A3932SEQ-TTR Allegro MicroSystems, Inc., A3932SEQ-TTR Datasheet
A3932SEQ-TTR
Related parts for A3932SEQ-TTR
A3932SEQ-TTR Summary of contents
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... S 3932 MOSFET CONTROLLER The A3932SEQ is a three-phase MOSFET con trol ler for use with bi- polar brushless dc motors. Its high gate-current drive capability allows driving a wide range of n-channel power MOSFETs and can support motor supply voltages Bootstrapped high-side drive blocks provide the fl ...
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... The initial ‘–TR–’ variant suffi x indicates tape and reel packing. The ‘–T’ fi nal variant suffi x indicates lead (Pb) free composition, with 100% matte tin leadframe plating. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright © 2002, 2003 Allegro MicroSystems, Inc. ...
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ELECTRICAL CHARACTERISTICS: unless otherwise noted 0.1 µ µF; C boot REG Parameter Symbol Supply Current Quiescent Current Reference Voltage Output Voltage ∆V Output Voltage Regulation ∆ VREG(∆VBB) Digital Logic Levels Logic Input Voltage ...
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THREE-PHASE POWER MOSFET CONTROLLER NOTES: 1.Typical Data is for design information only. 2.Negative current is defined as coming out of (sourcing) the specified device terminal. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 ...
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THREE-PHASE POWER MOSFET CONTROLLER — A logic input used to enable the device, internally pulled (+5 V). A RESET = 1 will disable the LCAP device and force all gate drivers coasting the ...
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THREE-PHASE POWER MOSFET CONTROLLER — Open-drain output to indicate fault condition; FAULT = 1 (external pull-up) for any of the following: 1 – invalid HALL input code, 2 – undervoltage condition detected at VREG. 3 – thermal shutdown, or ...
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Logic Inputs DIR ...
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THREE-PHASE POWER MOSFET CONTROLLER To reduce power dissipation in the external MOSFETs, the A3932 control logic turns on the appropriate low-side and high-side driver during the load- current recirculation, PWM-off cycle. Synchronous rectification allows current to flow through the ...
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Internal fixed off-time PWM circuitry is implemented to limit load current to a desired value. When a high-side and low-side MOSFET are turned on, current will increase in the motor winding until it reaches a value given ...
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THREE-PHASE POWER MOSFET CONTROLLER 0.013 0.021 0.546 0.476 LONG SIDE (0.446 0.376 SHORT SIDE) 0.050 BSC NOTES: 1. Lead spacing tolerance is non-cumulative. 2. Exact body and lead configuration at vendor’s option within limits shown 3. Supplied in standard ...
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... The products described here are manufactured under one or more U.S. patents or U.S. patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current ...
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THREE-PHASE POWER MOSFET CONTROLLER * Current is maximum specified test condition, voltage is maximum rating. See specification for sustaining voltage limits or over-current protection voltage limits. Negative current is defined as coming out of (sourcing) the output. † Complete ...