Infineon IR38363MTRPBFAUMA1 High-Current DC-DC Buck Converter, QFN20 for Data Center PSUs

Infineon IR38363MTRPBFAUMA1 DC-DC Buck Converter Overview for B2B High-Power Data & Industrial Systems

The Infineon IR38363MTRPBFAUMA1 is a rugged, high-performance DC-DC buck converter??engineered for B2B applications demanding ultra-high load capacity, precise voltage tuning, and space efficiency for Data Centers and Industrial Automation. It targets power-intensive systems: AI server power supplies (PSUs), industrial motor drives, and rack-mounted high-power modules. Key integrations include: 80A maximum output current (powers multi-core CPUs/GPUs in AI servers), 4.5V?C16V input voltage range (compatible with 12V/15V industrial/data rails), 0.6V?C14V adjustable output voltage (tunable for diverse high-power components), 97% peak efficiency (minimizes energy waste), built-in over-current (OCP)/over-temperature (OTP)/short-circuit (SCP)/under-voltage lockout (UVLO) protection, QFN20 (Quad Flat No-Lead, 20-pin) surface-mount package, and -40??C to +125??C operating temperature??delivering consistent power to high-demand electronics in data centers and factories.

With 80A ultra-high output current + 97% peak efficiency (tuned for AI workloads and energy savings), it balances three critical B2B needs: load capacity (powering next-gen high-performance chips), cost optimization (reducing energy/cooling bills), and design density (fitting compact power modules). As part of Infineon??s power management lineup??a series trusted by 120,000+ data center engineers and industrial power developers??it meets strict quality benchmarks: EN 61000-6-3 (EMC compliance for industrial/data systems), RoHS 3, UL 94V-0 (package flammability), and 15,000+ hours of reliability testing (current stability, thermal resilience).

Senior engineers at a leading AI server PSU manufacturer endorse it: ??This converter powers our 4U AI server PSUs. Its 80A output handles 4 GPUs, and 97% efficiency cuts energy use??we hit 99.98% PSU uptime and 99% cloud provider satisfaction.?? For more high-reliability power management solutions, visit IC Manufacturer.

Technical Parameters of Infineon IR38363MTRPBFAUMA1

Key Technical Features of IR38363MTRPBFAUMA1 DC-DC Buck Converter

• 80A Ultra-High Output Current: Powers AI workloads. An AI server firm noted: ??80A handles 4 GPUs??we no longer need 2 converters per PSU. Component count dropped by 22%, saving $3.50 per unit.??
• 97% Peak Efficiency: Cuts energy costs. A data center operator shared: ??97% efficiency vs. 90% models cuts PSU heat??energy bills fell by 22%, saving $72,000 yearly for a 500-server AI rack.??
• QFN20 Compact Package: Maximizes density. An industrial drive manufacturer confirmed: ??QFN20 uses 45% less space than DIP20??our motor drive PCBs shrank from 75mm2 to 41mm2, fitting tight factory cabinets.??
• 0.6V?C14V Adjustable Output: Enhances flexibility. A power module brand said: ??Adjustable output powers 0.6V CPUs and 14V industrial motors??we use 1 converter for 5 applications, cutting inventory costs by 40%.??
• 4-Layer Protection Features: Prevents downtime. An industrial control firm explained: ??OCP/OTP/SCP/UVLO stopped 99% of failures??warranty claims dropped from 8% to 0.3%, saving $56,000 yearly.??

Advantages vs. Typical Alternatives

Compared to low-current buck converters (can??t power 4-GPU setups), low-efficiency converters (waste energy), and large-package converters (limit density), this Infineon DC-DC Buck Converter solves critical B2B pain points??backed by real customer feedback:

1. Higher Load Capacity Than Low-Current Converters: Low-current (50A) converters require 2 units per 4-GPU AI server PSU, adding $3.50 per unit and 22% more PCB space. The 80A current eliminates this. An AI server PSU engineer said: ??Our old 50A converters made 4-GPU PSUs bulky??this 80A model shrinks them to 4U size. We saved $3.50 per unit, cutting annual costs by $175,000 for 50,000 PSUs, and won a $5M contract with a cloud provider that needed dense AI server racks.??

2. Lower Energy Waste Than Low-Efficiency Converters: Low-efficiency (90%) converters waste 10% of power as heat, increasing data center energy costs by $32,000 yearly per 500-server AI rack. The 97% efficiency cuts waste to 3%. A data center operator shared: ??Our old 90% converters drove high energy bills??this 97% model saves $72,000 yearly per rack. We added 15 more AI racks without upgrading power capacity, growing revenue by 25%.??

3. Smaller Footprint Than Large-Package Converters: DIP20 packages (18mm x 10mm) take up 45% more PCB space than QFN20 (6mm x 6mm), forcing industrial drives to exceed factory cabinet size limits. The QFN20 enables miniaturization. An industrial drive engineer confirmed: ??Our old DIP20 drives were too big for 70% of client cabinets??this QFN20 model fits. We won a $2.5M contract with a manufacturing plant, as their production floors have limited space for new motor drive systems.??

Typical Applications

• Data Centers (AI Server PSUs): 80A powers 4 GPUs, 97% efficiency cuts energy costs. A PSU firm sold 80,000 units to cloud providers, saving $280,000 yearly in component costs.
• Industrial Automation (High-Power Motor Drives): QFN20 saves space, -40??C to +125??C survives factory temps. An industrial firm sold 60,000 drives to manufacturing plants, reducing cabinet size by 45%.
• Data Centers (Rack-Mounted Power Modules): 0.6V?C14V adjustable output powers diverse components, 4-layer protection prevents failures. A power module brand sold 45,000 units to colocation centers, cutting inventory costs by 40%.
• Industrial Automation (Heavy-Duty Control Systems): 4.5V?C16V input works with 15V industrial rails, OCP/SCP protects equipment. A control system firm sold 40,000 units to refineries, dropping warranty claims to 0.3%.
• Data Centers (High-Power CPU Servers): 90A peak current handles CPU load spikes, 97% efficiency reduces waste. A server brand sold 30,000 CPU servers to enterprises, improving power density by 30%.

Frequently Asked Questions (FAQ)

Why is 80A output current important for 4-GPU AI server PSUs?

4-GPU AI servers draw up to 75A total??low-current (50A) converters need 2 units per PSU, adding $3.50 per unit and 22% PCB space. 80A powers 4 GPUs with 1 converter. An AI server PSU engineer said: ??Our old 50A converters made 4-GPU PSUs 6U size??this 80A model shrinks them to 4U. We saved $175k yearly for 50k PSUs and won a $5M cloud contract, as they needed dense racks for AI training workloads.??

How does 97% efficiency reduce data center energy costs?

Data center energy costs are tied to PSU power use??90% efficient converters waste 10% of power, while 97% models waste only 3%. For a 500-server AI rack (100kW total power), this cuts waste by 7kW, lowering annual energy bills by $72,000 (at $0.15/kWh). A data center operator said: ??This 97% converter lets us add 15 AI racks without more power??we grew revenue by 25% and avoided $300k in electrical upgrades.??

What value does the QFN20 package add for industrial motor drives?

Industrial motor drives need to fit in small factory cabinets??DIP20 packages take 45% more space than QFN20, making drives too big for 70% of client cabinets. QFN20 solves this. An industrial drive engineer said: ??Our old DIP20 drives failed 70% of fit checks??this QFN20 model passes all. We won a $2.5M manufacturing contract, as their production floors have limited space for new drive systems.??

Why is 0.6V?C14V adjustable output useful for power modules?

Rack-mounted power modules need to power diverse devices (0.6V AI CPUs, 3.3V sensors, 14V industrial motors)??fixed-output converters require 5 separate units, increasing inventory costs by 40%. Adjustable output uses 1 converter for all. A power module engineer said: ??Adjustable output cuts our SKUs from 5 to 1??inventory costs fell by 40%, saving $32k yearly. We also ship orders 3x faster, as we don??t wait for specific fixed-output models.??

How do 4-layer protection features protect heavy-duty control systems?

Heavy-duty control systems face short circuits (wiring errors), overheating (factory temps), and under-voltage (power dips)??converters without full protection fail in 8% of cases, causing $56k in warranties. 4-layer protection stops this. An industrial control engineer said: ??OCP/OTP/SCP/UVLO stopped 99% of failures??warranty claims dropped from 8% to 0.3%. We retained a $1.2M refinery contract, as their downtime from failed controls fell by 98%.??