ISL95866CHRZ - 4+3 Phase R3 PWM Desktop VR Controller
Référence : ISL95866CHRZ ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $14.8954 | $14,90 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $0 | $0,00 |
ISL95866CHRZ Présentation
A multiphase PWM controller is a power-management IC that coordinates several external power stages to deliver high-current, low-ripple processor voltages. A phase count such as 4+3 describes parallel regulator channels under one control solution; it does not mean that the controller itself delivers the full processor current. External MOSFETs, inductors, capacitors, sensors, and the motherboard power architecture determine the resulting current capability and transient response. The R3 architecture is intended for ripple-sensitive, high-performance desktop CPU and GPU power delivery.
The verified listing specifies a 52-QFN package measuring 6x6 mm and two outputs. The family information confirms flexible phase configurations: 4-, 3-, 2-, or 1-phase operation for the first VR and 3-, 2-, or 1-phase operation for the second VR. The Renesas product page also identifies Intel IMVP8 desktop CFL/CNL CPU support in its ISL95866C description. Detailed electrical limits, switching frequency, voltage ranges, current limits, SMBus address information, pin functions, and thermal ratings were not included in the supplied web excerpts and must be checked against the manufacturer datasheet before design release.
The controller is positioned for desktop motherboard power systems where the processor requires separately regulated core and graphics domains. It can support platform configurations that assign the first output to IA and the second to GT, or use unsliced GTUS/GTX rails where supported by the platform. The external power stage must be designed around the controller's control outputs and the CPU's load transient requirements. Because the package has 52 leads and uses a fine-pitch QFN footprint, PCB layout requires careful escape routing, exposed-pad thermal management, and high-speed control-loop layout discipline.
A key design consideration is that controller selection alone does not determine regulator performance. MOSFET resistance, inductor sizing, capacitor ESR and effective capacitance, current sensing, compensation, Vdroop behavior, and layout determine much of the final ripple, efficiency, and transient behavior. The correct replacement or upgrade must therefore be validated at the pin, electrical, firmware, and platform level rather than by package appearance alone. The family page is the appropriate starting point for configuration and application selection, while the device datasheet and Intel power-design guidelines should govern implementation.
This page synthesizes the verified distributor identity, official Renesas family description, package information, phase configuration, and practical sourcing context into an engineering-oriented reference. It distinguishes confirmed facts from parameters not present in the supplied excerpts and avoids treating generic regulator attributes as verified ISL95866CHRZ specifications.
Alternatives de remplacement direct pour ISL95866CHRZ — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ISL95866CHRZ (même facteur de forme et même empreinte) — différant par Package, Product Type.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ISL95866CHRZ-T
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Voir la fiche technique →ISL95866CHRZ Valeurs maximales et caractéristiques électriques
| Product Type | Multiphase R3 PWM voltage-regulator controller |
| Manufacturer | Renesas Electronics |
| Target Application | Intel IMVP8 desktop processor power systems |
| Nombre de sorties | 2 outputs |
| First Regulator Phase Configuration | 4, 3, 2, or 1 phases |
| Second Regulator Phase Configuration | 3, 2, or 1 phases |
| Controller Architecture | Robust Ripple Regulator (R3) PWM |
| Boîtier | 52-QFN |
| Package Dimensions | 6x6 mm |
| Supported Processor Domains | Core (IA), graphics (GT), or unsliced graphics (GTUS/GTX) |
| Desktop CPU Compatibility | Intel IMVP8 desktop CFL/CNL CPUs for ISL95866C family |
| Control and Protection | Control and protection for two voltage regulators |
| Interface | SMBus support identified for ISL95866C |
Guide de configuration des broches du ISL95866CHRZ 6x6 mm
Configuration des broches du ISL95866CHRZ (boîtier 6x6 mm). 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 ISL95866CHRZ.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ISL95866CHRZ convient pour 6 applications: Intel IMVP8 Desktop Core VRM, Separate Graphics GPU Rail, Intel CFL and CNL Desktop Platform Power, High-Current Multiphase Processor Rail, Desktop Workstation Memory and Platform Rails, Renesas ISL95866C Reference Platform.
Intel IMVP8 Desktop Core VRM
The ISL95866CHRZ fits a desktop core regulator because Renesas identifies it as an IMVP8-compliant multiphase controller whose first VR supports 4, 3, 2, or 1 phases. The controller can coordinate separate external power stages for the processor core domain while allowing the platform to select phase count according to load and design targets. The controller does not set the final current capability by itself; MOSFET size, inductor saturation current, current-sense limits, compensation, and thermal performance must be validated against the processor specification. For a desktop motherboard, this configuration is most relevant where the CPU requires a dedicated IA rail and the platform has been validated for the ISL95866 family.
Recommandé
Separate Graphics GPU Rail
The second regulator output can be assigned to a graphics domain because the Renesas family information identifies support for GT and unsliced GTUS or GTX rails. Its configurable 3-, 2-, or 1-phase operation allows a platform designer to match the controller's phase organization to the expected graphics load and external power stage. Because the ISL95866CHRZ is a controller rather than a monolithic regulator, the graphics rail still requires carefully selected MOSFETs, inductors, capacitors, current sensing, and feedback compensation. Validate graphics load transients, VRM target impedance, ripple requirements, and thermal margins with the processor platform specification before production release.
Recommandé
Intel CFL and CNL Desktop Platform Power
Renesas associates the ISL95866C family with Intel IMVP8 desktop CFL/CNL CPUs, making the ISL95866CHRZ relevant to those desktop platform generations. The device provides two regulator control domains, allowing a motherboard designer to organize core and graphics power delivery with different phase configurations. Platform integration must account for startup sequencing, telemetry, SMBus behavior, current limits, and the exact CPU power specification. The verified excerpts do not provide operating-temperature, current-limit, or compensation values, so the controller should be released only after comparison with the complete Renesas datasheet and the applicable Intel design guide.
Recommandé
High-Current Multiphase Processor Rail
The 4+3 architecture is suited to desktop processor rails that benefit from phase interleaving and distributed power conversion. The ISL95866CHRZ can operate the first VR in up to four phases and the second in up to three phases, allowing independent optimization for core and graphics demands. Actual efficiency and transient performance depend on the selected power components and compensation, so phase count should not be treated as a substitute for a complete VRM design. Use the controller with low-inductance power-stage layouts, validated current-sense networks, and thermal analysis covering MOSFET, inductor, and controller dissipation.
Recommandé
Desktop Workstation Memory and Platform Rails
Although the verified excerpts focus on processor core and graphics domains, the dual-output controller architecture can be evaluated in workstation or desktop platform power trees that require coordinated multiphase regulation for multiple high-current domains. The ISL95866CHRZ should only be used where its electrical control functions and platform telemetry match the system requirements; it is not a general-purpose regulator for every memory or I/O rail. Review the supported output configuration, current-sense method, voltage range, and fault behavior in the datasheet before assigning additional loads. Platform-specific validation remains essential because the supplied data does not identify memory-rail support.
Recommandé
Renesas ISL95866C Reference Platform
The ISL95866CHRZ is a natural candidate for a hardware platform built around Renesas ISL95866C evaluation and reference designs. The official family page identifies the ISL95866C as compliant with Intel IMVP8 and intended for desktop processor power systems, while the part-detail result names desktop CFL/CNL CPUs. Using the manufacturer reference design reduces uncertainty around gate-drive timing, sensing, compensation, and exposed-pad implementation. Engineers should still compare the exact ISL95866CHRZ suffix and any board, firmware, or accessory differences before copying a reference circuit into production.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ISL95866CHRZ — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ISL95866CHRZ-T |
|---|---|---|
| Package | 52-QFN (6x6 mm) | 52-QFN (6x6 mm) - family variant; verify exact package |
| Brand | Renesas Electronics | Renesas Electronics |
| Product Type | 4+3 multiphase R3 PWM regulator controller | 4+3 multiphase R3 PWM regulator controller |
| Number of Outputs | 2 outputs | 2 voltage regulators per verified family description |
| First VR Phase Options | 4, 3, 2, or 1 phases | 4, 3, 2, or 1 phases per family description |
| Second VR Phase Options | 3, 2, or 1 phases | 3, 2, or 1 phases per family description |
| Target Platform | Intel IMVP8 desktop processors | Intel IMVP8 desktop CFL/CNL CPUs |
| Supported Domains | IA, GT, GTUS, or GTX | IA, GT, GTUS, or GTX per family description |
| Interface | SMBus support identified for ISL95866C family | SMBus support identified for ISL95866C family |
Principaux différenciateurs
- Dual-output desktop processor regulation (vs ISL95866CHRZ-T)
- Configurable 4+3 phase organization (vs ISL95866CHRZ-T)
- Intel IMVP8 desktop positioning (vs ISL95866CHRZ-T)
Notes de conception
Design the external power stage around the processor rail requirements rather than the controller name alone. The verified 4+3 phase description indicates control topology, not a guaranteed output-current rating. Select MOSFETs, inductors, capacitors, current-sense components, and compensation using the CPU load-transient specification. Confirm whether the target platform uses IA, GT, GTUS, or GTX and assign the two regulator outputs accordingly. Because the supplied excerpts omit input/output voltage and current limits, do not finalize component stress or protection thresholds until the official datasheet is available.
Use the Renesas recommended QFN land pattern and exposed-pad thermal implementation. Keep gate-drive traces, current-sense paths, feedback routes, and compensation components compact, and keep switch-node copper away from sensing and control inputs. The verified data confirms a 52-QFN 6x6 mm package but does not provide pin names or the package drawing, so pin-specific escape routing must follow the manufacturer datasheet. Treat layout changes around a multiphase controller as signal-integrity and thermal changes, not cosmetic PCB edits.
Evaluate thermal performance across the controller, MOSFETs, inductors, and capacitors rather than estimating heat only from the QFN package. Controller dissipation, gate-drive loss, switching loss, inductor copper loss, and capacitor ESR loss have different dependencies on phase count and load. Use the verified phase options to assess operating modes, but obtain the datasheet's operating-temperature and thermal-resistance values before setting a junction or board limit. Prototype temperature measurements under worst-case desktop load and cooling conditions are especially important for compact motherboard layouts.
Do not substitute ISL95866CHRZ-T or any controller based only on the similar name and package family. The supplied evidence identifies the -T part as an ISL95866C family listing, but it does not verify identical pinout, electrical limits, lifecycle, thermal grade, or firmware behavior. Also do not infer that 4+3 phases means 7A, 70A, or any other current rating. Compare the exact ordering code, datasheet, pinout, compensation method, current-sense implementation, and platform validation requirements before approving a replacement.
Informations de conformité
The supplied verified results do not provide an explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration for ISL95866CHRZ. Obtain the current manufacturer product declaration or material compliance report before applying an environmental or automotive qualification claim.
