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DRV8846 Bipolar Stepper Motor Driver
TI's 1.4 A highly-integrated motor driver with on-chip 1/32 microstepping indexer
Texas Instruments' DRV8846 provides a highly-integrated stepper motor driver for cameras, printers, projectors, and other automated equipment applications. The device has two H-bridges and a microstepping indexer and is intended to drive a bipolar stepper motor. The output block of each H-bridge driver consists of N- and P-channel power MOSFETs configured as full H-bridges to drive the motor windings. The DRV8846 is capable of driving up to 1 A full scale output current (with proper heatsinking and TA = 25°C).
A simple STEP/DIR interface allows easy interfacing to controller circuits. Pins allow configuration of the motor in full-step up to 1/32-step modes. Decay mode is configurable so that adaptive, slow, fast, and mixed decay can be used. The PWM current chopping off-time can also be selected. A low-power sleep mode is provided which shuts down internal circuitry to achieve very-low quiescent current draw. This sleep mode can be set using a dedicated nSLEEP pin.
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DRV8846 Bipolar Sepper Motor Driver
| Image | Manufacturer Part Number | Description | Function | Technology | Step Resolution | Available Quantity | Price | ||
|---|---|---|---|---|---|---|---|---|---|
 |  | DRV8846RGET | IC MOTOR DRIVER PAR 24VQFN | Driver - Fully Integrated, Control and Power Stage | Power MOSFET | 1 ~ 1/32 | 57 - Immediate | $2.93 | View Details |
Evaluation Board
| Image | Manufacturer Part Number | Description | Embedded | Primary Attributes | Secondary Attributes | Available Quantity | Price | ||
|---|---|---|---|---|---|---|---|---|---|
|  | DRV8846EVM | EVAL BOARD FOR DRV8846 | Yes, MCU, 16-Bit | Dual Full-Bridge (H-Bridge) Driver | Graphical User Interface (GUI) | 1 - Immediate | $50.60 | View Details |
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