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International Rectifier Electronic Components Datasheet

OM9373 Datasheet

FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTOR

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OM9373 pdf
FULL-FEATURED POWER MODULE
FOR DIRECT DRIVE OF
3-PHASE BRUSHLESS DC MOTOR
F-43 / MP3-43L Packages
PD-94705
OM9373
OM9373SF
OM9373SP
25A Push-Pull
3-Phase Brushless DC Motor
Controller / Driver Module
in a Power Flatpack
F-43 MP3-43L
Description:
The OM9373 is one of a series of versatile, integrated
three-phase brushless DC motor controller/driver
subsystems housed in a 43 pin power flatpack. The
OM9373 is best used as a two quadrant speed
controller for controlling/driving fans, pumps, and
motors in applications which require small size.
Many integral control features provide the user much
flexibility in adapting the OM9373 to specific system
requirements.
The small size of the complete subsystem is ideal for
aerospace, military, and high-end industrial applications.
Two package types provide a broad range of cost
and screening options to fit any application.
Features:
n Fully Integrated 3-Phase Brushless DC Motor
Control Subsystem includes Power Stage,
Non-Isolated Driver Stage and Controller Stage
n MOSFET Output Stage
n 25A Average Phase Current with 80V
Maximum Bus Voltage
n Internal Precision Current Sense Resistor
(6W Max. Dissipation)
n Speed and Direction Control of Motor
n Brake Input for Dynamic Braking of Motor
n Overvoltage/Coast Input for Shutdown of
All Power Switches
n Soft Start for Safe Motor Starting
n Unique Hermetic or Plastic Ring Frame Power
Flatpacks
Hermetic (3.10” X 2.10” X 0.385”)
Plastic Ring Frame (4.13” X 2.00” X 0.49”)
Applications:
n Fans and Pumps
n Hoists
n Actuator Systems
www.irf.com
1
11/21/03


International Rectifier Electronic Components Datasheet

OM9373 Datasheet

FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTOR

No Preview Available !

OM9373 pdf
OM9373
Absolute Maximum Ratings
Parameter
Motor Supply Voltage
Peak Motor Supply Voltage
Average Phase Output Current
Peak Phase Output Current
Control Supply Voltage
Logic Input Voltage (Note 1)
Reference Source Current
Error Amplifier Input Voltage Range
Error Amplifier Output Current
Spare Amplifier Input Voltage
Spare Amplifier Output Current
Current Sense Amplifier Input Voltage
Current Sense Amplifier Output Current
Tachometer Output Current
PWM Input Voltage
Operating Junction Temperature
Storage Temperature Range
Lead Soldering Temperature, 10s maximum, 0.125" from case
Package Isolation Voltage
Power Switch Junction-to-Case Thermal Resistance
Symbol
Vm
Vm pk
Io
Iom
Vcc
( EA1+ / EA1-)
( EA2+ / EA2-)
(ISH / ISL)
RθJC
Value
80
100
25
50
+18
-0.3 to +8.0
-30
-0.3 to +10
±8
-0.3 to +10
±8
-0.3 to +6.0
±10
-0.3 to +6.0
-55 to 150
-65 to 150
300
600
0.35
Units
V
A*
Apeak **
V
mA
V
mA
V
mA
V
mA
V
°C
Vrms
°C/W
* TCASE = 25°C
* * TCASE = 25°C, Maximum pulse width = 10 mS
Recommended Operating Conditions ( Tcase = 25°C )
Parameter
Symbol
Motor Power Supply Voltage
Vm
Average Phase Output Current
With Internal Current Sense Resistor ( Note2 )
Each Power Switch
Control Supply Voltage
Logic Low Input Voltage (maximum)
Logic High Input Voltage (minimum)
Io
Vcc
Vil
Vih
Value
+48
25
15+10%
0.8
2.0
Units
V
A
V
Note 1: Logic Inputs: Direction, Hall Inputs (H1--- H3) Overvoltage - Coast, Speed, and Quad Select.
Note 2: The internal 5mcurrent sense resistor is limited to 6 Wdc power disipation. Other values are avaliable.
Please contact International Rectifier for more information.
2 www.irf.com


Part Number OM9373
Description FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTOR
Maker International Rectifier
Total Page 14 Pages
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