Texas Instruments DRV10983 三相无传感器无刷直流电机驱动器

德州仪器 DRV10983 三相无传感器 BLDC 电机驱动器是一款三相无传感器电机驱动器，集成了电源 MOSFET，能提供高达 2A 的连续驱动电流。该器件专门设计用于成本敏感型、低噪声/低外部元件数应用。DRV10983 使用了一种获得专利的无传感器控制方案来提供连续正弦驱动，大幅减少了纯音，这通常是通过换相才实现的。该器件接口设计成简单灵活型。该电机可直接通过 PWM、模拟、或 I²C 输入进行控制。电机速度反馈可通过 FG 引脚、或 I²C 得到。

特性

Input Voltage Range: 8 to 30V
Total Driver H + L R_DSon: 250mΩ
Drive Current: 2A Continuous (3A Peak)
Sensorless Proprietary Back Electromotive Force (BEMF) Control Scheme
Continuous Sinusoidal 180° Commutation
No External Sense Resistor Required
For Flexibility User may Include External Sense Resistor to Monitor Power Delivered to the Motor
Flexible User Interface Options
- I²C Interface: Access Registers for Command and Feedback
- Dedicated SPEED Pin: Accepts Either Analog or PWM Input
- Dedicated FG Pin: Provides TACH Feedback
- Spin Up Profile can be Customized With EEPROM
- Forward/Reverse Control With DIR Pin

Integrated Buck/Linear Converter to Efficiently Provide Voltage (5V/3.3V) for Internal and External Circuits
Supply Current 3.5mA With Standby Version (DRV10983)
Overcurrent Protection
Lock Detection
Voltage Surge Protection
UVLO Protection
Thermal Shutdown Protection
Thermally Enhanced 24-Pin HTSSOP