A3989SEVTR-T Allegro Microsystems Inc, A3989SEVTR-T Datasheet
A3989SEVTR-T
Specifications of A3989SEVTR-T
Related parts for A3989SEVTR-T
A3989SEVTR-T Summary of contents
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Bipolar Stepper and High Current DC Motor Driver Features and Benefits ▪ output rating ▪ 2 motor driver ▪ 1.2 A bipolar stepper driver ▪ Synchronous rectification ▪ Internal undervoltage lockout (UVLO) ▪ Thermal shutdown circuitry ...
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... A3989 Bipolar Stepper and High Current DC Motor Driver Selection Guide Part Number A3989SEVTR-T 1500 pieces per reel Absolute Maximum Ratings Characteristic Symbol Load Supply Voltage V BB Logic Supply Voltage Output Current I OUT Logic Input Voltage Range V IN SENSEx Pin Voltage V SENSEx ...
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A3989 Bipolar Stepper and High Current DC Motor Driver VDD OSC PHASE1 I01 I11 PHASE2 I02 I12 Sense1 VREF1 3 VREF2 3 Sense 2 PHASE3 ENABLE MODE Sense 3 VREF3 3 Functional Block Diagram 0.1 μF 0.1 μ ...
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A3989 Bipolar Stepper and High Current DC Motor Driver 1 ELECTRICAL CHARACTERISTICS , valid at T Characteristics Load Supply Voltage Range Logic Supply Voltage Range VDD Supply Current Output On Resistance (dc motor driver) Output On Resistance (stepper motor driver) ...
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A3989 Bipolar Stepper and High Current DC Motor Driver The A3989 is designed to operate one Device Operation dc motor and one bipolar stepper motor. The currents in each of the full bridges, all N-channel DMOS, are regulated with fixed ...
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A3989 Bipolar Stepper and High Current DC Motor Driver is detected, synchronous rectification is turned off to prevent reversal of the load current. The stepper driver operates in Mixed Decay Operation mixed decay mode. Referring to figure 2, as the ...
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A3989 Bipolar Stepper and High Current DC Motor Driver 100.0 66.7 Phase 1 0 (%) –66.7 –100.0 100.0 66.7 Phase 2 0 (%) –66.7 –100.0 Full step 2 phase Modified full step 2 phase Figure 3. Step Sequencing for Full-Step ...
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A3989 Bipolar Stepper and High Current DC Motor Driver 100.0 66.7 33.3 Phase 1 0 (%) –33.3 –66.7 –100.0 100.0 66.7 33.3 Phase 2 0 (%) –33.3 –66.7 –100.0 Step Sequencing Settings Full 1 ...
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A3989 Bipolar Stepper and High Current DC Motor Driver Logic Timing Diagram, DC Driver ENB PH MODE V BB OUTA OUTB OUT 0 A OutA A Charge Pump and VREG Power-up Delay ( ...
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A3989 Bipolar Stepper and High Current DC Motor Driver For applications that require either dual Motor Configurations dc or dual stepper motors, Allegro offers the A3988 and A3995. Both devices are offered pin QFN package. Please refer ...
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A3989 Bipolar Stepper and High Current DC Motor Driver Terminal List Table Number ...
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A3989 Bipolar Stepper and High Current DC Motor Driver 6.00 ±0. 37X 0.08 C +0.05 0.25 –0.07 0.55 ±0. Copyright ©2006-2008, Allegro MicroSystems, Inc. The products described here are manufactured under one ...