ON Semiconductor's LB1845-E Motor Driver IC
The LB1845-E from ON Semiconductor is a high-performance motor driver IC designed for precision control of bipolar stepper motors and brushed DC motors. This versatile and compact IC is ideal for a wide range of applications, including office automation machines, factory automation equipment, and consumer electronics.
With its built-in dual H-bridge configuration, the LB1845-E is capable of driving two DC motors or one stepper motor. It supports a supply voltage range from 4.5V to 36V, allowing it to accommodate various power requirements. The IC can deliver output currents up to 1A per channel, making it suitable for driving small to medium-sized motors.
The LB1845-E offers several protection features to ensure the longevity and reliability of the motor and the driver itself. These include thermal shutdown, under-voltage lockout (UVLO), and crossover current protection. These safeguards help prevent damage from overcurrent conditions, excessive heat, and power supply fluctuations.
ON Semiconductor's LB1845-E is designed with simplicity in mind, requiring minimal external components. This ease of use makes it an excellent choice for designers looking to implement a motor control solution quickly and efficiently. The IC's package is optimized for heat dissipation, which contributes to its robustness and performance in demanding situations.
The LB1845-E also features an internal charge pump that eliminates the need for external bootstrap diodes and capacitors, simplifying the circuit design. Its PWM (Pulse Width Modulation) capability allows for precise speed control and efficient power management, which is crucial for battery-powered applications.
Overall, the LB1845-E motor driver IC by ON Semiconductor stands out for its combination of performance, ease of use, and integrated protection features. It is an excellent choice for developers seeking a reliable and efficient solution for motor control applications.
