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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 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 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 microstepping 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 nSLEEP pin can be used to configure this sleep mode.
For UVLO, overcurrent, short circuit, and overtemperature protection, internal protective features are offered. A nFAULT pin serves as a fault condition indicator.
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