DRV10974
Overview
The DRV10974 device is a three-phase sensorless motor driver with integrated power MOSFETs, which can provide continuous drive current up to 1 A (rms). The device is designed for cost-sensitive, low-noise, and low-external-component-count applications.
- 1 Input Voltage Range: 4.4 V to 18 V
- Total Driver H + L rDS(on): 750 mΩ (Typical) at TA = 25°C
- Phase Drive Current: 1-A Continuous (1.5-A Peak)
- 180° Sinusoidal Commutation for Optimal Acoustic Performance
- Resistor-Configurable Lead Angle
- Resistor-Configurable Current Limit
- Soft Start With Resistor-Configurable Acceleration Profile
- Built-In Current Sense to Eliminate External Current-Sense Resistor
- Proprietary Sensorless Control Without Motor Center Tap
- Simple User Interface: - One-Pin Configuration for Start-Up - PWM Input Designates Magnitude of Voltage Applied to Motor - Open-Drain FG Output Provides Speed Feedback - Pin for Forward and Reverse Control