OMNIVISION WS4694C Aworan sensọ 
Awọn apejuwe
WS4694C jẹ kekere, RON kekere, iyipada fifuye ikanni kan pẹlu oṣuwọn pipa iṣakoso. Awọn ẹrọ nṣiṣẹ lori ohun input voltage ibiti 2.6 V si 5.5 V. Ẹrọ naa ṣe atilẹyin opin lọwọlọwọ lati 0.05 A si 2 A.
Akoko igbega ti ẹrọ naa dinku pupọ lọwọlọwọ inrush ti o fa nipasẹ agbara fifuye olopobobo nla, nitorinaa idinku tabi imukuro idinku ipese agbara. WS4694C naa ni iṣẹ Iyipada Iyipada-lọwọlọwọ (TRCB) ti o ṣe idiwọ lọwọlọwọ iyipada ti aifẹ lati VOUT si VIN lakoko awọn ipinlẹ ON ati PA. Iwọn kekere ati ẹrọ RON kekere jẹ apẹrẹ fun awọn ohun elo agbara batiri aaye aaye. Awọn jakejado input voltage ibiti o ti yipada mu ki o kan wapọ ojutu fun ọpọlọpọ awọn oriṣiriṣi voltage afowodimu.
WS4694C wa ninu package CSP-9L kan. Awọn ọja boṣewa jẹ ọfẹ Pb ati Halogen-ọfẹ.
Awọn ẹya ara ẹrọ
- Iṣagbewọle Voltage Ibiti: 2.6 V ~ 5.5 V
- Idiwon pipe ni VOUT: 28 V
- O pọju Ijade lọwọlọwọ: 2.0 A
- Adijositabulu Ifilelẹ lọwọlọwọ: 0.05 A ~ 2.0 A
1 A ~ 2.0 A pẹlu 15% Yiye - Iyipada-Idina lọwọlọwọ (TRCB)
- Labẹ-Voltage Lockout ati Gbona Tiipa
- CSP-9L
Bere fun Alaye
Tabili 1
| Ẹrọ | Package | Gbigbe |
| WS4694C-9/TR | CSP-9L | 3000/Reel & teepu |
Awọn ohun elo
- Awọn foonu Smart, Awọn PC tabulẹti
- Ibi ipamọ, DSLRs, ati awọn ẹrọ amudani miiran
Pin Alaye 
Tabili 2
| Pin | Aami | Apejuwe |
| A3, B3 | Jade | O wu pin |
| A1, B1 | IN | PIN ti nwọle |
| A2, B2 | GND | Ilẹ |
| C3 | EN | TAN/PA Input Iṣakoso: HIGH ti nṣiṣe lọwọ |
| C2 | ISET | Lọwọlọwọ iye to Ṣeto Input: A resistor lati ISET to ilẹ ṣeto awọn
lọwọlọwọ iye to fun yipada. |
|
C1 |
#OCFLAG |
Abajade aṣiṣe: LOW ti nṣiṣe lọwọ, iṣelọpọ ṣiṣi-ṣii ti o tọkasi titẹ sii lori lọwọlọwọ. Ohun ita fa-soke resistor to VDD wa ni ti beere. |
Àkọsílẹ aworan atọka 
Ohun elo Aṣoju 
Idi ti o pọju-wonsi
Iwọnyi jẹ awọn iwọn aapọn nikan. Wahala ti o kọja iwọn ti a sọ ni Tabili 3 le fa ibaje nla si ẹrọ naa. Iṣiṣẹ ṣiṣe ti ẹrọ ni awọn ipo miiran ju awọn ti a ṣe akojọ si ni sipesifikesonu ko ni mimọ. Ifarahan gigun si awọn ipo to gaju le ni ipa lori igbẹkẹle ẹrọ.
Tabili 3
| Paramita | Aami | Min. | O pọju. | Ẹyọ |
| VOUT si GND, VOUT si VIN | Jade | -0.3 | 28 | V |
| Awọn pinni miiran si GND | IN, EN, ISET, #OCFLAG | -0.3 | 6 | V |
| O pọju Tesiwaju Yipada Lọwọlọwọ（1） |
ISW |
2.3 |
A |
|
| Ṣiṣẹ Junction otutu | TJ | -40 | 150 | oC |
| Ibi ipamọ otutu Ibiti | TSTG | -65 | 150 | oC |
| Iwọn otutu asiwaju | TL | 260 | oC | |
|
Awọn idiyele ESD |
HBM | 5 | kV | |
| CDM | 2 | kV | ||
| Gbigbe afẹfẹ (VIN, VOUT si GND) | 15 | kV | ||
| Sisọ Olubasọrọ (VIN, VOUT si GND) | 8 | kV | ||
O pọju Junction otutu = 85°C
Ṣe iṣeduro Awọn idiyele Iṣiṣẹ
Awọn wọnyi tabili asọye awọn ipo fun gangan ẹrọ isẹ. Awọn ipo iṣẹ ti a ṣeduro ni pato lati rii daju iṣẹ ṣiṣe to dara julọ si awọn pato iwe data.
Tabili 4
| Paramita | Aami | Min. | O pọju. | Ẹyọ |
| Ipese Voltage | VIN | 2.6 | 5.5 | V |
| Miiran Pinni | EN, ISET, #OCFLAG | 2.5 | 5.5 | V |
| Ṣiṣẹ Ibaramu otutu | TA | -40 | 85 | oC |
| Atako Gbona, RθJA (CSP-9L)（2） | RÉJA | 110 | CC / W | |
Dada agesin lori FR-4 Board lilo 2 iwon, 1 square inch Cu agbegbe, PCB ọkọ iwọn 1.5 * 1.5 square inches.
Itanna Abuda
TA = -40 to +85°C, VIN = 2.6 to 5.5 V, Aṣoju iye wa ni VIN = 5 V ati TA = 25oC, ayafi ti bibẹkọ ti woye.
Tabili 5
| Paramita | Aami | Ipo | Min. | Iru. | O pọju. | Ẹyọ |
| Isẹ ipilẹ | ||||||
| Iṣagbewọle Voltage | VIN | 2.6 | 5.5 | V | ||
| Quiescent Lọwọlọwọ | IQ | VIN= VEN, VOUT = Ṣii,
TA=25oC |
80 | 150 | .A | |
| Tiipa Lọwọlọwọ | ISD | VIN=5.5 V, VOUT=0 V,
VEN=GND |
0.1 | .A | ||
| Pa Ipese Lọwọlọwọ | IQ(PA) | VEN=GND, VOUT=Ṣi | 1 | .A | ||
|
Lori Resistance |
RON |
VIN=VEN=5V, IOUT=1 A,
TA=25oC |
75 | 100 |
mΩ |
|
| VIN=VEN=3.7V, IOUT=1 A,
TA=25oC |
85 | 105 | ||||
| EN kannaa High Voltage | VIH | VIN=5V, IOUT=0.1 A | 1.1 | V | ||
| EN kannaa Low Voltage | VIL | VIN=5V, IOUT=0.1 A | 0.4 | V | ||
| #OCFLAG Iṣafihan kannaa Low Voltage |
VIL_FLAG |
VIN=5 V, ISINK=10 mA | 0.1 | 0.2 | V | |
| VIN=2.6 V, ISINK=10 mA | 0.15 | 0.3 | V | |||
| #OCFLAG Iṣafihan kannaa
Ga jijo Lọwọlọwọ |
IFLAG_LK | VIN = 5 V, Tan-an | 0.1 | 1 | .A | |
| EN Input jijo | ION | VEN = 0 V si VIN | 1 | .A | ||
| Fa-isalẹ Resistance ni
EN Pin |
REN_PD | VIN = 2.6 ~ 5.5 V, VEN = Giga
TA = –40 si 85oC |
14 | MΩ | ||
| Lori-Voltage Idaabobo | ||||||
|
Titiipa OVP jade |
VOV_TRIP |
VOUT Dide Ala | 5.5 | 5.8 | 6 |
V |
| VOUT Ja bo Ala | 5.5 | |||||
| Ijade OVP Hysteresis | OUTYS | 0.3 | V | |||
|
Akoko Idahun OVP(3) |
tOVP |
IOUT=0.5 A, CL=1 µF,
TA=25oC, VOUT lati 5.5 V si 6.0 V |
1 |
4 |
.s |
|
| Lori-Lọwọlọwọ Idaabobo | ||||||
|
Ipin lọwọlọwọ |
ILIM |
VIN=VEN=5V, RSET=1000 Ω | 850 | 1000 | 1150 |
mA |
| VIN=VEN=5V, RSET=500 Ω | 1700 | 2000 | 2300 | |||
|
Labẹ-Voltage Titiipa |
VUVLO |
Iye owo ti VIN | 2.4 |
V |
||
| Iyipada ninu owo-owo VIN | 2.2 | |||||
| UVLO Hysteresis | VUVLO_HYS | 200 | mV | |||
| RCB Idaabobo Trip Point | VT_RCB | VOUT - VIN | 50 | mV | ||
| Paramita | Aami | Ipo | Min. | Iru. | O pọju. | Ẹyọ |
| Itusilẹ Idaabobo RCB
Irin ajo Point |
VR_RCB | VIN – VOUT | 50 | mV | ||
| RCB Hysteresis | VRCB_HYS | 100 | mV | |||
| Idahun RCB aiyipada
Akoko(3) |
tRCB | VIN=5V, VEN=Gíga/Lọ́lẹ̀ | 2 | .s | ||
| lọwọlọwọ RCB | IRCB | VEN = 0 V, VOUT = 5.5 V | 7 | .A | ||
| Lile Lori-Lọwọlọwọ Idahun Akoko(3) |
HOCP |
Dede Lori-Lọwọlọwọ
Ipò, IOUT ≥ ILIM, VOUT=0 V |
2 |
.s |
||
| Lori-Lọwọlọwọ Idahun Time(3) |
lati OCP |
Dede Lori-Lọwọlọwọ
Ipo, IOUT ≥ ILIM, VOUT ≤ VIN |
25 |
.s |
||
| Lori-Lọwọlọwọ Flag
Akoko Idahun |
siOC_FLAG | Nigbati Olori-Lọwọlọwọ Waye
to Flag Nfa LOW |
8 | ms | ||
|
Gbona Tiipa |
TSD |
Tiipa Ala | 150 |
oC |
||
| Pada lati Tiipa | 130 | |||||
| Hysteresis | 20 | |||||
| Tan-On Idaduro | TDON |
VIN=5V, RL=100 Ω, CL=1 uF RSET=2000 Ω, TA=25oC |
0.8 |
ms |
||
| VOUT Dide Akoko | TR | 0.3 | ||||
| Tan-On Time | TON | 1.1 | ||||
| Pa idaduro | TDOFF | 10 |
.s |
|||
| VOUT Fall Time | TF | 270 | ||||
| Pa Aago | TOFF | 280 | ||||
| Tan-On Idaduro | TDON |
VIN=5 V, RL=3.8 Ω, CL=10 uF RSET=600 Ω, TA=-40 si 85oC |
0.8 |
ms |
||
| VOUT Dide Akoko | TR | 0.5 | ||||
| Tan-On Time | TON | 1.3 | ||||
| Pa idaduro | TDOFF | 10 |
.s |
|||
| VOUT Fall Time | TF | 230 | ||||
| Pa Aago | TOFF | 240 |
Paramita yii jẹ iṣeduro nipasẹ apẹrẹ.
Aworan atọka akoko 
Awọn abuda aṣoju
TA = 25oC, VIN = VEN = 5 V, CIN = 1 μF, COUT = 1 μF, ayafi bibẹẹkọ ti ṣe akiyesi. 
Ohun elo Alaye
Input Kapasito
Lati se idinwo awọn voltage ju silẹ lori ipese igbewọle ti o ṣẹlẹ nipasẹ awọn ṣiṣan in-rush tionkojalo nigbati iyipada ba wa ni titan, a nilo lati gbe kapasito laarin VIN ati GND. Awọn iye ti o ga julọ ti CIN le ṣee lo lati dinku voltage silẹ ni ga-lọwọlọwọ awọn ohun elo.
O wu kapasito
Agbejade kapasito nilo lati gbe laarin VOUT ati pinni GND. Awọn kapasito idilọwọ awọn parasitic ọkọ inductance lati muwon VOUT ni isalẹ GND nigbati awọn yipada wa ni titan. Awọn kapasito tun idilọwọ yiyipada inrush lọwọlọwọ lati kan voltage iwasoke ti o le ba awọn ẹrọ ni irú ti a kukuru VOUT.
Iroyin aṣiṣe
Lori wiwa ti lọwọlọwọ lọwọlọwọ, #OC_FLAG ṣe ifihan aṣiṣe naa nipa mimuuṣiṣẹ LOW.
Idiwọn lọwọlọwọ
Iwọn ti o wa lọwọlọwọ ṣe idaniloju pe lọwọlọwọ nipasẹ iyipada ko kọja iye ti o pọju ti o ṣeto, lakoko ti o ko ni idiwọn iye to kere julọ. Awọn lọwọlọwọ ni eyi ti awọn apa ká iye to wa ni adijositabulu nipasẹ yiyan ti awọn ita resistor ti a ti sopọ si ISET pin. Alaye fun yiyan resistor wa ni apakan ni isalẹ. Ẹrọ naa n ṣiṣẹ bi orisun igbagbogbo-lọwọlọwọ nigbati ẹru ba fa diẹ sii ju iye ti o pọju ti a ṣeto nipasẹ ẹrọ titi tiipa igbona yoo waye. Ẹrọ naa gba pada ti iwọn otutu ku ba lọ silẹ ni isalẹ ala.
Labẹ-Voltage Titiipa
Awọn Labẹ-Voltage Lockout (UVLO) pa a yipada ti o ba ti input voltage ṣubu ni isalẹ ẹnu-ọna titiipa. Pẹlu EN pin mu ṣiṣẹ, awọn input voltage nyara loke ala-ilẹ UVLO ṣe idasilẹ titiipa ati mu iyipada ṣiṣẹ.
Otitọ Yiyipada-Idilọwọ lọwọlọwọ
Ẹya ìdènà yiyipada-lọwọlọwọ n ṣe aabo fun orisun titẹ sii lodi si ṣiṣan lọwọlọwọ lati iṣelọpọ si igbewọle laibikita boya iyipada fifuye wa ni titan tabi rara.
Gbona Tiipa
Tiipa igbona ṣe aabo fun ku lati inu tabi ita ti ipilẹṣẹ iwọn otutu ti o pọju. Lakoko ipo iwọn otutu ju, iyipada naa wa ni pipa. Yipada laifọwọyi yoo tan lẹẹkansi ti iwọn otutu ti ku ba lọ silẹ ni isalẹ iwọn otutu ala.
Ṣiṣeto Iwọn lọwọlọwọ
Awọn ti isiyi iye to ti ṣeto pẹlu ohun ita resistor ti a ti sopọ laarin awọn ISET ati GND pinni.
Opin lọwọlọwọ jẹ iṣiro bi atẹle: 
Ifarada resistor ti 1% tabi kere si ni a ṣe iṣeduro
Table 6 Lọwọlọwọ iye to Eto nipa RSET
|
RSETΩ |
Min. Lọwọlọwọ
Opin (mA) |
Iru. Lọwọlọwọ
Opin (mA) |
O pọju. Lọwọlọwọ
Opin (mA) |
| 500 | 1700 | 2000 | 2300 |
| 571 | 1490 | 1750 | 2010 |
| 667 | 1275 | 1500 | 1725 |
| 800 | 1065 | 1250 | 1435 |
| 1000 | 850 | 1000 | 1150 |
| 1111 | 750 | 900 | 1050 |
| 1250 | 650 | 800 | 950 |
| 1429 | 550 | 700 | 850 |
| 1667 | 450 | 600 | 750 |
| 2000 | 350 | 500 | 650 |
Akiyesi: Awọn iye tabili da lori awọn resistors ifarada 1%.
Ilana Ilana
Fun iṣẹ ṣiṣe ti o dara julọ, gbogbo awọn itọpa nilo lati wa ni kukuru bi o ti ṣee. Lati jẹ imunadoko julọ julọ, titẹ sii ati awọn agbara iṣelọpọ nilo lati wa ni isunmọ si ẹrọ naa lati dinku ipa ti inductance itọpa parasitic le ni lori deede ati iṣẹ kukuru. Lilo awọn itọpa jakejado fun VIN, VOUT, GND ṣe iranlọwọ dinku awọn ipa itanna parasitic pẹlu ikọlu igbona-si-ibaramu.
Package Ìlapapọ Mefa 
|
Aami |
Awọn iwọn ni millimeters | ||
| Min. | Iru. | O pọju. | |
| A | 0.54 | 0.58 | 0.63 |
| A1 | 0.18 | 0.20 | 0.22 |
| A2 | 0.36 | 0.38 | 0.41 |
| A3 | 0.025 Ref. | ||
| D | 1.19 | 1.22 | 1.25 |
| E | 1.19 | 1.22 | 1.25 |
| b | 0.24 | 0.26 | 0.28 |
| e | 0.40 BSC | ||
Teepu Ati Reel Alaye 
4275 Burton wakọ Santa Clara, CA 95054 USA
Tẹli: + 1 408 567 3000 Faksi: + 1 408 567 3001 www.ovt.com
OMNIVISION ni ẹtọ lati ṣe awọn ayipada si awọn ọja wọn tabi lati da eyikeyi ọja tabi iṣẹ duro laisi akiyesi siwaju. OMNIVISION ati aami OMNIVISION jẹ aami-iṣowo tabi aami-iṣowo ti a forukọsilẹ ti OmniVision Technologies, Inc.
Gbogbo awọn aami-išowo miiran jẹ ohun-ini ti awọn oniwun wọn.
Awọn iwe aṣẹ / Awọn orisun
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OMNIVISION WS4694C Aworan sensọ [pdf] Afowoyi olumulo Aworan sensọ, Aworan, Sensọ, WS4694C |
