DRV8871DDAR SOP-8 Lisebelisoa tsa elektronike tse kopantsoeng potoloho ea Motor driver chip
DRV8871DDAR SOP-8 Lisebelisoa tsa elektronike tse kopantsoeng potoloho ea Motor driver chip
Setšoantšo sa DRV8871
●H-Bridge Motor Driver
○ E khanna E 'ngoe ea DC Motor, One Winding ea Stepper Motor, kapa Meroalo e Meng
● Bophara ba 6.5-V ho isa ho 45-V Operating Voltage
●565-mΩ E Tloaelehileng ea RDS(ka)(HS + LS)
● 3.6-A Peak Current Drive
● PWM Control Interface
● Taolo ea Hona Joale Ntle le Sense Resistor
● Mokhoa oa ho Robala o Matla a Tlase
● Pakete e Nyenyane le Melato
○8-Pin HSOP Ka PowerPAD™
○4.9 × 6 limilimithara
● Likarolo tsa Tšireletso tse Kopantsoeng
○ VM Undervoltage Lockout (UVLO)
○ Tšireletso ea Overcurrent (OCP)
○ Thermal Shutdown (TSD)
○Ho Fumana Phoso e Ikemetseng
Setšoantšo sa DRV8871
Sesebelisoa sa DRV8871 ke mokhanni oa enjene ea brushed-DC bakeng sa bahatisi, lisebelisoa, lisebelisoa tsa indasteri le metjhini e meng e menyenyane.Lintlha tse peli tsa logic li laola mokhanni oa H-bridge, o nang le li-MOSFET tse 'nè tsa N-channel tse khonang ho laola likoloi ka mahlakoreng a mabeli ho fihlela ho 3.6-A peak current.Lintho tse kenang li ka bepulse-width modulated (PWM) ho laola lebelo la enjene, ho sebelisoa khetho ea mekhoa ea hona joale ea ho bola.Litlhophiso ka bobeli li le tlase li kenya mokhoa oa ho robala o nang le matla a tlase.
Sesebelisoa sa DRV8871 se na le potoloho e tsoetseng pele ea taolo ea hajoale e sa sebeliseng referense ea motlakase ea analog kapa mohanyetsi oa kantle.Tharollo ena e ncha e sebelisa sehanyetsi se tloaelehileng sa theko e tlase, se nang le matla a tlase ho beha moeli oa nako.Bokhoni ba ho fokotsa hona joale ho ea boemong bo tsejoang bo ka fokotsa haholo litlhoko tsa matla a tsamaiso le matla a mangata a hlokahalang ho boloka motlakase o tsitsitseng, haholo-holo bakeng sa motor startupa le maemo a stall.
Sesebelisoa se sirelelitsoe ka botlalo ho tsoa liphoso le lipotolohong tse khutšoane, ho kenyeletsoa undervoltage(UVLO), overcurrent (OCP), le overtemperature (TSD).Ha boemo ba phoso bo tlosoa, sesebelisoa se qala hape ts'ebetso e tloaelehileng.
1. Basebetsi lefapheng la hau la R & D ke bo-mang?Litšoaneleho tsa hau ke life?
-R & D Motsamaisi: etsa moralo oa nako e telele oa R & D oa k'hamphani le ho utloisisa tataiso ea lipatlisiso le nts'etsopele;Tataisa le ho hlokomela lefapha la r&d ho kenya tšebetsong leano la r&d la k'hamphani le moralo oa selemo le selemo oa R&D;Laola tsoelopele ea nts'etsopele ea lihlahisoa le ho lokisa moralo;Theha sehlopha se hloahloa sa lipatlisiso le nts'etsopele ea sehlahisoa, tlhahlobo le koetliso e amanang le basebetsi ba botekgeniki.
Mookameli oa R & D: etsa moralo oa sehlahisoa se secha sa R & D 'me u bontše ho khoneha ha moralo;Laola le ho laola tsoelopele le boleng ba mosebetsi oa r&d;Batlisisa ntshetsopele ya sehlahiswa se secha mme o sisinye ditharollo tse sebetsang ho ya ka ditlhoko tsa bareki mafapheng a fapaneng
Basebetsi ba R&d: bokella le ho hlophisa lintlha tsa bohlokoa;Lenaneo la khomphutha;Ho etsa liteko, liteko le ho sekaseka;Lokisetsa lisebelisoa le lisebelisoa bakeng sa liteko, liteko le litlhahlobo;Rekota lintlha tsa tekanyo, etsa lipalo le ho lokisa lichate;Etsa lipatlisiso tsa lipalo-palo
2. Maikutlo a hau a lipatlisiso le nts'etsopele ea sehlahisoa ke afe?
- Maikutlo a sehlahisoa le mohopolo oa sehlahisoa sa khetho le tlhahlobo ea tlhaloso ea sehlahisoa le moralo oa moralo oa projeke le tlhahlobo ea ntlafatso ea sehlahisoa le ho qala ho netefatsa 'marakeng