DRV8425ERGER

Overview

The DRV8425ERGER is a bipolar stepper or dual brushed DC motor driver from Texas Instruments, housed in a VQFN-24 package. It supports a supply voltage range of 4.5 V to 33 V with a maximum load voltage rating of 35 V. The device delivers an output current of 2 A per channel and operates at a switching frequency of 360 kHz. It functions within a temperature range of -40°C to +125°C and draws a typical operating supply current of 5 mA.

Feature Summary

• Integrated half-bridge architecture for driving bipolar stepper motors or two independent brushed DC motors.
• Supports multiple step modes including full, half, quarter, eighth, sixteenth, thirty-second, sixty-fourth, and one-twelfth-eightieth step resolution.
• Includes built-in charge pump circuitry to ensure high-side gate drive capability across the entire operating voltage range.

Applications

• Bipolar stepper motor control systems
• Dual brushed DC motor actuation
• Industrial automation equipment
• Office automation devices

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pinout and functional compatibility. Ensure the procurement source provides valid traceability documentation. Confirm that the component meets RoHS standards as specified in the technical data. Check for moisture sensitivity level requirements during storage and handling procedures prior to assembly.

Selection Notes

Select this component when designing circuits requiring precise control of bipolar stepper motors or dual brushed DC loads. It is suitable for applications needing integrated current sensing and thermal shutdown protection. Consider the VQFN-24 package constraints for PCB layout and thermal dissipation requirements relative to the expected load current and ambient temperature conditions.

Part Context

This part belongs to the DRV8425E series of motor drivers manufactured by Texas Instruments. It is categorized under Motor / Motion / Ignition Controllers & Drivers within the PMIC product line. The device is designed to provide efficient and reliable motor control solutions for various embedded systems and industrial applications.

Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same family. Verify electrical specifications such as voltage ratings and current capabilities before substituting with other motor driver ICs.

FAQ

What types of motors can the DRV8425ERGER drive?

It is designed to drive bipolar stepper motors or two independent brushed DC motors.

Does the DRV8425ERGER include overtemperature protection?

Yes, the device features thermal shutdown protection to safeguard against excessive junction temperatures.