LP87524JRNFRQ1 ( Electronic Components IC Chips Integrated Circuits IC ) LP87524JRNFRQ1
Litšobotsi tsa Sehlahisoa
| MOFUTA | TLHALOSO | KHETHA |
| Sehlopha | Lipotoloho tse Kopantsoeng (ICs) PMIC - Voltage Regulators - DC DC Switching Regulators |
|
| Mfr | Lisebelisoa tsa Texas | |
| Letoto | Likoloi, AEC-Q100 | |
| Sephutheloana | Theipi le Reel (TR) Seha Tape (CT) Digi-Reel® |
|
| Boemo ba Sehlahiswa | E sebetsa | |
| Mosebetsi | Phahamisa | |
| Tlhophiso ea Sephetho | E ntle | |
| Topology | Buck | |
| Mofuta oa Sephetho | E ka reroang | |
| Palo ea Litholoana | 4 | |
| Voltage - Kenyo (Mots) | 2.8V | |
| Voltage - Kenyo (Boholo) | 5.5V | |
| Voltage - Output (Min/Fixed) | 0.6V | |
| Voltage - Output (Boholo) | 3.36V | |
| Hajoale - Sephetho | 4A | |
| Khafetsa - Ho fetoha | 4MHz | |
| Synchronous Rectifier | Ee | |
| Mocheso oa ho sebetsa | -40°C ~ 125°C (TA) | |
| Mofuta oa ho Beha | Thaba e kaholimo, Lephako le metsi | |
| Sephutheloana / Taba | 26-PowerVFQFN | |
| Sephutheloana sa Sesebelisoa sa Bafani | 26-VQFN-HR (4.5x4) | |
| Nomoro ea Sehlahisoa sa Motheo | LP87524 | |
| SPQ | 3000PCS |
Ho fetola li-Regulators
Li-Switch regulators ke mofuta oa potoloho o ka fetolang motlakase le motlakase oa motlakase ho ba motlakase le motlakase oa motlakase o loketseng haholo ho matlafatsa tsamaiso eo e e hlahisetsang matla.Mefuta ena ea li-circuits e boetse e tsejoa e le li-converter 'me e loketse ho laola matla a fetisitsoeng pakeng tsa libaka tsena tse peli tsa ho kopana ho boloka motlakase o sa khaotseng o bolokehileng ka har'a meeli ea potoloho.Li sebetsa ka katleho e phahameng haholo ea ho sokoloha ho fetabalaoli ba linearle ho fana ka monyetla oa ho laola matla a molemo le a theko e tlaase ka nako e telele, hammoho le taba ea hore hangata ha e hloke li-capacitor tse ka ntle.
Li-switching regulators li sebelisetsoa eng?
Mefuta ena ea balaoli e atisa ho sebelisoa bakeng sa lisebelisoa tse sebelisoang ke betri ea sele e le 'ngoe kapa ea lisele tse ngata le bakeng sa lisebelisoa tsa elektronike tse nkehang habonolo tse tsamaisoang ke betri tse kang lik'hamera tsa digital, lipapali tsa lipapali tse tšoaroang ka letsoho, balaoli le tse ling.Molemo o ka sehloohong oa ho sebelisa li-switching converters ho e-na le li-linear regulator ke hore li fana ka tšireletso ea potoloho e khutšoanyane le ho netefatsa tšireletso e feteletseng le e tlas'a motlakase.Li boetse li ntle bakeng sa ho sireletsa lisebelisoa tsa elektronike ho tloha mocheso o feteletseng le tšenyo e feteletseng.
Mefuta ea li-switching regulators
Li-Step-up kapa Boost Regulators - Tsena ke mefuta ea mantlha ea li-switching regulator mme e sebelisoa ho eketsa motlakase o tsoang.
* Li-converter tse tlase kapa tsa Buck-Boost - Li fokotsa kapa li khutlisetsa morao motlakase o tsoang mabapi le motlakase o kenang.
Setšoantšo sa LP87524J-Q1
- Ea tšoanelehang bakeng sa Likopo tsa Likoloi
- AEC-Q100 E ea Tšoaneleha ka Liphetho tse Latelang:Motlakase oa ho Kena: 2.8 V ho isa ho 5.5 V
- Thempereichara ea Sesebelisoa Kereiti ea 1: -40°C ho ea +125°C Ambient Operating Temperature
- Matla a hlahisoang ke 0.6 V ho isa ho 3.36 V
- Mekhahlelo e Mene e Matla e Phahameng ea Boemo ba Hato-Down ea DC-DC Converter:4-MHz Switching Frequency
- Kakaretso ea Sephetho Ho fihlela 10 A
- Output Voltage Slew-Rate 3.8 mV/µs
- Mokhoa oa Phatlalatso oa Spectrum le Phase Interleaving
- Configurable General Purpose I/O (GPIOs)
- I2C-Compatible Interface e Tshehetsang Mekhoa e Tloaelehileng (100 kHz), Fast (400 kHz), Fast+ (1 MHz), le High-Speed (3.4 MHz)
- Ts'ebetso e sitisang ka Masking e hlophisitsoeng
- Letšoao le Molemo la Matla a Programmable (PGOOD)
- Ts'ireletso ea Potoloho e Khutšoane le Tšireletso e Felletseng
- Tlhokomeliso le Tšireletso ea Mocheso o Fetileng
- Tšireletso ea Overvoltage (OVP) le Undervoltage Lockout (UVLO)
Setšoantšo sa LP87524J-Q1
LP87524B/J/P-Q1 e etselitsoe ho fihlela litlhoko tsa taolo ea matla tsa li-processor tsa morao-rao le lipolanete lits'ebetsong tse fapaneng tsa motlakase oa likoloi.Sesebelisoa se na le li-cores tse 'ne tse theohang tlase tsa DC-DC, tse hlophisitsoeng e le liphetho tse 4 tsa mohato o le mong.Sesebelisoa se laoloa ke I2C-compatible serial interface le ka ho nolofalletsa matšoao.
Ts'ebetso ea othomathiki ea PFM/PWM (Mokhoa oa AUTO) e holisa ts'ebetso ho feta mefuta e mengata e teng hona joale.LP87524B/J/P-Q1 e ts'ehetsa ho utloa ha motlakase o hole ho lefella ho theoha ha IR pakeng tsa sephetho sa taolo le ntlha-ea-moroalo (POL) ka hona ho ntlafatsa ho nepahala ha motlakase o tsoang.Ntle le moo, oache e fetohang e ka qobelloa ho ea ho PWM mode hape ea hokahana le oache e kantle ho fokotsa litšitiso.
Sesebelisoa sa LP87524B/J/P-Q1 se ts'ehetsa tekanyo ea hona joale ea mojaro ntle le ho eketsoa ha lihanyetsi tsa kutlo tse kantle.Ntle le moo, LP87524B/J/P-Q1 e ts'ehetsa ho lieha ho qala le ho koala le tatellano e hokahaneng ho thusa matšoao.Tatelano e ka boela ea kenyelletsa matšoao a GPIO ho laola balaoli ba kantle, li-switch switch le reset ea processor.Nakong ea ho qala le ho fetoha ha motlakase, sesebelisoa se laola sekhahla sa ho bolaoa ho fokotsa phallo ea motlakase le ho potlaka hona joale.
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