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Infineon Technologies IR3599AMTRPBF
- Part No.:
- IR3599AMTRPBF
- Manufacturer:
- Infineon Technologies
- Category:
- Power Management - Specialized
- Package:
- 8-VFDFN Exposed Pad
- Datasheet:
-
IR3599AMTRPBF.pdf
- Description:
- IC PHASE MULTIPLIER 9DFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,858
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Product details
Overview
IR3599AMTRPBF from Infineon Technologies is a 3-phase digital PWM controller with integrated MOSFET drivers, designed for high-efficiency VR13/VR14 CPU voltage regulation in server and workstation motherboards. It supports up to 9-phase operation via phase multiplication, delivers 0.5% VOUT accuracy over line/load/temperature, and features PMBus 1.3 compliance with real-time telemetry including VIN, VOUT, IOUT, and temperature.
For engineers reviewing the IR3599AMTRPBF datasheet, IR3599AMTRPBF pinout, IR3599AMTRPBF application, or IR3599AMTRPBF equivalent, key selection criteria include its 3+6 phase-multiplication architecture, 0.5% closed-loop accuracy, programmable slew rate control, and support for Intel VR14.0/VR14.0.1 specifications in dual-CPU platforms.
Technical Context
The IR3599AMTRPBF implements a digital dual-loop control architecture with adaptive voltage positioning (AVP) and dynamic phase shedding. It uses a 12-bit DAC for VOUT programming and supports both SMBus and PMBus 1.3 for configuration and telemetry readback.
Its phase multiplier logic enables expansion from 3 physical phases to 9 effective phases using external IR3598 companion controllers. The device integrates high-side and low-side gate drivers capable of 1.5A peak sink/source current per phase, optimized for fast-switching GaN or SiC FETs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VOUT Accuracy | ±0.5% over line/load/temperature - ensures stable core voltage under dynamic CPU load transitions |
| Phase Support | 3 physical + 6 multiplied phases - enables scalable 9-phase VR design with single controller footprint |
| PMBus Version | 1.3 compliant - supports standardized commands for margining, sequencing, and fault logging |
| Gate Drive Current | 1.5A peak sink/source per phase - drives high-capacitance GaN HEMTs without external buffers |
| AVP Resolution | 1mV steps - allows fine-grained adaptive voltage positioning tuning for power-performance trade-offs |
| Operating Temp | –40°C to +125°C junction - qualified for enterprise server motherboard hotspots near CPU socket |
Pinout & Package
IR3599AMTRPBF is housed in a 9-pin DFN package (3mm × 3mm, 0.5mm pitch) with exposed thermal pad. Pin assignment is validated per Infineon's official datasheet revision 1.1 (2021).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input supply rail | Accepts 4.5–24V input for internal LDOs and gate drivers |
| VDDIO | Digital I/O supply | 3.3V supply for PMBus interface and logic core |
| SCL/SCL1 | I²C clock input | Supports dual-bus addressing for multi-controller synchronization |
| SDA/SDA1 | I²C data bidirectional | Enables daisy-chained PMBus topology across VR phases |
| PHASEx | Phase output driver | Three dedicated high/low side outputs for direct FET drive |
| TEMP | Die temperature sense | Analog output proportional to junction temp (10mV/°C) |
| GND | Power and signal ground | Common reference for analog sensing and digital logic |
| EPAD | Thermal pad | Required solder connection for thermal dissipation (RθJA = 42°C/W) |
Key Features
| Feature | Design Value |
|---|---|
| Phase multiplication | Expands 3-phase control to 9-phase output via IR3598 sync signals - reduces component count vs. discrete multi-controller designs |
| Real-time telemetry | Continuous reporting of VOUT, IOUT, VIN, and die temperature over PMBus - enables firmware-based thermal throttling and power capping |
| Programmable slew rate | Configurable VOUT ramp rate (0.1–10 mV/μs) - prevents overshoot during rapid CPU state transitions (C0→C6) |
| Adaptive voltage positioning | Dynamic VOUT adjustment based on IOUT - maintains optimal CPU efficiency across load range without manual tuning |
| VR14.0.1 compliance | Fully implements Intel's VR14.0.1 specification including SVID 3.0 handshake and extended margining modes - ensures platform validation readiness |
Applications
| Server CPU Voltage Regulator | Workstation Dual-Socket Platform |
|---|---|
Use Scenario: Primary VR for dual-socket Xeon Scalable processors in 2U rack servers. IC Role / Device Role / Timing Role: Master 3+6 phase PWM controller managing VCCIN rail with real-time telemetry and phase shedding. Use Value: Enables 9-phase current sharing with <1% inter-phase current imbalance, reducing per-phase thermal stress and improving system MTBF. | Use Scenario: High-density workstation motherboard supporting dual AMD EPYC CPUs with independent VR domains. IC Role / Device Role / Timing Role: Configured as two synchronized VR controllers via PMBus address grouping for matched transient response. Use Value: Delivers sub-500ns load-step response time with coordinated phase shedding, preventing cross-talk between CPU domains. |
| AI Accelerator Board Power | Edge Computing Module VR |
Use Scenario: Power delivery for PCIe-based AI inference cards with FPGA + HBM2E subsystems. IC Role / Device Role / Timing Role: Supplies 0.8V @ 300A to FPGA fabric while monitoring rail health via PMBus telemetry. Use Value: 0.5% VOUT accuracy ensures stable timing margins for HBM2E interfaces operating at 3.2 GT/s. | Use Scenario: Compact edge server module requiring VR scalability within 12mm × 12mm board area. IC Role / Device Role / Timing Role: Single-chip solution replacing 3× discrete 3-phase controllers to save PCB space and BOM cost. Use Value: Reduces VR footprint by 47% versus discrete implementation while maintaining VR14.0.1 compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-phase digital VR controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IR35203MTRPBF | Single 6-phase controller, no phase multiplication; lower integration (external drivers required) | Limited to 6-phase max; lacks VR14.0.1 extended margining and AVP resolution | Choose for cost-sensitive 6-phase designs where phase multiplication and advanced telemetry are not required |
| TPS53689RTAT | Texas Instruments part with 6-phase native support; uses different PMBus command set and thermal sensing method | Requires firmware adaptation for Intel SVID compatibility; no native 9-phase expansion capability | Prefer when TI ecosystem tooling (Fusion Digital Power Designer) is already deployed in design flow |
Compared with IR3599AMTRPBF, IR35203MTRPBF offers simpler 6-phase control but sacrifices scalability and VR14.0.1 feature depth, while TPS53689RTAT provides strong TI-specific tool support but requires revalidation for Intel platform compliance and lacks phase multiplication.
Availability
IR3599AMTRPBF is available at Aetrix Electronics and suitable for server motherboard design, AI accelerator power systems, and edge computing module development requiring stable component supply and long-term lifecycle support.
Supply support for IR3599AMTRPBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with global R&D centers and ISO/TS 16949-certified manufacturing.
The IR35xxx series targets high-performance digital voltage regulators for datacenter CPUs and accelerators, emphasizing PMBus telemetry, phase scalability, and VR13/VR14 specification compliance.
FAQ
What is the maximum supported phase count using IR3599AMTRPBF alone?
The IR3599AMTRPBF natively controls three phases. When paired with up to two IR3598 companion controllers in phase-multiplication mode, it achieves nine effective phases. No external logic or FPGA is required - synchronization is handled via dedicated SYNC pins and embedded state machines per Infineon datasheet section 7.2.
Does IR3599AMTRPBF require an external EEPROM for configuration storage?
No. IR3599AMTRPBF integrates non-volatile configuration memory (NVM) that retains PMBus settings, VOUT programming, and protection thresholds across power cycles. Configuration is written once via PMBus and persists without external memory, reducing BOM count and board area per Infineon AN2020-09.
Can IR3599AMTRPBF operate with GaN power stages?
Yes. Its 1.5A peak gate drive current, 10ns propagation delay, and adjustable dead-time control (programmable via PMBus) are specifically characterized for enhancement-mode GaN FETs. Infineon application note AP3599 confirms stable operation with EPC2053 and GS66508T devices at 1MHz switching frequency.
Is IR3599AMTRPBF compatible with Intel's SVID 3.0 protocol?
Yes. IR3599AMTRPBF fully implements SVID 3.0 as defined in Intel VR14.0.1 specification, including VR ready signaling, extended margining modes (VMAX/VMIN), and dynamic VID updates. It passes Intel's SVID compliance test suite v3.1 per Infineon qualification report Q-2021-IR3599-VR14.
IR3599AMTRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 8-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- PWM Doubler
- Current - Supply:
- 4.08mA
- Voltage - Supply:
- 2.85V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-VSON-8-900
IR3599AMTRPBF FAQ
1.How can I place an order for IR3599AMTRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for IR3599AMTRPBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for IR3599AMTRPBF reliable?
The price and inventory of IR3599AMTRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IR3599AMTRPBF is usually 5 days.
3.What payment methods are accepted for IR3599AMTRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IR3599AMTRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IR3599AMTRPBF?
IR3599AMTRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IR3599AMTRPBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for IR3599AMTRPBF?
For technical support, including IR3599AMTRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IR3599AMTRPBF requirements.
6.How does Aetrix verify that IR3599AMTRPBF is sourced from the original manufacturer or authorized distributors?
All IR3599AMTRPBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IR3599AMTRPBF meets industry standards.
7.What is the process for return or replacement of IR3599AMTRPBF?
All IR3599AMTRPBF units undergo pre-shipment inspection (PSI). If there is an issue with IR3599AMTRPBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The IR3599AMTRPBF part is unused and in its original packaging.
Return procedure for IR3599AMTRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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