A3951SW DATASHEET PDF

ASW Datasheet PDF Download -, ASW data sheet. Data Sheet. † inductive loads, the ASB and ASW are capable of continuous The ASW, for higher package power dissipation. ASW Dmos Full-bridge PWM Motor Driver NC REF/BRAKE RC GROUND LOGIC SUPPLY PHASE Details, datasheet, quote on part number: ASW.

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The PWM cycle repeats, maintaining the load current at the desired value see figure 2. Care must be taken to ensure the capacitance is sufficient to absorb the energy without exceeding the voltage rating of any devices datasjeet to the motor supply. In forward or reverse mode the current-control circuitry limits the load current.

I 50 V Output Voltage Rating. A user-selectable blanking window prevents false triggering of the PWM current control circuitry. If so, the PWM cycle will repeat, limiting the load current to the desired value.

Datasheet 4 Download Report. Lead spacing tolerance is non-cumulative.

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PSoC Family Datasheet When the device is enabled, the internal current-control circuitry will be active and can be used to limit the load current in the normal internal PWM slow-decay or two-quadrant mode of operation. In some instances, the competitive device is obsolete; in many instances, the suggested Allegro device features improved performance or specifications.

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After the crossover delay, CT is charged by an internal current source of approximately 1 mA. However, Allegro MicroSystems, Inc. Internal circuit protection includes thermal shutdown with hysteresis, transient suppression diodes, and crossover-current protection.

Designed for bidirectional pulse-width modulated current control of. These conditions can be tolerated but should be avoided. The brake function can be safely used to dynamically brake brush dc motors. The value of toff can a3951sww chosen for optimization of these parameters.

This should be taken into account when determining the impedance of the external circuit that sets the reference voltage value.

The ASW, for higher package power dissipation requirements, is supplied in a pin single in-line power-tab package. Commercial part number is shown for reference only. Each driver is tested separately. Similarly, when a transition daasheet the PHASE input occurs, CT is discharged to near ground during the crossover delay time the crossover delay time is present to prevent simultaneous conduction of the source and sink drivers.

Before placing an order, the user is cautioned to verify that the information being relied upon is current. The one shot time, toff fixed off timeis determined by the selection of an external resistor RT and capacitor CT connected in parallel from the RC terminal to ground.

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Output current rating may be limited by duty cycle. For more information regarding load current regulation, see below.

Lead thickness is measured at seating plane or below. Datasheet magicolor en 4 Documents.

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Dwtasheet information included herein is believed to be accurate and reliable. The ASB is supplied in a pin dual in-line plastic package with copper heat-sink contact tabs.

Lead gauge plane is 0. A user-selectable blanking window prevents false triggering of the PWM current control circuitry.

A3951SW Datasheet

Leads indicated are internally one piece. Unity document suite datasheet 4 Documents. Competitive part numbers are shown in strict alpha-numerical order; letters are listed before numbers LX precedes L and CS is listed before CS The load inductance causes the current to recirculate through the source driver and flyback diode two-quadrant operation or slow decay.