OM9371SF International Rectifier Corp., OM9371SF Datasheet
OM9371SF
Related parts for OM9371SF
OM9371SF Summary of contents
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FULL-FEATURED POWER MODULE FOR DIRECT DRIVE OF 3-PHASE BRUSHLESS DC MOTORS 25 Amp. Push-Pull 3-Phase Brushless DC Motor Controller/Driver Module in a Power Flatpack FEATURES • Fully integrated 3-Phase Brushless DC Motor Control Subsystem includes power stage, non-isolated driver stage, ...
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OM9371 COMMUTATION TRUTH TABLE This table shows the Phase Output state versus the state of the Hall-Effect and Direction Inputs. Please note that the OM9371 Hall-Effect Inputs are Grey-encoded; that is, only one input is allowed to change from one ...
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ABSOLUTE MAXIMUM RATINGS Motor Supply Voltage ...
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ELECTRICAL CHARACTERISTICS PARAMETER Power Output Section Zero Gate Voltage Drain Current Drain-to-Source On-Resistance Rds(on) Gate Body Leakage Current Diode Forward Voltage Diode Reverse Recovery Time Control Section Control Supply Current Control Turn-On Threshold Driver Turn-On Threshold Reference Section Output Voltage ...
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OM9371 Parameter Symbol Soft-Start Section Soft-Start Pull-Up Current Soft-Start Discharge Current Soft-Start Reset Threshold Voltage Tachometer/Brake Section Tachometer Output High Level Voh Tachometer Output Low Level Tachometer On-Time Tachometer On-Time Variation Brake/Tach Timing Input Current Brake/Tach Timing Threshold Voltage Brake/Tach ...
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PIN DESCRIPTIONS / FUNCTIONALITY VCC (Pin 1) -- The Vcc Supply input provides bias voltage to all of the internal control electronics within the OM9371, and should be connected to a nominal +15Vdc power source. High frequency bypass capacitors (10uF ...
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TACHOMETER OUTPUT (Pin 15) -- This output provides a fixed width 5V pulse when any Hall-effect Input ( changes state. The pulse width of the Tachometer Output is set internally in the OM9371 to 113 s (nominal). ...
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SPEED INPUT (Pin 23) - This pin is connected to the “+” input of a voltage comparator, whose threshold is 0.25Vdc. As long as the Speed Input is less than 0.25V, the direction latch is transparent. When the Speed Input ...
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OM9371 Test/Inspection Precap Visual Inspection Temperature Cycle Mechanical Shock Hermeticity (Fine and Gross Leak) Pre Burn-In Electrical Burn-In (160 hours) Final Electrical Test Group A Testing Final Visual Inspection APPLICATIONS Start-Up Conditions The OM9371 3-phase brushless controller/driver is designed to ...
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MECHANICAL OUTLINE .125 3.100 2.850 2.50 . .100 Tol. Non-Cumulative .385 MAX. .020 DIA. .125 TYP. Fig 1: Mechanical Outline F-43 Hermetic Package Fig 2: Mechanical Outline MP3-43L Plastic Ring Frame Package 2.100 1.860 .128 DIA. 4 HOLES ...
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COMMAND 1k 1.50k FROM MOTOR HALL SENSORS 4700pF Fig 4: Implementation of a Voltage-Mode Controller Fig 3: Optional Start-Up Circuit .1uF + 1 Vcc 2 EA1- 3 EA2+ 4 EA1+ 5 VREF 6 EA2- ...
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CURRENT_COMMAND +15V 10uF 3.24k 35.6k 1k OFFSET 1800pF 3.24k .26uF 43k FROM MOTOR HALL SENSORS 4700pF Fig 5: Implementation of a Current-Mode Controller 205 Crawford Street, Leominster, MA 01453 USA (978) 534-5776 FAX (978) 537-4246 .1uF + ...