TIDRV8434APWPR
Overview
The DRV8434APWPR is a highly integrated bipolar stepper motor driver designed for 48V systems, capable of delivering up to 2.5A of peak current. It features internal current sensing and smart tune technology to simplify design and improve motor performance without requiring external sense resistors.
Why Choose This Part
Integrated current sensing eliminates the need for bulky and expensive power sense resistors, reducing PCB area. The device supports multiple decay modes and smart tune technology to automatically adjust for optimal current regulation across varying motor speeds and supply voltages.
Applications
Getting Started
Evaluation can be performed using the DRV8434AEVM module which allows for easy tuning of the motor parameters. Engineers should configure the VREF and microstepping pins according to the specific motor torque and resolution requirements defined in the TI datasheet.
DRV8434 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Output I | Function | Interface | Technology | Motor Type - AC, DC | Output Configuration | Stock |
|---|---|---|---|---|---|---|---|
| DRV8434APWPR (this part) | — | — | — | — | — | — | 8,209 |
| DRV8434ARGER | 2.5A | Driver - Fully Int.. | Step/Direction | NMOS | Brushed DC | Half Bridge | 3,827 |
| DRV8434SRGER | 2.5A | Driver - Fully Int.. | SPI, Step/Direction | NMOS | Brushed DC | Half Bridge | 2,094 |
| DRV8434EEVM | — | Motor Controller/D.. | — | — | — | — | 6 |
| DRV8434SEVM | — | Motor Controller/D.. | — | — | — | — | 40 |
| DRV8434AEVM | — | Motor Controller/D.. | — | — | — | — | 61 |
| DRV8434AQWRGERQ1 | 1.8A | Driver - Fully Int.. | PWM, SPI, Step/Dir.. | Power MOSFET | Brushless DC (BLDC) | Half Bridge (4) | 1,371 |
