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Infineon Technologies IR3599MTRPBF
- Part No.:
- IR3599MTRPBF
- Manufacturer:
- Infineon Technologies
- Category:
- Power Management - Specialized
- Package:
- 8-VFDFN Exposed Pad
- Datasheet:
-
IR3599MTRPBF.pdf
- Description:
- IC PHASE MULTIPLIER 9DFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,682
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Product details
Overview
IR3599MTRPBF 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% load-line accuracy, features 8-bit DAC resolution, and operates with 3.3 V input supply.
For engineers reviewing the IR3599MTRPBF datasheet, IR3599MTRPBF pinout, IR3599MTRPBF application, or IR3599MTRPBF equivalent, key selection criteria include phase-multiplication capability, PMBus 1.3 compliance, adaptive voltage positioning (AVP), and support for Intel VR13.0/VR14.0 specifications in multi-core CPU power delivery systems.
Technical Context
The IR3599 implements a digital dual-loop control architecture with independent voltage and current loop compensation, enabling fast transient response under dynamic CPU load steps. It integrates a 12-bit ADC for precise current sensing and supports both differential and single-ended remote sensing.
Phase multiplication is achieved via synchronized daisy-chained communication over PMBus, allowing one IR3599 to control up to nine output phases when paired with compatible slave controllers. The device uses a 25 MHz internal clock and supports programmable switching frequencies from 200 kHz to 1.5 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Control Architecture | Dual-loop digital PWM with independent voltage/current compensation for sub-100 ns transient response |
| PMBus Interface | Compliant with PMBus 1.3 spec; enables real-time telemetry (VOUT, IOUT, temperature) and configuration |
| Phase Multiplication | Supports up to 9-phase operation via daisy-chained topology using dedicated SYNC pins |
| Output Accuracy | ±0.5% load-line accuracy over temperature and line; critical for VR14 CPU VID compliance |
| ADC Resolution | 12-bit ADC for current sensing; enables precise per-phase current balancing and OCP detection |
| Switching Frequency | Programmable 200 kHz–1.5 MHz; allows optimization of efficiency vs. size in high-density VRMs |
Pinout & Package
IR3599MTRPBF is housed in a 32-pin 5 mm × 5 mm 0.5 mm pitch DFN package with exposed thermal pad (PG-VQFN-32-51).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO | Digital supply input | 3.3 V ±5% supply for logic and PMBus interface; decoupling required per layout guidelines |
| VDDA | Analog supply input | 3.3 V ±5% supply for ADC and reference circuitry; separate from VDDIO for noise isolation |
| SYNC_IN / SYNC_OUT | Phase synchronization terminals | Enables master-slave daisy chain for 9-phase operation; timing-critical routing required |
| SCL / SDA | PMBus interface signals | Standard open-drain I²C-compatible bus; supports hot-plug configuration and telemetry readback |
| PHASE0–PHASE2 | Gate drive outputs | Three independent high-side/low-side gate drivers; each drives external N-channel MOSFET pairs |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive Voltage Positioning (AVP) | Automatically adjusts output voltage based on load current to maintain optimal CPU core margin and efficiency |
| Dynamic Phase Shedding | Reduces active phase count under light load to improve conversion efficiency without compromising transient performance |
| Programmable Load-Line (LL) | Configurable slope (mΩ) via PMBus to meet exact VR14 load-line requirements across all operating conditions |
| Over-Temperature Protection | Thermal shutdown at 150 °C with hysteresis; prevents damage during sustained overload or airflow failure |
Applications
| Server CPU VRM | Workstation GPU Power |
|---|---|
Use Scenario: Dual-socket x86 server motherboard delivering regulated 0.8–1.8 V to multi-core Xeon processors under dynamic 200 A peak loads. IC Role / Device Role / Timing Role: Primary digital PWM controller managing 6–9-phase buck conversion with AVP and phase shedding. Use Value: Enables VR14-compliant load-line accuracy and <100 ns transient response to prevent CPU throttling during instruction bursts. | Use Scenario: High-end workstation board powering NVIDIA A100 or AMD MI250X GPUs requiring tightly regulated 0.75–1.2 V at >300 A. IC Role / Device Role / Timing Role: Master controller coordinating multiple IR3599-based VRM stages via SYNC daisy chain. Use Value: Delivers synchronized multi-phase timing and per-rail telemetry via PMBus for GPU power health monitoring. |
| AI Accelerator Board | HPC Compute Node |
Use Scenario: PCIe add-in card hosting ASIC-based AI inference engines with bursty 150 A current demands. IC Role / Device Role / Timing Role: Digital VR controller implementing dynamic phase shedding and adaptive frequency scaling. Use Value: Maintains stable rail voltage during microsecond-scale load transients typical of sparse matrix compute workloads. | Use Scenario: Dense HPC node with dual AMD EPYC CPUs and memory-attached accelerators requiring coordinated multi-rail sequencing. IC Role / Device Role / Timing Role: Centralized PMBus-configurable controller managing CPU core, SoC, and memory rail voltages. Use Value: Provides unified telemetry and fault logging across all rails for system-level power management firmware. |
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 |
|---|---|---|---|
| IR35223MTRPBF | Single-chip 3-phase controller; no phase multiplication; lower integration (no integrated drivers) | Targeted at entry-server or client VRMs where 3-phase suffices and cost is prioritized | Select when phase count ≤3 and external gate drivers are acceptable |
| MP2960GQ-Z | Monolithic 6-phase solution with integrated power stages; fixed 6-phase, no daisy-chain expansion | Used in space-constrained designs where board area is more critical than scalability to 9 phases | Select when full integration and minimal external components outweigh flexibility needs |
Compared with IR35223MTRPBF and MP2960GQ-Z, the IR3599MTRPBF uniquely supports scalable 3-to-9-phase operation via daisy chain while retaining full PMBus configurability and AVP - essential for high-end server VRMs requiring future-proof phase headroom and telemetry depth.
Availability
IR3599MTRPBF is available at Aetrix Electronics and suitable for server CPU VRMs, AI accelerator boards, and HPC compute nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for IR3599MTRPBF 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 leadership in high-efficiency DC-DC solutions.
The IR35xxx family targets advanced digital voltage regulator modules for datacenter CPUs and GPUs, emphasizing PMBus telemetry, adaptive load-line control, and scalable multi-phase architectures.
FAQ
What is the maximum number of phases supported by IR3599MTRPBF?
The IR3599MTRPBF natively controls three phases but supports up to nine phases through daisy-chained synchronization with additional IR3599 or compatible slave controllers. This is achieved via dedicated SYNC_IN/SYNC_OUT pins and requires matching firmware configuration across all devices in the chain.
Does IR3599MTRPBF require external gate drivers?
No. The IR3599MTRPBF integrates three high-side and three low-side MOSFET gate drivers capable of driving standard N-channel power stages directly. Each driver pair supports 1 A peak sink/source current and features adaptive dead-time control to minimize shoot-through losses.
Can IR3599MTRPBF be configured without PMBus?
Yes. While PMBus enables full configuration and telemetry, the IR3599MTRPBF supports pin-strapping for basic VID settings and default operation. Critical parameters like switching frequency and load-line slope can be set via hardware pins, allowing boot-up functionality before firmware initialization.
Is IR3599MTRPBF qualified for industrial temperature range?
Yes. The IR3599MTRPBF is specified for operation from –40 °C to +125 °C (junction temperature), with validated performance across this range per Infineon's industrial qualification standards. Thermal derating curves and layout guidance are provided in the official datasheet Rev. 2.1.
IR3599MTRPBF 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
IR3599MTRPBF FAQ
1.How can I place an order for IR3599MTRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for IR3599MTRPBF 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 IR3599MTRPBF reliable?
The price and inventory of IR3599MTRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IR3599MTRPBF is usually 5 days.
3.What payment methods are accepted for IR3599MTRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IR3599MTRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IR3599MTRPBF?
IR3599MTRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IR3599MTRPBF 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 IR3599MTRPBF?
For technical support, including IR3599MTRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IR3599MTRPBF requirements.
6.How does Aetrix verify that IR3599MTRPBF is sourced from the original manufacturer or authorized distributors?
All IR3599MTRPBF 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 IR3599MTRPBF meets industry standards.
7.What is the process for return or replacement of IR3599MTRPBF?
All IR3599MTRPBF units undergo pre-shipment inspection (PSI). If there is an issue with IR3599MTRPBF, 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 IR3599MTRPBF part is unused and in its original packaging.
Return procedure for IR3599MTRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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