NSD8389-Q1 is an automotive-grade high-integration bipolar stepper motor driver. It features 1/256 programmable microstepping mode, 8 decay mode, integrated PWM frequency spread spectrum, slew rate,dead time, sensorless stall detection, SPI, temperature alarm and shutdown to support for flexible and reliable stepper motor control.
NSD8389-Q1 is specially designed for stepper motor drivers of electronic expansion valves, headlamp actuators, HUD adjustment motors and hidden air vents, with excellent performance and stability.
Product Features
- Supply: 4.5v ~ 36v; AMR 40V
- Rdson & Current: 900mΩ; 1.5-A full-scale
- Programmable micro-stepping up to 1/256 usteps
- 8 Decay Modes: smart tune, slow, and mixed decay options
- STEP/DIR input & SPI controllable Hold Mode
- Phase Counter for high precision position control
- Configurable OPL_FILT&TBLANK, default DRV_DIS for A version
- Sensorless Stall detection (bemf, zero crossing)
- Slew rate & dead time & spread spectrum configurable
- 16-bit SPI Interface with daisy chain mode
- Sleep mode with ultra low consumption
- Operating temperature: Tj=-40°C - 150°C
- AEC-Q100 Grade1
Application
- Headlight(ADB/AFS)
- Expansion Valve
- HUD/DMS
- Hidden Vent
- AGS
Functional Block Diagram
For more product information, please contact us.
