STMi­cro­elec­tron­ics re­veals world’s small­est mo­tor driv­ers

Power Watch India - - EQUIPMENT WATCH -

With ex­pan­sion of por­ta­ble tech­nol­ogy in ev­ery­day life, new tiny, low­power elec­tric-mo­tor driv­ers from STMi­cro­elec­tron­ics, are en­abling so­phis­ti­cated bat­tery-pow­ered equip­ment to be­come smaller and more mo­bile with ex­tended run­time. Con­trol­ling the mo­tors at the heart of de­vices like por­ta­ble med­i­cal pumps and driv­ers, per­sonal well­ness de­vices, por­ta­ble point-of-sale de­vices, minia­ture ro­bots, sur­veil­lance equip­ment, pre­ci­sion tools, and por­ta­ble prin­ters re­quires con­sid­er­able en­gi­neer­ing know-how. One of the big­gest chal­lenges is to com­bine logic and power com­po­nents in a sin­gle chip on tight space and power bud­gets. ST has now gath­ered all of th­ese in­gre­di­ents to­gether in its new line-up of tiny sin­gle-chip mo­tor driv­ers that meet the needs of the most de­mand­ing por­ta­ble and wear­able ap­pli­ca­tions. The com­bi­na­tion of low power con­sump­tion, small form fac­tor, and out­stand­ing per­for­mance of ST’s new mo­tor driv­ers is set to con­trib­ute to the wide­spread adop­tion of bat­tery-pow­ered IoT de­vices. Mea­sur­ing just 3mm x 3mm, ST’s new de­vices are the world’s small­est sin­gle-chip mo­tor driv­ers in­te­grat­ing all the func­tion­al­i­ties to en­able prod­uct de­sign­ers to de­liver com­pact, light­weight, and user-friendly in­no­va­tions into their tar­get mar­kets. Fru­gal with bat­tery en­ergy, the driv­ers op­er­ate from a sup­ply volt­age as low as 1.8V and sup­port power-sav­ing de­sign with ul­tra-low, best-in-class standby cur­rent of less than 80nA for a zero-power state when the mo­tor is in­ac­tive.

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