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Infineon Technologies IR38163MTRPBFAUMA1
- Part No.:
- IR38163MTRPBFAUMA1
- Manufacturer:
- Infineon Technologies
- Package:
- 34-PowerVFQFN
- Datasheet:
-
IR38163MTRPBFAUMA1.pdf
- Description:
- IC REG BUCK ADJ 30A 34PQFN
- Quantity:
- Payment:
- Shipping:
Inventory:8,031
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Product details
Overview
IR38163MTRPBFAUMA1 from Infineon Technologies is a 30 A synchronous buck regulator with integrated OptiMOS™ power stages, SVID and PMBus™ interfaces, 0.5% reference accuracy, programmable 150–1500 kHz switching frequency, and true differential remote sensing for Intel VR13/VR12.5 CPU core power delivery in server and high-end desktop platforms.
For engineers reviewing the IR38163MTRPBFAUMA1 datasheet, IR38163MTRPBFAUMA1 pinout, IR38163MTRPBFAUMA1 application, or IR38163MTRPBFAUMA1 equivalent, key selection criteria include SVID compliance, PMBus™-programmable fault thresholds (OVP/OCP/UVLO), thermally compensated current limit, pre-bias startup capability, and 5 mm × 7 mm PQFN thermal performance under high-current load transients.
Technical Context
This device integrates dual co-packaged OptiMOS™ MOSFETs (2.2 mΩ high-side, 0.78 mΩ low-side), an internal LDO enabling single 16 V input operation, and a digitally enhanced PWM controller supporting Intel VR12.5 (Rev 1.5), VR13 (Rev 1.0), and SVID v1.7 protocols. It delivers precise 0.5–0.875×PVIN output voltage range with ±0.5% accuracy over 0.75–1.25 V FB range.
The PMBus™ interface enables real-time monitoring of input voltage, output voltage, output current, and die temperature, while configurable fault responses-including hiccup-mode OCP, thermal shutdown, and dedicated PGood sensing-ensure system-level security during transient or fault conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 30 A continuous - supports high-current CPU Vccio rail without external current sharing |
| Input Voltage Range | 5.3–16 V - accommodates single-supply operation via internal LDO or external 5 V bias |
| Reference Accuracy | ±0.5% (0°C to 85°C, 0.75–1.25 V FB) - ensures tight output regulation for sub-1 V CPU core rails |
| Switching Frequency | 150–1500 kHz (PMBus™ programmable) - enables optimization of size vs. efficiency across board layouts |
| Thermal Resistance θJA | 11.1 °C/W - validated on 10-layer demo PCB, supports 30 A operation at ≤125°C junction temp |
| MOSFET RDS(on) | 2.2 mΩ (HS), 0.78 mΩ (LS) at Tj = 25°C - minimizes conduction loss in high-duty-cycle applications |
| Remote Sensing | True differential RS+/RS− - rejects PCB IR drop for accurate load-point voltage regulation |
Pinout & Package
IR38163MTRPBFAUMA1 is housed in a thermally enhanced 5 mm × 7 mm PQFN package with exposed thermal pad (PGND-connected) and 26-pin layout optimized for high-current DC/DC conversion. Pin 12 and 25 are PGND; Pin 13 is LGND (single-point quiet ground tie); Pins 23 and 26 are NC.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 PVIN | Main power stage input | Connects to bulk input capacitors; requires low-ESL/ESR decoupling near pin for <25 V SW node integrity |
| 2 Boot | High-side gate driver supply | Requires 0.1 µF capacitor to SW; 1 Ω series resistor mandatory if PVIN > 14 V to limit boot diode stress |
| 3 ENABLE | Global IC enable with UVLO | 0.4–0.65 V threshold; supports controlled sequencing and brown-out protection |
| 5 Vsns | OVP and Power Good sense | Direct connection to local VOUT capacitor enables fast overvoltage detection independent of EN state |
| 11 PGood | Open-drain power-good status | Active-high after soft-start; remains functional even when ENABLE is low - critical for system reset coordination |
| 14–16 SV_CLK/SV_DIO/SV_ALERT | SVID bus interface | 3.3 V–compatible digital interface for Intel CPU communication; pull-up required |
| 17–19 SAlert#/SDA/SCL | PMBus™ interface | 400 kHz I²C-compatible bus for configuration, telemetry, and fault logging; ADDR pin sets address offset |
| 24 SW | Switch node | Connects to output inductor; must be routed with minimal loop area to suppress EMI and ringing |
Key Features
| Feature | Design Value |
|---|---|
| Integrated MOSFET drivers + bootstrap diode | Eliminates external gate drive components and discrete bootstrap diode, reducing BOM count and layout complexity |
| Enhanced line/load regulation with feedforward | Improves transient response to input voltage steps and load changes without requiring additional compensation components |
| Post-package trimmed dead-time | Minimizes shoot-through risk in high-frequency operation while maintaining maximum duty cycle capability |
| PMBus™-configurable fault thresholds | Enables system-specific tuning of OVP, OCP, UVLO, and thermal shutdown limits without hardware modification |
| Enhanced pre-bias start-up | Allows safe turn-on into pre-charged output capacitors - essential for multi-rail CPU power sequencing |
Applications
| Intel® VR13 CPU Core Power | Server Memory I/O Rail (Vccio) |
|---|---|
|
Use Scenario: Primary voltage regulator for Intel Xeon Scalable processor core domain in 2U rack servers. IC Role / Device Role / Timing Role: SVID-controlled buck converter delivering dynamically scaled 0.7–1.0 V at up to 30 A with <10 µs load-step response. Use Value: Tight 0.5% reference accuracy and true differential remote sensing ensure stable core voltage under rapid DVFS transitions. |
Use Scenario: Dedicated Vccio regulator supplying DDR4/DDR5 memory interface in dual-socket server motherboards. IC Role / Device Role / Timing Role: PMBus™-managed 30 A buck stage with programmable sequencing and margining for memory subsystem validation. Use Value: Independent PGood sensing and hiccup-mode OCP prevent memory data corruption during rail faults. |
| High-End Desktop VRM | AI Accelerator Auxiliary Power |
|
Use Scenario: Compact VRM solution for enthusiast desktop platforms using Intel Core i9 processors with high transient current demands. IC Role / Device Role / Timing Role: Single-chip 30 A buck regulator with integrated drivers and thermal monitoring for space-constrained ATX boards. Use Value: 5 mm × 7 mm PQFN footprint and θJA = 11.1 °C/W enable full-load operation without heatsink in consumer-grade enclosures. |
Use Scenario: Secondary power rail for FPGA-based AI inference accelerators requiring precise 0.8 V at 25 A with telemetry support. IC Role / Device Role / Timing Role: PMBus™-enabled regulator providing real-time current/voltage/temperature telemetry to host BMC for thermal throttling. Use Value: On-die temperature sensing and ADC-reported IOUT accuracy ±3% allow predictive power management without external sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SVID-compliant high-current buck regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IR38363MTRPbF | 15 A rated; identical pinout and SVID/PMBus™ feature set; lower RDS(on) not required at reduced current | Targeted at Vmcp (memory controller) rails rather than Vccio; lower thermal mass suits mid-power domains | Select when system load does not exceed 18 A peak and board layout prioritizes thermal margin over max current density |
| MP87653GQH-P | Monolithic 30 A buck with SVID but no PMBus™; fixed 600 kHz fSW; lacks remote sense amplifier and programmable fault thresholds | Designed for cost-sensitive client platforms; no telemetry or dynamic margining capability | Choose only if PMBus™ telemetry, differential sensing, and field-programmable fault response are not required |
Compared with IR38363MTRPbF and MP87653GQH-P, IR38163MTRPBFAUMA1 uniquely combines 30 A capability, true differential remote sensing, PMBus™-configurable protection, and pre-bias startup-making it the only option for robust, telemetry-enabled Vccio regulation in enterprise-class CPU platforms.
Availability
IR38163MTRPBFAUMA1 is available at Aetrix Electronics and suitable for server motherboard design, high-end desktop VRMs, AI accelerator power subsystems, and Intel VR13-compliant embedded computing platforms requiring stable component supply and long-term production continuity.
Supply support for IR38163MTRPBFAUMA1 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 silicon and silicon carbide power devices.
IR38163 belongs to Infineon's OptiMOS™ IPOL family-designed specifically for high-efficiency, digitally controllable CPU and memory power delivery in datacenter and high-performance computing systems.
FAQ
What is the maximum supported input voltage for IR38163MTRPBFAUMA1?
The absolute maximum PVIN rating is 25 V, but recommended operating range is 5.3–16 V when using the internal LDO, or 1.5–16 V with external 5 V bias. Exceeding 16 V violates the recommended operating conditions and risks violating the 25 V SW node limit under transient conditions.
Does IR38163MTRPBFAUMA1 support remote sensing for both voltage regulation and power-good generation?
Yes - it features true differential remote sense inputs (RS+ and RS−) tied directly to the load, and a dedicated Vsns pin that connects to the local output capacitor for independent power-good assertion and overvoltage protection, even when ENABLE is deasserted.
Can the switching frequency be adjusted dynamically during operation?
Yes - the device supports real-time PMBus™ write commands to change fSW between 150 kHz and 1.5 MHz without interrupting regulation, enabling adaptive efficiency optimization based on load and thermal conditions.
Is IR38163MTRPBFAUMA1 RoHS compliant and lead-free?
Yes - it is Pb-free and fully RoHS compliant per EU Directive 2011/65/EU, with matte tin (Sn) lead finish and halogen-free packaging meeting IPC/JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) requirements.
IR38163MTRPBFAUMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- 34-PowerVFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 1.5V
- Voltage - Input (Max):
- 16V
- Voltage - Output (Min/Fixed):
- 0.5V
- Voltage - Output (Max):
- 14V
- Current - Output:
- 30A
- Frequency - Switching:
- 150kHz ~ 1.5MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 34-PQFN (5x7)
IR38163MTRPBFAUMA1 FAQ
1.How can I place an order for IR38163MTRPBFAUMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for IR38163MTRPBFAUMA1 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 IR38163MTRPBFAUMA1 reliable?
The price and inventory of IR38163MTRPBFAUMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IR38163MTRPBFAUMA1 is usually 5 days.
3.What payment methods are accepted for IR38163MTRPBFAUMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IR38163MTRPBFAUMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IR38163MTRPBFAUMA1?
IR38163MTRPBFAUMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IR38163MTRPBFAUMA1 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 IR38163MTRPBFAUMA1?
For technical support, including IR38163MTRPBFAUMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IR38163MTRPBFAUMA1 requirements.
6.How does Aetrix verify that IR38163MTRPBFAUMA1 is sourced from the original manufacturer or authorized distributors?
All IR38163MTRPBFAUMA1 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 IR38163MTRPBFAUMA1 meets industry standards.
7.What is the process for return or replacement of IR38163MTRPBFAUMA1?
All IR38163MTRPBFAUMA1 units undergo pre-shipment inspection (PSI). If there is an issue with IR38163MTRPBFAUMA1, 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 IR38163MTRPBFAUMA1 part is unused and in its original packaging.
Return procedure for IR38163MTRPBFAUMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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