BLDC motor controller

iU6391 Mass productioninergy-Drive™

12 / 24V 3-phase FOC controller · N/P pre-driver

Datasheet (PDF) ↓

Key specifications

Supply
7 – 32V
Motor bus
12V / 24V
Motor
3-phase BLDC
Motor control
inergy-Drive™ FOC
Package
QFN 4×4-28L
Status
Mass production

Features

  • P/N (complementary) MOS pre-driver
  • 7V VINT · 5V VDD regulators
  • Programmable open-drain FG output
  • PWM / DC / clock speed input
  • Auto-optimizes across fan load and ±15 % coil tolerance

Reference designs using iU6391

Schematics, layouts, BOMs and Gerber files download directly.

Quick answers

What is iU6391?
iU6391 is a 12 / 24V 3-phase FOC controller (N/P pre-driver) from inergy Technology Inc. (Hsinchu, Taiwan), in a QFN 4×4-28L package.
What are the voltage ratings of iU6391?
iU6391: 7 – 32V; 12V / 24V.
Is there a reference design for iU6391?
Yes — 1 inergy reference design uses iU6391, with schematics, BOMs and Gerber files to download: T284 (12 / 24V server fan · iU6391 EVB).
Is iU6391 in production?
iU6391 is in mass production. Samples are available from inergy.

Need iU6391 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