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High-side switching regulators or motor drive circuits can both use full-bridge Stepper driver components.
The four transistors in this system are switched on and off by the full-bridge driver, which amplifies a PWM signal. Only two transistors are active at any given moment.
The Global Full-Bridge Stepper Drivers market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
For applications involving cameras, printers, projectors, and other automated equipment, the DRV8846 from Texas instruments offers a highly integrated stepper motor driver.
The system is designed to operate a bipolar stepper motor and includes two H-bridges and a micro stepping indexer.
Each H-bridge driver has an output block made up of N- and P-channel power MOSFETs that are set up as full H-bridges to drive the motor windings.
When properly heatsinked and operating at TA = 25°C, the DRV8846 can drive an output current of up to 1.4 A at full scale.
Control circuits can be easily interfaced with using a straightforward STEP/DIR interface. The motor can be configured using pins in full-step or 1/32-step modes. Smart tuning, slow decay, fast decay, and mixed decay can all be used with the adjustable decay mode.
You can also choose the PWM current chopping off-time. Internal circuitry is disabled in a low-power sleep mode to achieve extremely low quiescent current flow. An exclusive n SLEEP pin can be used to configure this sleep mode.
For UVLO, overcurrent, short circuit, and overtemperature protection, internal protective features are offered. A n FAULT pin serves as a fault condition indicator.
