# inergy AI Datacenter Power & Cooling Solutions

> inergy Technology Inc. (TPEx: 6693, founded 2007, Zhubei City, Taiwan) is a fabless IC design company providing the complete power and cooling chain for AI datacenter infrastructure - from BLDC server-fan and liquid-cooling-pump driver ICs to low-voltage power MOSFETs and SiC high-voltage devices, delivered from IC to validated, production-ready reference design.

inergy's AI datacenter portfolio is built on the iNERGY-Drive(TM) 3-phase high-speed Field-Oriented Control (FOC) platform, paired with in-house power MOSFETs and SiC devices. The company co-designs the full thermal-management stack - driver IC, firmware, reference schematic and power stage - so server, telecom, GPU, energy-storage and hyperscale customers can shorten development time while maximizing efficiency and reliability. Trial production with major server customers in Japan and Taiwan is underway.

Key differentiators: integrated FOC with self-learning across coil tolerance; 48V HV-Buck integration that removes external step-down thermal bottlenecks; N/N MOS pre-driver power stages for higher current and cooler operation; and 4-wire terminal programming that flashes parameters without disassembling the fan or pump.

## Air Cooling - AI Server Fan BLDC Driver ICs

- [Air Cooling Solutions](https://www.inergy.com.tw/ai/ai-air.html): AI server fan driver ICs with iNERGY-Drive FOC for 12V / 24V / 48V rails, covering fans from 4028 up to 20080 (200 mm-class). Includes the full IC lineup, fan-size/voltage application map and production-ready reference designs.

Fan driver IC lineup:
- **iU6398** - 48V 3-phase FOC driver with integrated 100V HV-Buck and 160V N/N pre-driver. The go-to solution for 48V AI server fans, CDU pumps and large EC fans; one scalable platform spans 4028 server fans up to 20080 high-power air movers for datacenter, telecom and BESS cooling. Internal temperature sensor, OVP/OCP/OTP protection, QFN 4x4-32L.
- **iU6395** - NEW 12V-class 3-phase FOC controller and the recommended successor to iU6391 for new high-current 12V designs. N/N MOS pre-driver, dual integrated current-sense amplifiers + op-amps, dedicated 8V gate-drive rail, internal + external thermal sensor, windmill startup, 5-18V operation, QFN 4x4-28L.
- **iU6391** - 12V/24V 3-phase sensorless FOC driver with 40V N/P pre-driver and 5V LDO, covering the wider 7-32V range for established 12V and 24V server fans.
- **iU6291** - single-phase quasi-sine high-speed driver with waveform control and adjustable lead angle; validated to 40,350 RPM on a 12V 4028 fan with measured efficiency gains of +3.3% to +11.6% versus a leading competitor.

Recommended fan-size mapping: 12V 4010/5015 VGA fans and 4028 server fans -> iU6395 / iU6291 / iU6391; 48V 4056/6056/8056 AI server fans and 8038-20080 telecom, BESS and hyperscale fans -> iU6398.

## Liquid Cooling - Pump Driver ICs

- [Liquid Cooling Solutions](https://www.inergy.com.tw/ai/ai-liquid.html): 3-phase FOC pump driver ICs for AI datacenter liquid-cooling loops - facility-level CDUs, rack-level rear-door heat exchangers, and component-level direct-to-chip (DLC) pumps. 48V iU6398 for primary loops; 12V iU6395 and 12V/24V iU6391 for rack and DLC pumps.

## Power Semiconductors

- [Low-Voltage Power MOSFETs](https://www.inergy.com.tw/ai/ai-power.html): high-efficiency low- and medium-voltage power MOSFETs (30V-150V) with low RDS(on) and high current density for AI datacenter power stages, 48V fan power and BLDC motor drive; compact dual-channel options reduce PCB area.
- [High-Voltage SiC Devices](https://www.inergy.com.tw/ai/ai-hv.html): 1200V SiC MOSFETs and 650V/1200V SiC Schottky barrier diodes (SBD) for AI rack PSU and PFC stages - high efficiency, low switching loss, TO-247 and SMD packaging.

## Technology & Engagement

- [iNERGY-Drive FOC Technology](https://www.inergy.com.tw/ai/ai-tech.html): validated FOC system performance - efficiency advantage over 120-degree square wave, auto-optimization across load, +/-15% coil-tolerance self-correction, full-range startup (zero-speed, tailwind, reverse wind) and 4-wire terminal programming.
- [Why inergy](https://www.inergy.com.tw/ai/ai-why.html): full-system partnership model - inergy co-designs IC, firmware, reference schematic and power stage as one validated solution.
- [Contact / Request Reference Design](https://www.inergy.com.tw/ai/ai-contact.html): match the right fan or pump driver IC to your spec and request production-ready reference designs (schematic, BOM, Gerber, C-source firmware) with FAE support.

## About inergy

- Company: inergy Technology Inc. (廣閎科技股份有限公司), fabless IC design, founded 2007, listed on Taipei Exchange (TPEx) under code 6693, based in Zhubei City, Hsinchu County, Taiwan.
- Core products: Power MOSFETs, BLDC motor drivers, cooling-fan driver ICs, SiC devices, BMS and power-management solutions.
- Tagline: "Innovating Energy" - maximizing energy-utilization efficiency for AI infrastructure and a sustainable future.
- Corporate site: https://www.inergy.com.tw/en/