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25,829 pcs
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25829 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The DRV8821 from Texas Instruments is a dual microstepping-capable stepper motor controller and driver solution designed for applications such as printers, scanners, and office automation equipment. It features two independent stepper motor driver circuits, each with four H-bridge drivers and microstepping-capable indexer logic.
Key electrical specifications include an operating supply voltage range of 8V to 32V and a peak output current of 1.5A per winding. The device supports up to 1/8 microstepping levels and offers selectable slow or mixed decay modes for current control. It also includes a built-in 3.3V reference and an internal charge pump for gate drive.
For protection, the DRV8821 is fully protected against undervoltage, overtemperature, and overcurrent conditions. It is packaged in a thermally-enhanced, surface-mount HTSSOP package with 48 pins, measuring 6.10 mm x 12.50 mm.
The simple step/direction interface allows for easy integration with controller circuits. This driver is suitable for robotics, factory automation, and gaming machines.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The DRV8821 operates from 8-V to 32-V.
The peak output current is 1.5 A per winding.
The DRV8821 supports up to 8 microstepping levels.
The operating temperature range is -40°C to 85°C.
The DRV8821 is available in a 48-pin HTSSOP surface mount package.