NCV70501

NCV70501 Micro-Stepping Motor Driver Introduction NCV70501 is a micro−stepping stepper motor driver for bipolar stepper motors. The chip is connected through I/O pins and an SPI interface with an external microcontroller. The NCV70501 contains a current−translation table and takes the next micro−step depending on the clock signal on the “NXT” input pin and the status of the “DIR” (= direction) register or input pin. The chip provides an error message if stall, an electrical error or an elevated junction temperature is detected. It is using a proprietary PWM algorithm for reliable current control. NCV70501 is fully compatible with the automotive voltage requirements and is ideally suited for general−purpose low current range stepper motor applications in the automotive, industrial, medical, and marine environment. Features Dual H−Bridge for 2−Phase Stepper Motors Programmable Peak−Current Up to 300 mA On−Chip Current Translator SPI Interface With...