BLDC motor controller

iU6398 Mass productioninergy-Drive™

48V 3-phase FOC controller · 100V HV buck

Datasheet (PDF) ↓

Key specifications

Supply
20 – 80V VIN (120V max)
Motor bus
48V
Motor
3-phase BLDC
Motor control
inergy-Drive™ FOC
Package
QFN 4×4-32L
Status
Mass production

Features

  • Internal 100V buck controller — no external step-down
  • N/N pre-driver, 160V max
  • Internal temperature sensor (OTP)
  • PWM duty / DC / clock speed input
  • 4-wire terminal programming (VDC/PWM/FG/GND)

Reference designs using iU6398

Schematics, layouts, BOMs and Gerber files download directly.

Quick answers

What is iU6398?
iU6398 is a 48V 3-phase FOC controller (100V HV buck) from inergy Technology Inc. (Hsinchu, Taiwan), in a QFN 4×4-32L package.
What are the voltage ratings of iU6398?
iU6398: 20 – 80V VIN (120V max); 48V.
Is there a reference design for iU6398?
Yes — 1 inergy reference design uses iU6398, with schematics, BOMs and Gerber files to download: T364 (48V AI server fan · iU6398 EVB).
Is iU6398 in production?
iU6398 is in mass production. Samples are available from inergy.

Need iU6398 samples or design help?

Tell us the application, bus voltage and power. We will reply with a part list, the closest reference design and sample availability.

Remote motor fine-tune

inergy Technology Inc. · mkt@inergy.com.tw · www.inergy.com.tw