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Product Detailed Parameters
- Description：35V, 1A BIPOLAR STEPPER MOTOR DR
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushless DC (BLDC), Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (2)
- Interface：Step/Direction
- Technology：Power MOSFET
- Step Resolution：>256 Microsteps
- Applications：General Purpose
- Current - Output：1A
- Voltage - Supply：4.2V ~ 33V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-WFQFN Exposed Pad
- Supplier Device Package：16-WQFN (3x3)
- Grade：-
- Qualification：-
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Overview
The DRV8428RTER is a bipolar stepper or dual brushed DC motor driver manufactured by Texas Instruments. It operates within a supply voltage range of 4.2 V to 33 V and delivers a maximum output current of 1 A per half-bridge. The device features integrated current sensing for precise control. It supports multiple control interfaces, including PWM and SPI, allowing for flexible integration into motion control systems. The component is housed in a 16-pin WQFN package with an exposed thermal pad, designed for surface-mount installation. It functions reliably across an operating temperature range from -40°C to +125°C.
Feature Summary
- Integrated current sensing capability for accurate motor current monitoring and protection
- Supports both PWM and SPI control interfaces for versatile system integration
- Designed for driving bipolar stepper motors or two independent brushed DC motors
Applications
- Bipolar stepper motor control systems
- Dual brushed DC motor drive applications
- Industrial automation equipment requiring precise motion control
Procurement Notes
Verify the specific suffix 'ERTER' against official Texas Instruments documentation to confirm pinout, thermal characteristics, and RoHS compliance status. Ensure the ordering part number matches the exact package variant required for your PCB layout. Cross-reference datasheet revision dates to validate interface compatibility and electrical specifications before finalizing procurement.
Selection Notes
Select this component when designing systems requiring integrated current sensing and flexible digital control via SPI alongside standard PWM inputs. It is suitable for applications needing a single-chip solution for two brushed DC motors or one bipolar stepper motor within a compact WQFN footprint. Consider the 33 V maximum supply voltage and 1 A continuous current rating relative to your motor load requirements.
Part Context
The DRV8428 belongs to the DRV8428E family of motor drivers from Texas Instruments. This series is engineered for low-voltage motor control applications, offering high efficiency and robust protection features. The RTER suffix indicates a specific tape-and-reel packaging configuration intended for automated surface-mount assembly processes.
Replacement Considerations
Consult the Texas Instruments DRV8428 datasheet for officially listed recommended replacements or pin-compatible alternatives. Verify that any substitute component maintains identical control interface logic and current handling capabilities.
