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ALLEGRO MICROSYSTEMS A3987SLPTR-T
IC Motor Driver, DMOS, 3V to 5.5V supply, 50V/1.5A/2 Outputs, TSSOP-24
- Manufacturer:
- ALLEGRO MICROSYSTEMS ALLEGRO MICROSYSTEMS
- Manufacturer Part No:
- A3987SLPTR-T
- Order Code:
- 2112597
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- Technical Datasheet:
- A3987SLPTR-T Datasheet
- ECAD / MCAD
-
Product Overview
The A3987SLPTR-T is a DMOS complete micro-stepping Motor Driver with a built-in translator for easy operation. It is designed to operate bipolar stepper motors in full, half, quarter and sixteenth step modes, with output drive capability of 50V and ±1.5A. The A3987 includes a fixed off-time current regulator, which has the ability to operate in slow or mixed decay modes. The translator is the key to the easy implementation of the A3987. Simply inputting one pulse on the step input drives the motor to take one micro-step. There are no phase sequence tables, high frequency control lines or complex interfaces to program. The A3987 interface is an ideal fit for applications where a complex microprocessor is unavailable or over-burdened. The A3987 chopping control automatically selects the current decay mode (slow or mixed). When a STEP signal occurs, the translator determines if that step results in a higher or lower current in each of the motor phases.
- Low RDS(on) outputs
- Short-to-ground protection
- Shorted load protection
- Automatic current decay mode detection/selection
- Mixed and slow current decay modes
- Synchronous rectification for low power dissipation
- Internal UVLO and thermal shutdown circuitry
- Crossover-current protection
- Synchronous rectification
- Mixed decay operation
Applications
Motor Drive & Control
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Product Information
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- :
- Microstepping Motor Driver
- :
- Stepper
- :
- 2Outputs
- :
- 1.5A
- :
- 50V
- :
- TSSOP
- :
- 24Pins
- :
- 3V
- :
- 5.5V
- :
- -20°C
- :
- 85°C
- :
- -
- :
- -
- :
- MSL 2 - 1 year
Technical Documents (2)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 6/30/25
17,535 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥899.75
(
¥989.73
Inc. JCT)
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| Quantity | Price (Incl JCT) | Your Price (Incl JCT) |
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| 1+ | ¥899.75 (¥989.73) | ( ) |
| 10+ | ¥598.79 (¥658.67) | ( ) |
| 25+ | ¥568.49 (¥625.34) | ( ) |
| 50+ | ¥538.18 (¥592.00) | ( ) |
| 100+ | ¥532.81 (¥586.09) | ( ) |
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