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OM9371

Features: • Fully integrated 3-Phase Brushless DC Motor Control Subsystem includes power stage, non-isolated driver stage, and controller stage• MOSFET Output Stage• 25A Average Phase Current with 48V Maximum Bus Voltage• Internal Precision Current Sense Resistor (6W max. d...

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SeekIC No. : 004437705 Detail

OM9371: Features: • Fully integrated 3-Phase Brushless DC Motor Control Subsystem includes power stage, non-isolated driver stage, and controller stage• MOSFET Output Stage• 25A Average Ph...

OM9371 Data Sheet

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Part Number:
OM9371
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Fully integrated 3-Phase Brushless DC Motor Control Subsystem includes power stage, non-isolated driver stage, and controller stage
• MOSFET Output Stage
• 25A Average Phase Current with 48V Maximum Bus Voltage
• Internal Precision Current Sense Resistor (6W max. dissipation)
• Speed and Direction Control of Motor
• Brake Input for Dynamic Braking of Motor
• Overvoltage/Coast Input for Shutdown of All Power Switches
• Soft Start for Safe Motor Starting
• 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")


Application

• Fans and Pumps
• Hoists
• Actuator Systems


Specifications

Motor Supply Voltage, Vm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 48 Vdc
Peak Motor Supply Voltage Vm pK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Vdc
Average Phase Output Current, Io . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Amperes DC*
Peak Phase Output Current, Iom . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Amperes Peak**
Control Supply Voltage, Vcc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +18 V
Logic Input Voltage (Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  .-0.3 V to +8 V
Reference Source Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . -30 mAdc
Error Amplifier Input Voltage Range, (EA1+/EA1-) . . . . . . . . . . . . . . . .   -0.3 Vdc to 10 Vdc
Error Amplifier Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ±8 mAdc
Spare Amplifier Input Voltage (EA2+/EA2-). . . . . . . . . . . . . . . . . . . . . . . -0.3 Vdc to 10 Vdc
Spare Amplifier Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8 mAdc
Current Sense Amplifier Input Voltage (ISH/ISL) . . . . . . . . . . . . . . . . . . .  -0.3 V to +6 Vdc
Current Sense Amplifier Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . ±10 mAdc
Tachometer Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ±10 mAdc
PWM Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 0.3 Vdc to +6 Vdc
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  -55°C to +150° C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . -65° C to +150° C
Power Switch Junction-to-Case Thermal Resistance, Rjc. . . . . . . . . . . . . . . . . . 0.55°C/W
Package Isolation Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 600 Vrms
Lead Soldering Temperature . . . . . . . . .. 300°C, 10 seconds maximum, 0.125" from case
* Tcase = 25° C
** Tcase = 25° C, Maximum pulse width = 10mSec


Description

The OM9371 is one of a series of versatile, integrated three-phase brushless DC motor controller/driver subsystems housed in a 43 pin power flatpack. The OM9371 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 OM9371 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.




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