The ASLB-T is a microstepping motor driver with built-in translator in 24 pin SOIC package. It is designed to operate bipolar stepper motors in full, half. PMIC – Motor Drivers, Controllers. Manufacturer, Allegro MicroSystems, LLC. Series, -. Packaging? Tube? Part Status, Obsolete. Motor Type – Stepper, Bipolar. ASLPTR-T – Allegro MicroSystems, LLC | ND ยท ASLPTR-T; Allegro MicroSystems, LLC; IC MOTOR DRIVER PAR 24TSSOP; Unit Price.

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There are no news items available for this product. This needs to be a 0V to 5V or 0V to 3. This current-decay control scheme results in reduced audible motor noise, increased step accuracy, and reduced power dissipation. This one is complicated – please see the datasheet for more information.

If this is not your local representative, find your local sales rep here. They are all connected together inside the board. Each rising edge of this signal will cause one step or microstep to be taken.


There are no phase-sequence tables, high-frequency control lines, or complex interfaces to program. A and B are the two coils of the motor, and can swap the two wires for a given coil it will just reverse the direction of the motor.

This normally high input signal will minimize power consumption by disabling internal circuitry and the output drivers when pulled low. This should be a 6V to 30V, 2A or more power supply that is clean low ripple. These digital inputs control the microstepping mode.

The ASLB includes a fixed off-time current regulator that has the ability to operate in slow, fast, or mixed current-decay modes. Espaces de noms Page Discussion.

Allegro MicroSystems – A Microstepping Driver with Translator

The tabs are at ground potential and need no insulation. Special power-up sequencing is not required. The translator is the key to the easy implementation of the ASLB. Ce site contient essentiellement des notes de travail. We’ll notify you when there are updates to this product. Connect the negative side of your power supply, as well as from any other boards you are using to drive the Easy Driver to one or more of the GND pins. See below diagrams for how to hook these up.


Menu de navigation Outils personnels Se connecter. Connect this to the positive power supply lead. By simply inputting one pulse on the STEP input the motor will take one step full, half, quarter, or eighth depending on two logic inputs.

A3967: Microstepping Driver with Translator

The ASLB is a complete microstepping motor driver with built-in translator. Click the image to view larger. Affichages Lire Voir le texte source Historique. We default it to slow decay mode, but you can override with your own voltage on this pin.

This is the power input to the Easy Driver. Internal circuit protection includes thermal shutdown with hysteresis, under-voltage lockout UVLO and crossover-current protection. This normally high input signal will reset the internal translator and disable all output drivers when pulled low.