STSPIN220 STMicroelectronics

STSPIN220 Datasheet Low voltage stepper motor driver Features Operating voltage: from 1.8 to 10 V Maximum output current: 1.3 A rms R HS + LS = 0.4 typ. DS(ON) th Microstepping up to 1/256 of a step Current control with programmable off-time Full protection set Non-dissipative overcurrent protection Short-circuit protection Thermal shutdown Energy saving and long battery life with standby consumption less than 80 nA Applications Battery-powered stepper motor applications such as: Pop-up camera control for smartphones Point of sale (POS) devices Portable printers PC peripherals and accessories Robotics Toys Product status link Reflex cameras STSPIN220 Description Product summary The STSPIN220 is a stepper motor driver which integrates, in a small VFQFPN 3 x 3 Order code STSPIN220 x 1.0 mm package, both control logic and a low R power stage. DS (on) VFQFPN 3x3x1.0 Package The integrated controller implements PWM current control with fixed OFF time and a 16L th microstepping resolution up to 1/256 of a step. Packing Tape & reel The device is designed to operate in battery-powered scenarios and can be forced into a zero-consumption state, allowing a significant increase in battery life. The device offers a complete set of protection features including overcurrent, overtemperature and short-circuit protection. DS11633 - Rev 5 - December 2020 www.st.com For further information contact your local STMicroelectronics sales office.STSPIN220 Block diagram 1 Block diagram Figure 1. Block diagram VBAT VS VS VS 1 0 STBY RESET OUTA1 OC SC REF EN FAULT DAC - V release + + OUTA2 OC SC STCK MODE3 SENSEA DIR MODE4 VS Stepper motor MODE1 OC SC OUTB1 MODE2 OUTB2 OC SC TOFF Oscillator OVT SENSEB GND AM040026 DS11633 - Rev 5 page 2/29 Control logic + - + -