SN74CB3Q3245RGYR 100% Sabuwa & Asali DC Zuwa DC Mai Canjawa & Chip Mai Canjawa
Halayen Samfur
| TYPE | KYAUTA |
| category | Sigina switcher, multiplexer, dikodi |
| masana'anta | Texas Instruments |
| jerin | 74CB |
| kunsa | Kunshin tef da mirgina (TR) Kunshin tef (CT) Digi-Reel® |
| Matsayin samfur | Mai aiki |
| nau'in | Canjin bas |
| kewaye | 8 x1: ku |
| kewaye mai zaman kanta | 1 |
| Yanzu - Fitowa babba, ƙasa | - |
| Tushen samar da wutar lantarki | Samar da wutar lantarki guda ɗaya |
| Voltage - Samar da wutar lantarki | 2.3 ~ 3.6V |
| Yanayin aiki | -40°C ~ 85°C |
| Nau'in shigarwa | Nau'in mannewa saman |
| Kunshin / Gidaje | 20-VFQFN fallasa kushin |
| Kunshin ɓangaren mai siyarwa | 20-VQFN (3.5x4.5) |
| Lambar babban samfur | Saukewa: 74CB3Q3245 |
Gabatarwar Samfur
SN74CB3Q3245 babban maɓalli ne na FET bas mai sauyawa yana amfani da famfon caji don ɗaga ƙarfin wutar lantarki na ƙofar transistor, yana ba da juriya na ON-jihar (ron).Ƙarƙashin juriya na ON-jihar yana ba da damar ɗan jinkirin yaduwa kuma yana goyan bayan canjin dogo zuwa dogo akan mashigai na shigarwa/fitarwa (I/O).Na'urar kuma tana da ƙarancin ƙarfin ikon I/O don rage ƙarfin aiki da murɗawar sigina akan bas ɗin bayanai.An ƙirƙira musamman don tallafawa aikace-aikacen bandwidth mai girma, SN74CB3Q3245 yana ba da ingantacciyar hanyar sadarwa wacce ta dace da hanyoyin sadarwa, hanyar sadarwa, da tsarin sarrafa bayanai masu ƙarfi.
An tsara SN74CB3Q3245 azaman canjin bas 8-bit tare da shigarwar fitarwa guda ɗaya (OE\).Lokacin da OE \ yayi ƙasa, canjin bas yana ON kuma tashar tashar A tana haɗe zuwa tashar B, yana barin bayanan bidirectional tsakanin tashoshin jiragen ruwa.Lokacin da OE \ yayi girma, canjin bas yana KASHE kuma yanayin rashin ƙarfi yana wanzuwa tsakanin tashoshin A da B.
Wannan na'urar an keɓance cikakke don aikace-aikacen saukar da ɓarna ta amfani da Ioff.Ioff circuitry yana hana lalata koma bayan na'urar lokacin da aka kunna ta.Na'urar tana da keɓewa yayin kashe wuta.
Don tabbatar da yanayin rashin ƙarfi yayin sama ko saukar da wutar lantarki, OE \ ya kamata a ɗaure zuwa VCC ta hanyar juzu'i;mafi ƙarancin ƙima na resistor an ƙaddara ta hanyar iya nutsewa na yanzu na direba.
Siffofin Samfur
- Babban Hanyar Bayanan Faɗakarwa (Har zuwa 500 MHz↑)
- Daidai da na'urar IDTQS3VH384
- 5-V I/Os Mai Haƙuri tare da Ƙarfafa Na'urar ko Ƙarfafawa
- Low da lebur juriya (RON) halaye akan kewayon aiki (Ron = 4ωTypical)
- Canjawar Rail-to-Rail akan Data I/O Ports Gudun Bayanai na Hannu, Tare da Jinkirin Yaɗa Kusa-ZeroƘarƙashin Ƙarfin Ƙarfafawa/Fitowa Yana Rage Loading da Karyawar Sigina (Cio(KASHE) = 3.5 pF Na Musamman)
- Canjawar 0- zuwa 5-V Tare da VCC 3.3-V
- 0-zuwa 3.3-V Canjawa Tare da 2.5-VCC
- Mitar Canjin Saurin (fOE= 20 MHz Max)
- Bayanai da Abubuwan da ake Sarrafawa suna Ba da Ƙarƙashin Ƙarƙashin Diodes
- Ƙarƙashin Ƙarfin Ƙarfi (ICC = 1 mA Yawanci)
- Rage Aiki na VCC Daga 2.3 V zuwa 3.6 V
- Bayanan I/Os Goyan bayan 0 zuwa 5-V Matakan Siginar (0.8-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, 5-V)
- Ana iya sarrafa abubuwan shigar da sarrafawa ta hanyar TTL ko 5-V/3.3-V CMOS Fitarwa
- Ioff yana Goyan bayan Ayyukan Sashe na Ƙarfin-Ƙasa
- Ayyukan Latch-Up Ya Zarce 100mA A Kowane JESD 78, Class II
- An Gwaji Ayyukan ESD A Kowane JESD 22 Yana Tallafa Duk Ayyukan Dijital da Analog: Interface PCI, Fuskar Siginar Banbancin, Ƙwaƙwalwar Ƙwaƙwalwar Ƙwaƙwalwar Ƙwaƙwalwar Bus, Ƙarƙashin Siginar Ƙarƙashin Ƙarƙashin Ƙira
- 2000-V Samfurin Jikin Mutum (A114-B, Class II)
- 1000-V Model Cajin Na'ura (C101)
Amfanin Samfur
- thermal management da overvoltage kariya
Gudanar da yanayin zafi wani babban ƙalubale ne ga masu ƙirar cajar baturi.Kowane guntu caja yana samun raguwar ƙarfin lantarki yayin aikin caji saboda ɓarkewar zafi.Don guje wa lalacewar baturi ko kashe tsarin, yawancin caja suna haɗa wasu nau'ikan tsarin sarrafawa don sarrafa haɓakar zafi.Sabbin na'urori suna amfani da ingantattun dabarun ba da amsa don ci gaba da lura da yanayin zafin mutu da daidaita cajin da ake yi a halin yanzu ko ta hanyar ƙididdigewa daidai gwargwado ga canjin yanayin yanayi.Wannan bayanan da aka gina a ciki yana ba da guntun caja na yanzu don rage cajin halin yanzu a hankali har sai an kai ma'aunin zafi kuma zafin ya mutu ya daina tashi.Wannan fasaha na ba da damar caja don ci gaba da yin cajin baturin a iyakar halin yanzu ba tare da sanya tsarin rufewa ba, don haka rage lokacin cajin baturi.Yawancin sabbin na'urori a yau kuma yawanci za su ƙara tsarin kariyar wuce gona da iri.
Caja BQ25616JRTWR yana ba da fasalulluka na aminci daban-daban don cajin baturi da ayyukan tsarin, gami da sa ido kan yanayin zafin baturi mara kyau, cajin lokacin aminci da wuce gona da iri da kariyar sama da na yanzu.Ka'idodin thermal yana rage cajin halin yanzu lokacin da yanayin mahaɗin ya wuce 110°C.Fitowar STAT tana ba da rahoton matsayin caji da kowane yanayi mara kyau.
Yanayin aikace-aikace
Guntun cajar baturi na wani nau'in guntu sarrafa wutar lantarki ne, kewayon aikace-aikacen yana da faɗi sosai.Haɓaka kwakwalwan sarrafa wutar lantarki yana da mahimmanci don haɓaka aikin injin gabaɗaya, zaɓin guntun sarrafa wutar lantarki yana da alaƙa kai tsaye da buƙatun tsarin, yayin da ci gaban kwakwalwan sarrafa wutar lantarki na dijital har yanzu yana buƙatar ketare shingen farashi.
BQ25616/616J shine haɗe-haɗe sosai na sarrafa cajin baturi na 3-A mai canzawa da na'urar sarrafa hanyar wutar lantarki don batirin Li-Ion cell guda ɗaya da Li-polymer.Maganin yana haɗawa sosai tare da shigar da baya-tarewa FET (RBFET, Q1), babban gefen sauya FET (HSFET, Q2), ƙananan sauyawa FET (LSFET, Q3), da baturi FET (BATFET, Q4) tsakanin tsarin da baturi.Ƙarƙashin hanyar wutar lantarki yana inganta ingantaccen aiki na yanayin sauyawa, yana rage lokacin cajin baturi kuma yana ƙara lokacin tafiyar baturi yayin lokacin fitarwa.
BQ25616/616J shine ingantaccen tsarin sarrafa cajin baturi na 3-A mai canzawa da na'urar sarrafa hanyar Wuta don batirin Li-ion da Li-polymer.Yana fasalta caji mai sauri tare da babban tallafin ƙarfin shigarwa don aikace-aikace da yawa da suka haɗa da lasifika, masana'antu, da na'urori masu ɗaukar hoto na likita.Ƙarƙashin wutar lantarkin sa yana inganta ingantaccen aiki na yanayin sauyawa, yana rage lokacin cajin baturi, kuma yana tsawaita lokacin tafiyar baturi yayin lokacin fitarwa.Wutar shigarwar sa da ƙa'idodin halin yanzu suna ba da iyakar ƙarfin caji ga baturin.
Maganin yana haɗawa sosai tare da shigar da baya-tarewa FET (RBFET, Q1), babban gefen sauya FET (HSFET, Q2), ƙananan sauyawa FET (LSFET, Q3), da baturi FET (BATFET, Q4) tsakanin tsarin da baturi.Hakanan yana haɗa diode ɗin bootstrap don tuƙin ƙofar babban gefen don ƙirar tsarin sauƙaƙe.Saitin kayan masarufi da rahoton matsayi yana ba da sauƙi mai sauƙi don saita maganin caji.
