onsemi | onsemi | onsemi |
| Drop-In Confirmation | Reference part | Not confirmed by supplied verification data | Not confirmed by supplied verification data | Not confirmed by supplied verification data | Not confirmed by supplied verification data |
Principaux différenciateurs
- Dedicated CCM PFC control function (vs NCP1650DR2G)
- Verified 133 kHz-class switching identity (vs NCP1618DDR2G)
- Compact SOIC-8 integration (vs NCP1606ADR2G)
- Fixed-frequency current-dependent PWM architecture (vs NCP1615A1DR2G)
Notes de conception
Treat the NCP1654 controller as the control element of a boost PFC stage, not as the power switch itself. Select the external MOSFET, rectifier, inductor, capacitor, and current-sense components for the actual input range, output bus, power level, and switching stress. The verified data confirms a 133 kHz-class controller and a 120 kHz to 146 kHz distributor-listed range, but it does not provide the complete voltage, current, thermal, or protection limits; use the official datasheet before component selection.
Keep the controller ground, current-sense path, gate-drive return, and high-current switching loop compact. Place the controller close to the relevant feedback and drive connections, and route high-current boost paths away from sensitive control signals. The instantaneous coil-current dependence makes trace and sense-path parasitic resistance relevant to control behavior, so review the manufacturer layout guidance and verify the sense network with oscilloscope measurements during bring-up.
Estimate dissipation separately in the controller, MOSFET, rectifier, inductor, and current-sense components. Estimated: use the actual input voltage, output voltage, output current, conduction time, switching frequency, and measured ambient temperature in the power-loss equations; do not substitute a nominal 133 kHz frequency for measured operating conditions. Verify junction-temperature margins and copper-area limitations before increasing power rating because the supplied snippets do not provide a complete thermal-resistance table.
Do not assume that a SOIC-8 footprint alone proves interchangeability. Confirm pin names, current-sense polarity, enable or fault behavior, timing, protection thresholds, startup behavior, and absolute maximum ratings. The cross-reference search names related onsemi parts, but its snippets do not establish pin-to-pin compatibility. A production substitution therefore requires a datasheet comparison and, preferably, bench validation using the intended PFC power stage.
Informations de conformité
The supplied verified web data does not explicitly state RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification for this exact MPN. These fields are intentionally unknown.
