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Infineon Technologies IR3595BMTRPBF
- Part No.:
- IR3595BMTRPBF
- Manufacturer:
- Infineon Technologies
- Category:
- DC DC Switching Controllers
- Package:
- -
- Datasheet:
-
IR3595BMTRPBF.pdf
- Description:
- MP - DCIC
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Product details
Overview
IR3595BMTRPBF from Infineon Technologies is a digital multiphase DC-DC controller IC for CPU/GPU VR applications, supporting up to 6-phase operation, 0.25–1.52V output voltage range, and PMBus 1.3 interface. It integrates dual-loop digital control, adaptive voltage positioning (AVP), and real-time telemetry for high-efficiency server and workstation power delivery.
For engineers reviewing the IR3595BMTRPBF datasheet, IR3595BMTRPBF pinout, IR3595BMTRPBF application, or IR3595BMTRPBF equivalent, key selection criteria include phase count scalability, AVP compliance with Intel VR13/VR14 specifications, PMBus programmability, and thermal-aware current balancing across phases.
Technical Context
The IR3595BMTRPBF implements a dual-loop digital control architecture with inner current-loop and outer voltage-loop, enabling fast transient response (<10 µs) and precise load-line regulation. It supports dynamic phase shedding and adding based on real-time current demand, with per-phase current monitoring via integrated MOSFET RDS(on) sensing.
It features a dedicated SVID interface for CPU communication and a separate PMBus 1.3 port for system-level configuration and telemetry readback-including input/output voltage, current, temperature, and fault status-enabling full digital power management in x86 platforms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Phases | Up to 6 phases; enables scalable high-current CPU VR design with automatic phase add/drop. |
| Output Voltage Range | 0.25 V to 1.52 V; compliant with Intel VR13/VR14 specification for modern processors. |
| Control Interface | PMBus 1.3 + SVID; allows full configuration and telemetry via system management bus and direct CPU handshake. |
| Current Sensing | RDS(on)-based per-phase sensing; eliminates need for external current sense resistors, reducing BOM cost and board space. |
| AVP Support | Programmable adaptive voltage positioning; dynamically adjusts output voltage vs. load current to optimize power efficiency and thermal margin. |
| Operating Temperature | –40 °C to +125 °C junction; qualified for enterprise server and high-density compute environments. |
Pinout & Package
IR3595BMTRPBF is housed in a 48-pin QFN package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad for enhanced power dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input supply rail | Accepts 3–19 V input; powers internal circuitry and gate drivers. |
| VOUT_SENSE+ | Positive output voltage sense | High-impedance Kelvin connection for accurate remote voltage regulation at CPU socket. |
| PHASE0–PHASE5 | Phase driver outputs | Drive high-side and low-side MOSFET gates per phase; support interleaved timing up to 6 phases. |
| SVID_DATA / SVID_CLK | CPU communication interface | Bi-directional SVID link for dynamic VID updates and status reporting to processor. |
| PMBUS_SDA / PMBUS_SCL | System management interface | Standard PMBus 1.3 interface for configuration, telemetry logging, and fault diagnostics. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-loop digital control | Enables sub-10 µs transient response and stable regulation under rapid CPU load steps. |
| Per-phase RDS(on) current sensing | Eliminates external sense resistors, reducing thermal footprint and improving accuracy over temperature. |
| Adaptive voltage positioning (AVP) | Automatically lowers output voltage under light load to reduce power loss while maintaining CPU stability. |
| Real-time telemetry via PMBus | Provides continuous readback of voltage, current, temperature, and fault flags for predictive maintenance and system health monitoring. |
Applications
| Server CPU Voltage Regulator | Workstation GPU Power Delivery |
|---|---|
Use Scenario: Dual-socket 2U rack server with dual Intel Xeon Scalable processors requiring tight voltage tolerance and dynamic phase control. IC Role / Device Role / Timing Role: Primary multiphase VR controller managing up to 6 phases per CPU, coordinating with SVID and PMBus for dynamic VID and telemetry. Use Value: Enables compliance with VR14 spec, reduces VRM solution size by 22% versus analog alternatives, and supports real-time thermal derating. | Use Scenario: High-end CAD/CAM workstation with NVIDIA A100 GPU demanding precise 0.8–1.2 V rail with <±5 mV regulation. IC Role / Device Role / Timing Role: Dedicated GPU VR controller implementing AVP and per-phase current balancing to maintain stable rail under variable compute loads. Use Value: Achieves <1% output voltage deviation during 50 A/µs load transients and supports GPU thermal throttling via PMBus temperature feedback. |
| AI Accelerator Board Power | Cloud Infrastructure Compute Node |
Use Scenario: PCIe-based AI inference card with multiple ASICs requiring independent, tightly regulated 0.75–1.1 V rails. IC Role / Device Role / Timing Role: Configurable multiphase controller supporting split-rail operation and independent loop tuning per ASIC domain. Use Value: Allows fine-grained voltage sequencing and dynamic margining for ASIC validation, reducing bring-up time by 30%. | Use Scenario: OCP-compliant cloud server node with multi-core ARM-based SoC and memory subsystem requiring coordinated power states. IC Role / Device Role / Timing Role: Centralized VR controller interfacing with BMC via PMBus to enable power capping, phase cycling, and firmware-updatable profiles. Use Value: Supports dynamic power budgeting across CPU, memory, and I/O domains with <2 ms response latency to BMC commands. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multiphase digital VR controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IR35223MTRPBF | 4-phase max, no SVID interface, supports only PMBus; lower pin count and cost. | Targeted at mid-tier servers and storage controllers where CPU-specific SVID handshake is not required. | Select when phase count ≤4 and SVID compatibility is unnecessary; saves ~$1.20/unit at 10k volume. |
| TPS53689RTAT | Analog-digital hybrid control, 6-phase, no native SVID but supports compatible VID protocol; TI's Fusion Digital Power GUI supported. | Preferred in TI ecosystem designs and industrial edge compute where GUI-based tuning is prioritized over SVID integration. | Choose when leveraging TI's design tools and existing Fusion-based firmware stack; requires external VID translation logic for Intel CPUs. |
Compared with IR35223MTRPBF and TPS53689RTAT, the IR3595BMTRPBF uniquely combines full SVID+PMBus dual-interface support, 6-phase scalability, and AVP-making it the only option qualified for Intel VR14-compliant high-end server CPU VRMs without external protocol bridging.
Availability
IR3595BMTRPBF is available at Aetrix Electronics and suitable for server motherboard design, AI accelerator power systems, and cloud infrastructure compute nodes requiring stable component supply and long-term lifecycle support.
Supply support for IR3595BMTRPBF 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 digital power solutions.
The IR35xx family targets high-performance computing power delivery, designed specifically to meet Intel VR13/VR14 specifications and enable scalable, telemetry-rich multiphase VRMs for datacenter and AI workloads.
FAQ
What is the maximum supported switching frequency per phase?
The IR3595BMTRPBF supports a programmable phase-switching frequency from 200 kHz to 1.5 MHz. At 6-phase operation, typical design uses 600–800 kHz per phase to balance efficiency, EMI, and component size-enabling use of compact 0.47 µH inductors and low-ESR polymer capacitors.
Does IR3595BMTRPBF require external current sense resistors?
No. The device uses integrated RDS(on)-based current sensing on high-side and low-side MOSFETs per phase. This eliminates external sense resistors, reduces power loss by ~0.8 W per phase at 60 A, and improves thermal performance without sacrificing measurement accuracy.
Can IR3595BMTRPBF operate without a CPU present?
Yes. In standalone mode, it defaults to a fixed VID setting (0.85 V) and operates with basic PMBus control. Full SVID functionality-including dynamic VID updates and processor state awareness-is only active when a compatible Intel CPU is detected and communicating via SVID lines.
Is thermal pad soldering required for reliable operation?
Yes. The exposed thermal pad must be soldered to a minimum 200 mm² copper pour with ≥4 thermal vias (0.3 mm diameter) to an internal ground plane. Failure to do so risks junction temperature exceeding 125 °C at >45 A per phase, triggering thermal shutdown and compromising long-term reliability.
IR3595BMTRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Type:
- -
- Function:
- -
- Output Configuration:
- -
- Topology:
- -
- Number of Outputs:
- -
- Output Phases:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Frequency - Switching:
- -
- Duty Cycle (Max):
- -
- Synchronous Rectifier:
- -
- Clock Sync:
- -
- Serial Interfaces:
- -
- Control Features:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
IR3595BMTRPBF FAQ
1.How can I place an order for IR3595BMTRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for IR3595BMTRPBF 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 IR3595BMTRPBF reliable?
The price and inventory of IR3595BMTRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IR3595BMTRPBF is usually 5 days.
3.What payment methods are accepted for IR3595BMTRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IR3595BMTRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IR3595BMTRPBF?
IR3595BMTRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IR3595BMTRPBF 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 IR3595BMTRPBF?
For technical support, including IR3595BMTRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IR3595BMTRPBF requirements.
6.How does Aetrix verify that IR3595BMTRPBF is sourced from the original manufacturer or authorized distributors?
All IR3595BMTRPBF 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 IR3595BMTRPBF meets industry standards.
7.What is the process for return or replacement of IR3595BMTRPBF?
All IR3595BMTRPBF units undergo pre-shipment inspection (PSI). If there is an issue with IR3595BMTRPBF, 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 IR3595BMTRPBF part is unused and in its original packaging.
Return procedure for IR3595BMTRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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