PD19082016

IRDM983-025MB, IRDM983-035MB

Complete Motion Controller Module for PM AC fan

Features



Complete 500V 3-phase inverter system in one

chip



No heat-sink required



Permanent Magnet Sinusoidal Motors Control

by two Hall sensors



Selectable 4 or 12 pulse output per revolution

1)



High efficiency control by quadratic phase

advance curve



Internal clock based on external RC



15V single power supply



3.3V Integrated Voltage Regulator



Dynamic overcurrent limit per temperature



Over-temperature control



Over-speed protection



Rotor lock detection/protection



Full Three Phase Gate Driver



Integrated Bootstrap Diodes



Under-voltage lockout

Typical Applications



Fan motor control

Product Summary

Topology

3 Phase AC

≤ 500 V for IRDM983-

025MB, IRDM983-035MB

Control

Phase Advancement control

Feedback

DC Bus shunt, 2 Hall sensor

Temperature

sensor

Integrated

Package

12mm x 12mm PQFN

IRDM983-025MB

IRDM983-035MB

High Voltage

Smart IC

VCC

HALL1+

HALL1-

HALL2+

HALL2-

VSP

VBU

VBV

VBW

VBUS

VSS

U

V

W

PG

COM

EFF

XTAL

CLKIN

VDD

DCBUS+

DCBUS-

PG

VSP

Hall Sensor

15V

PGSEL

DIR

DIR

1) When used with 8 poles motor. In general it is 1 pulse / 3 pulses per electrical revolution.