LP87524JRNFRQ1 ( Ngwa eletrọnịkị IC Chips Integrated Circuits IC ) LP87524JRNFRQ1
Njirimara ngwaahịa
Ụdị | Nkọwa | Họrọ |
Otu | Sekit jikọtara ọnụ (ICs) PMIC - Ndị na-achịkwa voltaji - DC DC ndị na-ahụ maka mgbanwe mgbanwe |
|
Mfr | Ngwa Texas | |
Usoro | Ụgbọ ala, AEC-Q100 | |
ngwugwu | teepu & Reel (TR) Mpempe akwụkwọ (CT) Digi-Reel® |
|
Ọnọdụ ngwaahịa | Na-arụ ọrụ | |
Ọrụ | Kwụpụ-ala | |
Nhazi mmepụta | Nke dị mma | |
Topology | Buck | |
Ụdị mmepụta | Enwere ike ime mmemme | |
Ọnụọgụ nke mmepụta | 4 | |
Voltaji - Ntinye (Nkeji) | 2.8V | |
Voltaji - Ntinye (Max) | 5.5V | |
Voltaji - Mpụta (Nkeji/Edozi) | 0.6V | |
Voltaji - Mpụta (Max) | 3.36V | |
Ugbu a - Mmepụta | 4A | |
Ugboro - Ịgbanwe | 4MHz | |
Ihe nrụpụta mmekọrịta | Ee | |
Okpomọkụ na-arụ ọrụ | -40°C ~ 125°C (TA) | |
Ụdị nkwụnye | Ugwu dị n'elu, Flank Wettable | |
Ngwungwu / Akpa | 26-PowerVFQFN | |
Ngwungwu ngwaọrụ ndị na-eweta ihe | 26-VQFN-HR (4.5x4) | |
Nọmba ngwaahịa ntọala | LP87524 | |
SPQ | 3000 PCS |
Ndị na-achịkwa mgbanwe
Ndị na-agbanwe agbanwe bụ ụdị sekit nke nwere ike ịgbanwe voltaji na ntinye ugbu a n'ime voltaji na mmepụta nke kachasị mma iji mee ka usoro ọ na-emepụta ike.A na-akpọkwa ụdị sekit ndị a dị ka ndị ntụgharị ma dị mma maka ịhazi ike nke a na-ebufe n'etiti ebe kọntaktị abụọ a iji nọgide na-enwe voltaji mmepụta mgbe niile nke dị n'enweghị nchebe n'ime oke nke sekit.Ha na-arụ ọrụ na a ukwuu elu mgbanwe arụmọrụ karịalinear regulatorsma na-enye uru nke njikwa ike dị mma na nke dị ọnụ ala na ogologo oge, yana eziokwu na ha anaghị achọkarị capacitors mpụga.
Kedu ihe a na-eji ndị na-ahụ maka mgbanwe mgbanwe?
A na-ejikarị ụdị nchịkwa ndị a maka ngwa batrị nwere otu cell ma ọ bụ ọtụtụ cell yana maka ngwaọrụ eletrọnịkị nwere ike batrị dị ka igwefoto dijitalụ, ihe njikwa egwuregwu ejiri aka, njikwa na ihe ndị ọzọ.Isi uru dị n'iji ndị na-agbanwe mgbanwe ndị a kama ịbụ ndị na-achịkwa linear bụ na ha na-enye nchebe obere oge ma hụ na nchekwa voltaji na n'okpuru voltaji.Ha dịkwa mma maka ichekwa usoro eletrọnịkị site na oke okpomọkụ na mmebi nke ugbu a.
Ụdị ndị na-achịkwa mgbanwe
Nzọụkwụ elu ma ọ bụ Boost Regulators - Ndị a bụ ụdị kachasị mkpa nke mgbanwe mgbanwe na-eji mee ka voltaji mmepụta dị elu.
Ndị na-atụgharị nzọụkwụ-Down ma ọ bụ Buck-Boost - Ha na-ebelata ma ọ bụ tụgharịa voltaji mmepụta n'ihe gbasara voltaji ntinye.
Atụmatụ maka LP87524J-Q1
- Tozuru maka ngwa ụgbọ ala
- AEC-Q100 tozuru oke na nsonaazụ ndị a: Voltaji ntinye: 2.8 V ruo 5.5 V
- Okpomọkụ ngwaọrụ Ọkwa 1: -40°C ruo +125°C okpomọkụ na-arụ ọrụ gburugburu
- Voltage mmepụta: 0.6 V ruo 3.36 V
- Ihe ntụgharị Cores-Dc-DC dị elu anọ dị elu: Ugboro ngbanwe 4-MHz
- Mkpokọta mpụta dị ugbu a ruo 10 A
- Mpụta Voltage Slew-Rate 3.8 mV/µs
- Ụdị Mgbasa-Spectrum na Ntugharị Oge
- Nzube izugbe I/O nwere ike ịhazi (GPIOs)
- I2Interface C-Dakọtara na-akwado Standard (100 kHz), Ọsọ (400 kHz), Ọsọ+ (1 MHz), na Ụdị Ọsọ Ọsọ (3.4 MHz)
- Arụ ọrụ kwụsịrị site na iji mkpuchi nwere mmemme
- Ihe ngosi ọma ike mmemme (PGOOD)
- Mmepụta Mkpirisi okirikiri na Nchekwa ibu
- Ịdọ aka ná ntị na Nchekwa oke okpomọkụ
- Nchekwa oke ọkụ (OVP) na Mkpọchi n'okpuru voltaji (UVLO)
Nkọwa maka LP87524J-Q1
Emebere LP87524B/J/P-Q1 iji gboo mkpa njikwa ike nke ndị nrụpụta na nyiwe kachasị ọhụrụ na ngwa ike ụgbọ ala dị iche iche.Ngwaọrụ ahụ nwere cores mgbada DC-DC anọ, nke ahaziri dị ka mpụta 4 otu nkeji.Ihe I na-achịkwa ngwaọrụ a2C-dakọtara Oghere Usoro interface na site na-enyere akara.
Ọrụ PFM/PWM akpaka (AUTO) na-ebuli arụmọrụ karịa oke mmepụta-ugbu a.LP87524B/J/P-Q1 na-akwado nghọta voltaji dịpụrụ adịpụ iji kwụọ ụgwọ IR n'etiti mmepụta ihe nchịkwa na ihe-ebu (POL) si otú a na-emeziwanye izi ezi nke voltaji mmepụta.Na mgbakwunye, enwere ike ịmanye elekere ngbanwe ahụ ka ọ bụrụ ọnọdụ PWM yana mekọrịta ya na elekere mpụga iji belata ọgbaghara ahụ.
Ngwa LP87524B/J/P-Q1 na-akwado nha ibu dị ugbu a na-enweghị mgbakwunye nke ndị na-emegide ihe mmetụta dị ugbu a.Na mgbakwunye, LP87524B/J/P-Q1 na-akwado mmalite mmalite na nkwụsị nkwụsị nke mmemme na usoro mekọrịtara ọnụ iji mee ka mgbama nwee ike.Usoro nwekwara ike ịgụnye akara GPIO iji jikwaa ndị na-ahụ maka mpụga, mgba ọkụ ibu na nrụpụta nrụpụta.N'oge mmalite mmalite na mgbanwe voltaji, ngwaọrụ ahụ na-ejikwa ọnụ ahịa egbu egbu iji belata mmepụta voltaji na ngbanwe nke ugbu a.