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Product Detailed Parameters
- Description：35-V, 1.5-A BIPOLAR STEPPER OR D
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：Bipolar
- Motor Type - AC, DC：Brushed DC
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Half Bridge (2)
- Interface：PWM
- Technology：Power MOSFET
- Step Resolution：-
- Applications：General Purpose
- Current - Output：1.5A
- Voltage - Supply：0V ~ 5.5V
- Voltage - Load：4.5V ~ 33V
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-PowerTSSOP (0.173", 4.40mm Width)
- Supplier Device Package：28-HTSSOP
- Grade：-
- Qualification：-
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Overview
The DRV8426PPWPR is a stepper motor controller and driver manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 33 V and delivers an output current of 1.5 A. The device supports bipolar stepper motors or dual brushed DC motors. It features a 28-pin HTSSOP package and functions across a temperature range of -40°C to +125°C. The quiescent supply current is 5 mA, and it includes integrated protection mechanisms for thermal shutdown and overcurrent conditions.
Feature Summary
- Integrated microstepping capability with selectable resolutions
- Built-in diagnostic feedback via fault pin
- Supports multiple drive modes including full, half, quarter, eighth, sixteenth, thirty-second, sixty-fourth, and one-twelfth-eighty-sixth step
Applications
- Bipolar stepper motor control systems
- Dual brushed DC motor drives
- Industrial automation equipment
- Medical devices requiring precise motion control
Procurement Notes
Verify the specific suffix PPWPR against the official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with your system's voltage and current requirements before ordering. Check for moisture sensitivity levels and recommended soldering profiles during assembly planning.
Selection Notes
Select this component when designing circuits requiring integrated microstepping and high current drive in a compact form factor. Consider the HTSSOP-28 package constraints for thermal management. Evaluate the need for external components based on the desired microstepping resolution and load characteristics.
Part Context
This part belongs to the DRV8426E series from Texas Instruments, designed for efficient motor control applications. It integrates logic, drivers, and protection features into a single chip, simplifying design complexity compared to discrete solutions. The series targets applications needing reliable performance in automotive and industrial environments.
FAQ
What microstepping resolutions are supported?
The DRV8426PPWPR supports full, half, quarter, eighth, sixteenth, thirty-second, sixty-fourth, and one-twelfth-eighty-sixth step microstepping.
How does the device handle overcurrent protection?
It includes adjustable current limiting and thermal shutdown protection to safeguard the motor and driver IC under fault conditions.
