LP87524JRNFRQ1 ( Zvemagetsi Zvikamu IC Chips Akabatanidzwa Masekete IC ) LP87524JRNFRQ1
Product Attributes
| TYPE | DESCRIPTION | SARUDZA |
| Category | Integrated Circuits (ICs) PMIC - Voltage Regulators - DC DC Switching Regulators |
|
| Mfr | Texas Instruments | |
| Series | Motokari, AEC-Q100 | |
| Package | Tepi & Reel (TR) Cheka Tape (CT) Digi-Reel® |
|
| Product Status | Active | |
| Basa | Nhanho-Pasi | |
| Output Configuration | Positive | |
| Topology | Buck | |
| Output Type | Programmable | |
| Nhamba Yezvinobuda | 4 | |
| Voltage - Input (Mini) | 2.8V | |
| Voltage - Input (Max) | 5.5V | |
| Voltage - Kubuda (Mini/Yakagadziriswa) | 0.6V | |
| Voltage - Kubuda (Max) | 3.36V | |
| Zvazvino - Output | 4A | |
| Frequency - Kuchinja | 4MHz | |
| Synchronous Rectifier | Ehe | |
| Operating Temperature | -40°C ~ 125°C (TA) | |
| Mounting Type | Surface Mount, Wettable Flank | |
| Package / Nyaya | 26-PowerVFQFN | |
| Supplier Device Package | 26-VQFN-HR (4.5x4) | |
| Base Product Number | LP87524 | |
| SPQ | 3000PCS |
Kuchinja Regulators
Switch regulators imhando yedunhu rinokwanisa kushandura voltage nekuisa ikozvino kuita voltage uye inobuda ikozvino ndiyo inonyanya kukodzera kusimba sisitimu yairi kugadzira simba.Aya marudzi emaseketi anozivikanwa zvakare seanoshandura uye akanakira kudzora simba rinotamiswa pakati peaya maviri mapoinzi ekusangana kuti achengetedze anogara akabuda voltage ari zvakachengeteka mukati memiganhu yedunhu.Vanoshanda pahuwandu hwekushandura hunobudirira kupfuuralinear regulatorsuye kupa zvakanakira zviri nani uye zvinodhura-inoshanda simba manejimendi munguva refu, pamwe nekuti ivo kazhinji havadi ekunze capacitors.
Chii chinonzi switching regulators chinoshandiswa?
Aya marudzi ezvigadziriso anowanzo shandiswa kune imwechete-sero kana akawanda-sero bhatiri-powered application uye kune bhatiri-powered inotakurika zvigadzirwa zvemagetsi semakamera edhijitari, mitambo inobatwa nemaoko, controller nezvimwe.Kubatsira kukuru kwekushandisa aya machinjiro ekuchinja panzvimbo peanoreja mitsara ndeyekuti ivo vanopa pfupi-yedunhu chengetedzo uye inova nechokwadi chepamusoro-voltage uye pasi-voltage kuchengetedzwa.Izvo zvakare zvakanaka pakudzivirira emagetsi masisitimu kubva kune-tembiricha uye kupfuura-ikozvino kukuvara.
Mhando dzekuchinja kudzora
Nhanho-Kumusoro kana Boost Regulators - Aya ndiwo akanyanya kukosha mhando yekuchinja regulator uye anoshandiswa kuwedzera kubuda kwemagetsi.
* Nhanho-Pasi kana Buck-Boost Shanduri - Vanodzikisa kana kudzoreredza voltage inobuda zvine chekuita nemagetsi ekuisa.
Zvimiro zve LP87524J-Q1
- Inokodzera ZveMota Zvikumbiro
- AEC-Q100 Inokodzera Nezvinotevera Mhedzisiro:Input Voltage: 2.8 V kusvika 5.5 V
- Device Temperature Giredhi 1: -40°C kusvika +125°C Ambient Operating Temperature
- Output Voltage: 0.6 V kusvika 3.36 V
- Ina Yakakwirira-Kushanda Danho-Pasi DC-DC Converter Cores:4-MHz Kuchinja Frequency
- Zvose Zvakabuda Zvazvino Kusvika Ku10 A
- Output Voltage Slew-Rate 3.8 mV/µs
- Spread-Spectrum Mode uye Phase Interleaving
- Configurable General Chinangwa I/O (GPIOs)
- I2C-Compatible Interface Inotsigira Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), uye High-Speed (3.4 MHz) Modes
- Kukanganisa Basa neProgrammable Masking
- Programmable Power Yakanaka Chiratidzo (PGOOD)
- Output Short-Circuit uye Overload Dziviriro
- Overtemperature Yambiro uye Dziviriro
- Overvoltage Dziviriro (OVP) uye Undervoltage Lockout (UVLO)
Tsanangudzo ye LP87524J-Q1
Iyo LP87524B/J/P-Q1 yakagadzirirwa kusangana nemasimba ekutonga zvinodiwa zveazvino processors uye mapuratifomu mune akasiyana emagetsi magetsi ekushandisa.Chishandiso chine nhanho ina-pasi DC-DC inoshandura cores, iyo inogadziriswa se 4 single phase kubuda.Iyo mudziyo inodzorwa neI2C-inoenderana serial interface uye nekugonesa masaini.
Iyo otomatiki PFM/PWM (AUTO modhi) mashandiro anowedzera kugona pamusoro peyakakura kubuda-yazvino renji.Iyo LP87524B/J/P-Q1 inotsigira kure kure voltage sensing kutsiva IR kudonha pakati peiyo regulator inobuda uye poindi-ye-mutoro (POL) nekudaro inovandudza huchokwadi hwekubuda kwemagetsi.Pamusoro peiyo switching wachi inogona kumanikidzwa kuPWM modhi uye zvakare kuwiriraniswa kune yekunze wachi kudzikisa kukanganisa.
Iyo LP87524B/J/P-Q1 mudziyo unotsigira kuyerwa-ikozvino kuyerwa pasina kuwedzera kwekunze kwezvino-pfungwa resistors.Uye zvakare, iyo LP87524B/J/P-Q1 inotsigira programmable kutanga uye kumisa kunonoka uye kutevedzana kwakawiriraniswa kugonesa masaini.Iwo anoteedzana anogona zvakare kusanganisira GPIO masiginecha ekudzora ekunze regulator, mutoro switch uye processor reset.Munguva yekutanga-kumusoro uye shanduko yemagetsi, mudziyo unodzora iyo inobuda yakauraya mwero kudzikisa goho voltage overshoot uye in-rush ikozvino.
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