The STSPIN820 IC from STMicroelectronics enables the next generations of stepper-motor-based robots to achieve even greater smoothness and silence, with smaller size, greater precision, and lower power consumption. With its high-speed inputs and precise micro-stepping algorithm, it can turn a motor by a fraction of a degree to move a 3D printer’s head at a speed of more than 500mm/s, with submicron precision to create parts very quickly and with incredible surface finish, or control extremely precise movements like sample loading, capping/decapping, and storage/retrieval in next-generation clinical automation systems. Other motor-driven medical equipment such as plate handlers, fluid pumps, blood analyzers, and respirators can be quieter, more compact, and cost-effective.
Measuring just 4mm x 4mm, and containing both the control intelligence and fully protected power components (rated 45V and 500mΩ RDS(ON)) for driving the motor, the chip is the world’s smallest all-in-one high-precision controller. Manufacturers of automation equipment can simply place the device on the controller circuit board, with minimal extra parts needed to complete the system, to save space and enhance system reliability.
The STSPIN820 is in production now, packaged as a 4mm x 4mm QFN device, and available from $1.25 for orders of 1000 pieces. The associated STSPIN board (X-NUCLEO-IHM14A1) will be showcased at the ST booth at SPS IPC Drives in Nuremberg, 28-30 November 2017.
For more information visit www.st.com