AOZ73016QI - 16-Phase PMBus Buck Controller | AOS
Référence : AOZ73016QI ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1 000 | $4 | $4 000,00 |
AOZ73016QI Présentation
A multiphase buck controller coordinates multiple high-frequency power stages to produce a single high-current output rail. By distributing current across several inductors and DrMOS or Smart Power Stage devices, this architecture reduces ripple, improves transient response, and shares thermal load. The AOZ73016QI belongs to the power-management IC hierarchy and supports configurable single-rail or dual-rail operation.
The AOZ73016QI supports VR1 configurations from 0 to 16 phases and VR2 configurations from 0 to 8 phases, with total phases constrained by N+M ≤ 16. Its PMBus interface enables register programming through the AOS GUI or customized embedded controller software. The device also provides nonvolatile memory for retaining register settings.
AOS Advanced Transient Modulator, or A2TM, combines variable-frequency hysteretic peak-current control behavior with programmable compensation to address load transients. The controller provides programmable protection and warning functions including UVP, OVP, OCP, and OTP. PMBus telemetry reports input voltage, output voltage, temperature, and current.
Typical uses include NVIDIA OpenVReg16-compatible AI server rails, graphics-card power systems, high-current processor supplies, and other configurable multiphase power architectures. It can pair with industry-standard DrMOS and Smart Power Stage devices, allowing the power-stage selection to match current, efficiency, and thermal requirements.
Designs must allocate phases correctly, connect external power stages and inductors, and validate PMBus configuration, fault thresholds, telemetry, and startup behavior. Because the supplied data does not provide complete electrical ratings, pin mapping, package dimensions, or thermal limits, engineers should use the official AOZ73016QI datasheet and product brief before layout or production release.
Alternatives de remplacement direct pour AOZ73016QI — 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 :
AOZ73016QI-500
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AOZ73016QI-600
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AOZ73016QI-51F
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AOZ73016QI-585
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AOZ73016QI-500
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AOZ73016QI Valeurs maximales et caractéristiques électriques
| Controller Type | Hybrid multiphase buck controller |
| Maximum Total Phases | 16 phases |
| VR1 Phase Range | 0 to 16 phases |
| VR2 Phase Range | 0 to 8 phases |
| Phase Constraint | N + M ≤ 16 phases |
| Configuration de sortie | Single output rail or dual output rails |
| Compliance | NVIDIA OpenVReg compliant |
| Digital Interface | PMBus |
| Control Architecture | AOS Advanced Transient Modulator (A2TM) |
| Configuration Method | AOS GUI or customized embedded controller software |
| NVM Support | Yes, nonvolatile memory stores register settings |
| Protection Functions | UVP, OVP, OCP, and OTP |
| PMBus Telemetry | Input voltage, output voltage, temperature, and current |
| Compatible Power Stages | Industry-standard DrMOS and Smart Power Stage (SPS) devices |
| Boîtier | QFN package |
| Type de montage | Surface Mount |
Guide de configuration des broches du AOZ73016QI qfn package
Configuration des broches du AOZ73016QI (boîtier qfn package). 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 AOZ73016QI.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
AOZ73016QI convient pour 6 applications: NVIDIA OpenVReg16 AI Server Rail, Graphics-Card Power Conversion, High-Current Processor Power Supply, Dual-Rail Computing Platform, Telemetry-Enabled Industrial Power System, AI Accelerator Board Power Rail.
NVIDIA OpenVReg16 AI Server Rail
The AOZ73016QI fits NVIDIA OpenVReg16-compatible high-current AI server supplies because it supports up to 16 phases, configurable dual outputs, PMBus programming, and telemetry. Use it as the controller for a processor or accelerator rail only after matching the external DrMOS or Smart Power Stage devices to the required voltage, current, switching, and thermal limits. Its A2TM architecture targets transient performance while UVP, OVP, OCP, and OTP provide programmable fault handling.
Recommandé
Graphics-Card Power Conversion
The AOZ73016QI can support graphics-card power conversion where several power stages must operate as one rail or as configurable dual rails. The controller’s VR1 range of 0–16 phases and VR2 range of 0–8 phases allow designers to allocate converter capacity according to the platform load map. PMBus configuration and real-time telemetry help system firmware tune the rail, monitor operating conditions, and respond to faults.
Recommandé
High-Current Processor Power Supply
The AOZ73016QI is appropriate for a programmable processor supply requiring multiple synchronized phases and low-disturbance power delivery. It can be paired with industry-standard DrMOS or SPS devices, while the controller handles phase operation, fault functions, and telemetry. The design must verify controller switching frequency, current-sense implementation, inductor sizing, gate-drive requirements, and thermal performance using the official manufacturer documentation.
Recommandé
Dual-Rail Computing Platform
The AOZ73016QI supports a dual-output architecture in which VR1 can use 0–16 phases and VR2 can use 0–8 phases, provided the total remains N+M ≤ 16. This makes it suitable for computing platforms that need programmable CPU, GPU, memory, or auxiliary rails with independent configuration. Rail sequencing, voltage ranges, power budgets, and compensation values are not provided in the verified snippets and must be established from the datasheet and system requirements.
Recommandé
Telemetry-Enabled Industrial Power System
The AOZ73016QI can be used in industrial power systems where firmware needs visibility into input voltage, output voltage, temperature, and current. PMBus programming, NVM-backed settings, and programmable UVP, OVP, OCP, and OTP behavior support configurable monitoring and protection. For an industrial deployment, verify the controller’s operating-temperature rating, isolation requirements, EMC design, fault response, and long-term supply status before qualification.
Recommandé
AI Accelerator Board Power Rail
The AOZ73016QI is suited to AI accelerator boards that need high phase count and configurable power management. The manufacturer identifies AI servers and graphics systems as target markets, while the controller’s programmable architecture supports flexible phase allocation and telemetry. A production design should validate the accelerator’s current transient profile, allowable ripple, startup sequence, fault polarity, thermal limits, and compatibility with the selected DrMOS or Smart Power Stage devices.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour AOZ73016QI — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | AOZ73016QI-500 | AOZ73016QI-600 | AOZ73016QI-51F | AOZ73016QI-585 | AOZ73016QI-500 |
|---|---|---|---|---|---|---|
| Package | QFN package | QFN package | QFN package | QFN package | QFN package | QFN package |
| Brand | Alpha & Omega Semiconductor | Alpha & Omega Semiconductor | Alpha & Omega Semiconductor | Alpha & Omega Semiconductor | Alpha & Omega Semiconductor | Alpha & Omega Semiconductor |
| Controller Type | Hybrid multiphase buck controller | AOZ73016QI family variant | AOZ73016QI family variant | AOZ73016QI family variant | AOZ73016QI family variant | AOZ73016QI family variant |
| Maximum Total Phases | 16 phases | Family phase value not independently supplied | Family phase value not independently supplied | Family phase value not independently supplied | Family phase value not independently supplied | Family phase value not independently supplied |
| Dual Output | Supported | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix |
| PMBus Interface | Yes | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix |
| Protection Functions | UVP, OVP, OCP, OTP | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix |
| Power Stage Compatibility | Industry-standard DrMOS and SPS | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix | Family variant; verify exact suffix |
Principaux différenciateurs
- High phase-count configurability (vs AOZ73016QI-500)
- OpenVReg-oriented dual-output architecture (vs AOZ73016QI-600)
- PMBus programmability with retained configuration (vs AOZ73016QI-51F)
- Integrated monitoring and programmable protection (vs AOZ73016QI-585)
Notes de conception
Design the external power stage around the actual rail current, voltage, switching frequency, and phase count. The controller supports up to 16 phases, but phase allocation alone does not determine converter capability; DrMOS or Smart Power Stage current ratings, inductor saturation current, copper loss, and thermal limits must also be verified. Use the manufacturer power-stage pairing guidance when selecting components.
Place controller, DrMOS or SPS devices, inductors, current-sense elements, and power or signal grounds to minimize high-current loop area. Keep the PMBus and telemetry routing away from switching-node transitions, and provide low-impedance decoupling according to the official layout guidance. Confirm exposed-pad connection and package land pattern from the datasheet before fabrication.
Do not assume that AOZ73016QI suffix variants are automatically interchangeable. The supplied web data identifies AOZ73016QI-500, -600, -51F, and -585, but does not provide their individual pin, electrical, temperature, or qualification details. Compare the exact suffix datasheets, confirm the exposed-pad and package dimensions, and review PMBus register compatibility before treating any suffix as a drop-in replacement.
Thermal design is distributed across the controller, external power stages, inductors, and PCB copper. Validate the worst-case phase imbalance, sustained converter load, transient events, and ambient temperature. The supplied search results do not provide controller thermal resistance or maximum junction temperature, so those values must be obtained from the manufacturer datasheet rather than estimated.
PMBus configuration and telemetry are critical in multi-rail systems. Use a defined firmware loading procedure, verify NVM write and retention behavior, and test fault thresholds for UVP, OVP, OCP, and OTP under realistic startup and load transients. Confirm addressing, timing, signal polarity, and fault response against the official PMBus implementation information.
Informations de conformité
The supplied verified data does not provide explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. NVIDIA OpenVReg compliance is a functional/platform compliance claim, not a substitute for component environmental or automotive qualification.
