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IRDM982 Datasheet(PDF) 1 Page - International Rectifier

Part No. IRDM982
Description  Dynamic overcurrent limit per temperature
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
Logo IRF - International Rectifier

IRDM982 Datasheet(HTML) 1 Page - International Rectifier

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IRDM982 Series
1 www.irf.com
© 2015 International Rectifier
April 8, 2015
IRDM982 Series - IRDM982-025MB, IRDM982-035MB
Complete Motion Controller Module for PM AC fan
Features
Complete 250V - 500V 3-phase inverter system in one
chip
No heatsink required
Permanent Magnet Sinusoidal Motors Control by 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
Overtemperature control
Overspeed protection
Rotor lock detection/protection
Full Three Phase Gate Driver
Integrated Bootstrap Diodes
Undervoltage lockout
Typical Applications
Fan motor control
Product Summary
Topology
3 Phase AC
VOFFSET
≤ 500 V for IRDM982-025MB,
IRDM982-035MB
Control
Phase Advancement control
Feedback
DC Bus shunt, 3 Hall sensor
Temperature
sensor
Integrated
Package
12mm x 12mm PQFN
IRDM982-025MB
IRDM982-035MB
High Voltage
Smart IC
VCC
HALL1+
HALL1-
HALL2+
HALL2-
HALL3+
HALL3-
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.


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