Infineon IR3888BMTRPBFAUMA1 High-Efficiency DC-DC Buck Converter, QFN16 for Data Centers

Infineon IR3888BMTRPBFAUMA1 DC-DC Buck Converter Overview for B2B High-Power Data Systems

The Infineon IR3888BMTRPBFAUMA1 is a next-gen, high-efficiency DC-DC buck converter??engineered for B2B applications demanding ultra-precise voltage control, heavy-load capacity, and space optimization for Data Centers and Industrial Automation. It targets power-critical systems: AI server power supplies (PSUs), rack-mounted high-density power modules, and industrial motor drives. Key integrations include: 60A maximum output current (supports multi-core CPUs/GPUs in AI servers), 4.5V?C14V input voltage range (compatible with 12V data center/industrial power rails), 0.5V?C12V adjustable output voltage (tunable for low-voltage high-performance chips), 98% peak efficiency (minimizes energy waste), built-in over-current (OCP)/over-temperature (OTP)/short-circuit (SCP)/under-voltage lockout (UVLO) protection, QFN16 (Quad Flat No-Lead, 16-pin) surface-mount package, and -40??C to +125??C operating temperature??delivering consistent power to high-demand electronics in data centers and factories.

Avec 60A high output current + 98% peak efficiency (tuned for AI workloads and energy savings), it balances three critical B2B needs: load resilience (powers next-gen chips), cost efficiency (reduces energy/cooling bills), and design density (fits compact power modules). As part of Infineon??s power management lineup??a series trusted by 128,000+ 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 20,000+ hours of reliability testing (current stability, thermal resilience).

Senior engineers at a leading AI server PSU manufacturer endorse it: ??This converter powers our 2U AI server PSUs. Its 60A output handles 3 GPUs, and 98% efficiency cuts energy use??we hit 99.99% PSU uptime and 99% cloud provider satisfaction.?? For more high-efficiency power management solutions, visit Fabricant de circuits intégrés.

Technical Parameters of Infineon IR3888BMTRPBFAUMA1

Paramètres	Spécifications
Product Type	Infineon High-Current, High-Efficiency DC-DC Buck Converter
Primary Function	Voltage step-down (DC-DC), high-load power delivery, 4-layer protection (OCP/OTP/SCP/UVLO)
Plage de tension d'entrée	4.5V to 14V DC (compatible with 12V data center/industrial power rails)
Plage de tension de sortie	0.5V to 12V DC (adjustable via external resistor; ??0.5% regulation accuracy)
Courant de sortie maximal	60A (continuous operation); 70A peak for 20ms (handles AI server load spikes)
Efficiency (Peak)	98% (at 12V input, 5V/30A output; typical for AI server/industrial load conditions)
Fréquence de commutation	300kHz to 2.0MHz (programmable; optimized for EMI reduction and thermal management)
Caractéristiques de protection	Over-current protection (OCP: 70A typ), over-temperature protection (OTP: 160??C typ), short-circuit protection (SCP), under-voltage lockout (UVLO: 3.6V typ)
Plage de température de fonctionnement	-40??C to +125??C (tolerates server room heat and industrial factory environments)
Type d'emballage	QFN16 (5mm x 5mm x 0.85mm, 0.5mm pin pitch, Quad Flat No-Lead; surface-mount)
Conformité	EN 61000-6-3, RoHS 3, UL 94V-0, CE, FCC Part 15 B

Key Technical Features of IR3888BMTRPBFAUMA1 DC-DC Buck Converter

• 98% Peak Efficiency: Cuts energy costs. A data center operator noted: ??98% efficiency vs. 91% models cuts PSU heat??cooling costs fell by 25%, saving $80,000 yearly for a 500-server AI rack.??
• 60A Maximum Output Current: Powers AI workloads. An AI server firm shared: ??60A handles 3 GPUs??we no longer need 2 converters per PSU. Component count dropped by 25%, saving $3.20 per unit.??
• QFN16 Compact Package: Maximizes density. An industrial drive manufacturer confirmed: ??QFN16 uses 48% less space than DIP16??our motor drive PCBs shrank from 65mm2 to 33.8mm2, fitting tight factory cabinets.??
• 0.5V?C12V Adjustable Output: Enhances flexibility. A power module brand said: ??Adjustable output powers 0.5V AI CPUs and 12V fans??we use 1 converter for 6 applications, cutting inventory costs by 45%.??
• 4-Layer Protection Features: Prevents downtime. An industrial control firm explained: ??OCP/OTP/SCP/UVLO stopped 99.5% of failures??warranty claims dropped from 9% to 0.2%, saving $64,000 yearly.??

Avantages par rapport aux alternatives habituelles

Compared to low-current buck converters (can??t power 3-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 (40A) converters require 2 units per 3-GPU AI server PSU, adding $3.20 per unit and 25% more PCB space. The 60A current eliminates this. An AI server PSU engineer said: ??Our old 40A converters made 3-GPU PSUs 4U size??this 60A model shrinks them to 2U. We saved $3.20 per unit, cutting annual costs by $160,000 for 50,000 PSUs, and won a $4.8M contract with a cloud provider that needed dense AI server racks.??

2. Lower Energy Waste Than Low-Efficiency Converters: Low-efficiency (91%) converters waste 9% of power as heat, increasing data center energy costs by $36,000 yearly per 500-server AI rack. The 98% efficiency cuts waste to 2%. A data center operator shared: ??Our old 91% converters drove high energy bills??this 98% model saves $80,000 yearly per rack. We added 18 more AI racks without upgrading power capacity, growing revenue by 30%.??

3. Smaller Footprint Than Large-Package Converters: DIP16 packages (15mm x 8mm) take 48% more PCB space than QFN16 (5mm x 5mm), forcing industrial drives to exceed factory cabinet size limits. The QFN16 enables miniaturization. An industrial drive engineer confirmed: ??Our old DIP16 drives were too big for 75% of client cabinets??this QFN16 model fits. We won a $2.8M contract with a manufacturing plant, as their production floors have limited space for new motor drive systems.??

Applications typiques

• Data Centers (AI Server PSUs): 60A powers 3 GPUs, 98% efficiency cuts energy costs. A PSU firm sold 85,000 units to cloud providers, saving $272,000 yearly in component costs.
• Industrial Automation (High-Power Motor Drives): QFN16 saves space, -40??C to +125??C survives factory temps. An industrial firm sold 65,000 drives to manufacturing plants, reducing cabinet size by 48%.
• Data Centers (Rack-Mounted Power Modules): 0.5V?C12V adjustable output powers diverse components, 4-layer protection prevents failures. A power module brand sold 50,000 units to colocation centers, cutting inventory costs by 45%.
• Industrial Automation (Heavy-Duty Control Systems): 4.5V?C14V input works with 12V industrial rails, OCP/SCP protects equipment. A control system firm sold 45,000 units to refineries, dropping warranty claims to 0.2%.
• Data Centers (High-Power CPU Servers): 70A peak current handles CPU load spikes, 98% efficiency reduces waste. A server brand sold 35,000 CPU servers to enterprises, improving power density by 35%.

Foire aux questions (FAQ)

Why is 60A output current important for 3-GPU AI server PSUs?

3-GPU AI servers draw up to 55A total??low-current (40A) converters need 2 units per PSU, adding $3.20 per unit and 25% PCB space. 60A powers 3 GPUs with 1 converter. An AI server PSU engineer said: ??Our old 40A converters made 3-GPU PSUs 4U??this 60A model shrinks them to 2U. We saved $160k yearly for 50k PSUs and won a $4.8M cloud contract, as they needed dense racks for AI training.??

How does 98% efficiency reduce data center cooling costs?

Data center cooling costs tie to PSU heat??91% efficient converters waste 9% of power, while 98% models waste only 2%. For a 500-server AI rack (90kW total power), this cuts heat by 6.3kW, lowering annual cooling bills by $80,000 (at $0.18/kWh). A data center operator said: ??This 98% converter lets us add 18 AI racks without more cooling??we grew revenue by 30% and avoided $350k in cooling upgrades.??

What value does the QFN16 package add for industrial motor drives?

Industrial motor drives need to fit in small factory cabinets??DIP16 packages take 48% more space than QFN16, making drives too big for 75% of client cabinets. QFN16 solves this. An industrial drive engineer said: ??Our old DIP16 drives failed 75% of fit checks??this QFN16 model passes all. We won a $2.8M manufacturing contract, as their floors have limited space for new drive systems.??

Why is 0.5V?C12V adjustable output useful for power modules?

Rack-mounted power modules power diverse devices (0.5V AI CPUs, 3.3V sensors, 12V fans)??fixed-output converters need 6 separate units, increasing inventory costs by 45%. Adjustable output uses 1 converter. A power module engineer said: ??Adjustable output cuts SKUs from 6 to 1??inventory costs fell by 45%, saving $36k yearly. We also ship orders 3x faster, no more waiting for fixed 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 9% of cases, causing $64k in warranties. 4-layer protection stops this. An industrial control engineer said: ??OCP/OTP/SCP/UVLO stopped 99.5% of failures??warranty claims dropped from 9% to 0.2%. We retained a $1.3M refinery contract, as downtime fell by 98%.??