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A3931 Datasheet(PDF) 3 Page - Allegro MicroSystems |
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A3931 Datasheet(HTML) 3 Page - Allegro MicroSystems |
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3 / 21 page  Automotive 3-Phase BLDC Controller and MOSFET Driver A3930 and A3931 3 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com P High-Side Drive Low-Side Drive Blanking Charge Pump Regulator Charge Pump Boostrap Monitor +5V Ref OSC R S Q Diagnostics and Protection –UVLO –TSD –Short to Supply –Short to Ground –Shorted Winding –Low Load P RSENSE H1 H2 H3 V5 V5BD CA SA TACHO VBB RC CT RT RDEAD VDRAIN Phase A of three phases VDSTH REF CSOUT Control Logic LSS AGND CSN Pad CSP RESET TEST FF1 PWM FF2 GHA H1 V5 H2 H3 DIR DIRO GLA RGLA RGHA A B C COAST MODE BRAKE CP1 CP2 VREG VBAT+ CREG CBOOTA CP VREG ESF CV5 QV5 Functional Block Diagram |
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Similar Description - A3931 |
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