onsemi Full Half-Bridge Drivers LB1668-E

The LB1668-E is a monolithic digital IC designed for 2-phase unipolar brushless motor driving applications. It operates within a wide voltage range and requires minimal external components, making it suitable for various designs. The driver supports both 12V and 24V power supplies with a simple resistor adjustment. It features built-in output protection Zener diodes with variable breakdown voltages, allowing for flexibility in circuit design. The device includes a rotation detection function, motor lock protection, and automatic recovery capabilities, enhancing reliability in motor control applications. It has a maximum output current of 1.5A and incorporates thermal shutdown functionality to prevent overheating. The operating temperature range is from -30°C to +80°C, with storage temperatures from -55°C to +150°C. The LB1668-E is packaged in a DIP10S format, facilitating easy integration into existing systems.