OMNIVISION WS4694C ihe mmetụta onyonyo 
Nkọwa
WS4694C bụ obere RON dị ala, otu ọwa na-ebu ibu nke nwere ọnụ ọgụgụ ogbugbu a na-achịkwa. Ngwaọrụ na-arụ ọrụ n'elu ntinye voltage nso nke 2.6 V ruo 5.5 V. Ngwaọrụ na-akwado oke ugbu a site na 0.05 A ruo 2 A.
Oge ịrị elu nke ngwaọrụ a na-achịkwa nke ukwuu na-ebelata inrush ugbu a site na ikike ibu nnukwu ibu, si otú a belata ma ọ bụ wepụ ike ọkọnọ. WS4694C nwere ọrụ Ezi Reverse-Current Blocking (TRCB) nke na-egbochi mgbanwe mgbanwe a na-achọghị site na VOUT gaa na VIN n'oge steeti ON na OFF. A haziri obere nha na ngwaọrụ RON dị ala maka ngwa nwere batrị nwere ohere. Ntinye obosara voltage nso nke mgba ọkụ na-eme ka ọ bụrụ ngwọta dị iche iche maka ọtụtụ volta dị iche ichetage okporo ígwè.
WS4694C dị na ngwugwu CSP-9L. Ngwaahịa ọkọlọtọ enweghị Pb na enweghị Halogen.
Atụmatụ
- Ntinye Voltage Oke: 2.6 V ~ 5.5 V
- Ntụle zuru oke na VOUT: 28 V
- Mpụta kacha ugbu a: 2.0 A
- Oke ngbanwe ugbu a: 0.05 A ~ 2.0 A
1 A ~ 2.0 A nwere 15% ziri ezi - Ezi Ntuchi-Ugbu a (TRCB)
- N'okpuru-Voltage Mkpọchi na ikpo ọkụ
- CSP-9L
Ozi ịtụ
Tebụl 1
| Ngwaọrụ | ngwugwu | Mbupu |
| WS4694C-9/TR | CSP-9L | 3000/Reel&Tepe |
Ngwa
- Ekwentị Smart, PC mbadamba
- Nchekwa, DSLR na ngwaọrụ ndị ọzọ enwere ike ibugharị
Ozi Pin 
Tebụl 2
| Ntụtụ | Akara | Nkọwa |
| A3, B3 | Mpụ | Ntụtụ mmepụta |
| A1, B1 | IN | Ntinye pin |
| A2, B2 | GND | Ala |
| C3 | EN | Ntinye njikwa ngbanwu/ gbanyụọ: HIGH na-arụ ọrụ |
| C2 | ISET | Ntinye ntinye oke ugbu a: Onye resistor si ISET gaa n'ala na-edobe ihe
oke ugbu a maka mgba ọkụ. |
|
C1 |
#OCFLAG |
Mmepụta mmejọ: LOW na-arụ ọrụ, mmepụta mmiri mepere emepe nke na-egosi ntinye karịa ugbu a. Achọrọ ihe mgbochi ndọpụ na mpụga VDD. |
Ihe Ngosi 
Ngwa a na-ahụkarị 
Oke kacha oke
Ndị a bụ naanị ọkwa nrụgide. Nchegbu gafere oke nke akọwapụtara na Tebụl 3 nwere ike ibute nnukwu mmebi na ngwaọrụ. Arụ ọrụ nke ngwaọrụ na ọnọdụ ndị ọzọ karịa nke edepụtara na nkọwapụta apụtaghị. Mkpughe ogologo oge na ọnọdụ oke oke nwere ike imetụta ntụkwasị obi ngwaọrụ.
Tebụl 3
| Oke | Akara | Min. | Oke. | Nkeji |
| VOUT gaa GND, VOUT gaa VIN | Mpụ | -0.3 | 28 | V |
| Ntụnye ndị ọzọ na GND | IN, EN, ISET, #OCFLAG | -0.3 | 6 | V |
| Mgbanwe na-aga n'ihu ugbu a（1） |
ISW |
2.3 |
A |
|
| Okpomọkụ Junction na-arụ ọrụ | TJ | -40 | 150 | oC |
| Oke Okpomọkụ Nchekwa | NSB | -65 | 150 | oC |
| Okpomọkụ ndu | TL | 260 | oC | |
|
Ogo ESD |
HBM | 5 | kV | |
| CDM | 2 | kV | ||
| Mgbasa ikuku (VIN, VOUT ka GND) | 15 | kV | ||
| Mgbasa kọntaktị (VIN, VOUT ka GND) | 8 | kV | ||
Okpomọkụ nkwụsị kacha elu = 85°C
Kwado ọkwa arụmọrụ
Tebụl na-esonụ na-akọwapụta ọnọdụ maka ịrụ ọrụ ngwaọrụ n'ezie. A na-akọwapụta ọnọdụ ọrụ akwadoro iji hụ na arụmọrụ kacha mma na nkọwapụta data mpempe akwụkwọ.
Tebụl 4
| Oke | Akara | Min. | Oke. | Nkeji |
| Tụkwasịnụ Voltage | VIN | 2.6 | 5.5 | V |
| Pin ndị ọzọ | EN, ISET, #OCFLAG | 2.5 | 5.5 | V |
| Okpomọkụ gburugburu na-arụ ọrụ | TA | -40 | 85 | oC |
| Nguzogide okpomọkụ, RθJA (CSP-9L)（2） | RỊJA | 110 | oC/W | |
N'elu elu mounted na FR-4 Board iji 2 oz, 1 square inch Cu mpaghara, PCB osisi size 1.5*1.5 square sentimita.
Àgwà ọkụ eletrik
TA = -40 ruo + 85 ° C, VIN = 2.6 ruo 5.5 V, Ụkpụrụ a na-ahụkarị dị na VIN = 5 V na TA = 25oC, ma ọ bụrụ na edeghị ya ọzọ.
Tebụl 5
| Oke | Akara | Ọnọdụ | Min. | Ụdị. | Oke. | Nkeji |
| Isi ọrụ | ||||||
| Ntinye Voltage | VIN | 2.6 | 5.5 | V | ||
| Quiescent dị ugbu a | IQ | VIN = VEN, VOUT = Mepee,
TA=25oC |
80 | 150 | .A | |
| Mmechi ugbu a | ISD | VIN=5.5V, VOUT=0V,
VEN=GND |
0.1 | .A | ||
| Gbanyụọ Ọsọ ugbu a | IQ(gbanyụọ) | VEN=GND, VOUT=Oghere | 1 | .A | ||
|
Na Nguzogide |
RON |
VIN = VEN = 5 V, IOUT = 1 A,
TA=25oC |
75 | 100 |
mΩ |
|
| VIN = VEN = 3.7 V, IOUT = 1 A,
TA=25oC |
85 | 105 | ||||
| EN Logic High Voltage | VIH | VIN = 5 V, IOUT = 0.1 A | 1.1 | V | ||
| EN Logic Low Voltage | VIL | VIN = 5 V, IOUT = 0.1 A | 0.4 | V | ||
| #OCFLAG Mmepụta Logic Low Voltage |
VIL_FLAG |
VIN=5V, ISINK=10mA | 0.1 | 0.2 | V | |
| VIN=2.6V, ISINK=10mA | 0.15 | 0.3 | V | |||
| # OCFLAG mmepụta mgbagha
Ọpụpụ dị elu ugbu a |
IFLAG_LK | VIN=5V, gbanye | 0.1 | 1 | .A | |
| Ntinye ntinye EN | ION | VEN = 0 V na VIN | 1 | .A | ||
| Mgbochi ịdọrọ-ala na
EN Pin |
REN_PD | VIN = 2.6 ~ 5.5 V, VEN = Elu
TA = –40 ruo 85 oC |
14 | MM | ||
| N'elu-Voltage Nchedo | ||||||
|
Mkpọchi OVP |
VOV_TRIP |
VOUT ebili elu | 5.5 | 5.8 | 6 |
V |
| Oke ọdịda VOUT | 5.5 | |||||
| Mpụta OVP Hysteresis | UTHYS | 0.3 | V | |||
|
Oge nzaghachi OVP(3) |
tOVP |
IOUT=0.5 A, CL=1 µF,
TA=25oC, VOUT site na 5.5V ruo 6.0 V |
1 |
4 |
Ugochukwu |
|
| N'elu-Ugbu Nchedo | ||||||
|
Oke ugbu a |
ILIM |
VIN = VEN = 5 V, RSET = 1000 Ω | 850 | 1000 | 1150 |
mA |
| VIN = VEN = 5 V, RSET = 500 Ω | 1700 | 2000 | 2300 | |||
|
N'okpuru-Voltage Mkpọchi |
VUVLO |
VIN na-abawanye | 2.4 |
V |
||
| VIN na-ebelata | 2.2 | |||||
| UVLO Hysteresis | VUVLO_HYS | 200 | mV | |||
| Ebe nchekwa njem RCB | VT_RCB | VOUT - VIN | 50 | mV | ||
| Oke | Akara | Ọnọdụ | Min. | Ụdị. | Oke. | Nkeji |
| Mwepụta Nchedo RCB
Ebe njem |
VR_RCB | VIN - VUT | 50 | mV | ||
| RCB Hysteresis | VRCB_HYS | 100 | mV | |||
| Nzaghachi RCB ezighi ezi
Oge(3) |
tRCB | VIN = 5 V, VEN = Elu / Ala | 2 | Ugochukwu | ||
| RCB dị ugbu a | IRCB | VEN=0V, VOUT=5.5V | 7 | .A | ||
| Oge nzaghachi siri ike karịa ugbu a(3) |
HOCP |
Na-agafeghị oke ugbu a
Ọnọdụ, IOUT ≥ ILIM, VOUT=0 V |
2 |
Ugochukwu |
||
| Oge nzaghachi n'ofe ugbu a(3) |
na OCP |
Na-agafeghị oke ugbu a
Ọnọdụ, IOUT ≥ ILIM, VOUT ≤ VIN |
25 |
Ugochukwu |
||
| Ọkọlọtọ gafere ugbu a
Oge nzaghachi |
toOC_FLAG | Mgbe ihe karịrị-Ugbu a na-eme
ka ọkọlọtọ dọkpụrụ ala |
8 | ms | ||
|
Mkpuchi ọkụ |
TSD |
Ọnụ ụzọ emechi | 150 |
oC |
||
| Si na Nkwuchi lọta | 130 | |||||
| Hysteresis | 20 | |||||
| Gbanwuo oge | TDON |
VIN=5 V, RL=100 Ω, CL=1 uF RSET=2000 Ω, TA=25oC |
0.8 |
ms |
||
| Oge ịrị elu VOUT | TR | 0.3 | ||||
| Oge ntụgharị | TON | 1.1 | ||||
| Gbanyụọ igbu oge | TDOFF | 10 |
Ugochukwu |
|||
| Oge ọdịda VOUT | TF | 270 | ||||
| Oge nkwụsị | TOFF | 280 | ||||
| Gbanwuo oge | TDON |
VIN=5 V, RL=3.8 Ω, CL=10 uF RSET=600 Ω, TA=-40 ruo 85oC |
0.8 |
ms |
||
| Oge ịrị elu VOUT | TR | 0.5 | ||||
| Oge ntụgharị | TON | 1.3 | ||||
| Gbanyụọ igbu oge | TDOFF | 10 |
Ugochukwu |
|||
| Oge ọdịda VOUT | TF | 230 | ||||
| Oge nkwụsị | TOFF | 240 |
Emebere oke a site na imewe.
Eserese oge 
Njiri mara
TA = 25oC, VIN = VEN = 5 V, CIN = 1 μF, COUT = 1 μF, ma ọ bụrụ na edeghị ya ọzọ. 
Ozi ngwa
Ntinye Capacitor
Iji kpachie voltage dobe na ntinye ntinye nke mmiri na-agafe agafe na-eme mgbe mgba ọkụ na-agbanye, ọ dị mkpa ka etinye capacitor n'etiti VIN na GND. Enwere ike iji ọnụ ahịa dị elu nke CIN iji belata voltage dobe na ngwa dị elu ugbu a.
Capacitor mmepụta
Ekwesịrị idowe ihe nrụpụta ihe n'etiti VOUT na pin GND. The capacitor na-egbochi inductance bọọdụ parasitic ịmanye VOUT n'okpuru GND mgbe mgba ọkụ na-agbanye. The capacitor na-egbochikwa azụ inrush ugbu a site na voltage spike nke nwere ike imebi ngwaọrụ n'ihe gbasara VOUT mkpụmkpụ.
Mkpesa mmejọ
Mgbe achọpụtara ihe karịrị ugbu a, #OC_FLAG na-egosi mmejọ ahụ site na ịgbalite LOW.
Mmachi ugbu a
Oke dị ugbu a na-eme ka o doo anya na nke dị ugbu a site na ngbanwe adịghị agafe oke setịpụrụ, ma ọ bụghị na-amachi uru kacha nta. Ihe dị ugbu a nke enwere ike ịhazi oke akụkụ ahụ site na nhọrọ nke resistor mpụga ejikọrọ na pin ISET. A na-ahụ ozi maka ịhọrọ resistor na ngalaba dị n'okpuru. Ngwaọrụ na-arụ ọrụ dị ka isi iyi na-adị ugbu a mgbe ibu ahụ na-adọta karịa uru kachasị nke ngwaọrụ setịpụrụ ruo mgbe nkwụsị ọkụ ga-apụta. Ngwaọrụ ahụ na-agbake ma ọ bụrụ na okpomọkụ anwụ dara n'okpuru ọnụ ụzọ.
N'okpuru-Voltage Mkpọchi
The Under-Voltage Lockout (UVLO) na-agbanyụ ọkụ ma ọ bụrụ na ntinye voltage na-ada n'okpuru ebe mkpọchi. N'iji pin EN arụ ọrụ, ntinye voltage na-ebili n'elu ọnụ ụzọ UVLO na-ewepụta mkpọchi ma mee ka mgba ọkụ ahụ nwee ike.
Ezi Ntugharị-Mgbochi ugbu a
Ezigbo ihe mgbochi azụ azụ na-echebe isi iyi nke ntinye site na ntinye ugbu a site na mmepụta gaa na ntinye n'agbanyeghị ma mgba ọkụ ibu agbanyere ma ọ bụ na ọ bụghị.
Mkpuchi ọkụ
Mkpuchi ọkụ na-echebe ọnwụ site n'ime ma ọ bụ n'èzí na-ebute oke okpomọkụ. N'oge ọnọdụ oke okpomọkụ, a na-agbanyụ ọkụ. Mgbanwe ahụ na-agbanye ọzọ na-akpaghị aka ma ọ bụrụ na ọnọdụ okpomọkụ nke anwụ na-adaba n'okpuru ọnọdụ okpomọkụ.
Isetịpụ itgba Ugbu A
Etinyere oke ugbu a yana ihe mgbochi mpụga jikọtara n'etiti pin ISET na GND.
A na-agbakọ oke dị ugbu a dịka ndị a: 
A na-atụ aro nnabata resistor nke 1% ma ọ bụ obere
Tebụl 6 Ntọala oke dị ugbu a site na RSET
|
RSETΩ |
Min. Ugbu a
Oke (mA) |
Ụdị. Ugbu a
Oke (mA) |
Oke. Ugbu a
Oke (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 |
Mara: Ụkpụrụ tebụl dabere na 1% resistors nke ndidi.
Ntuziaka nhazi
Maka ịrụ ọrụ kacha mma, akara niile kwesịrị ịdị mkpụmkpụ dịka enwere ike. Ka ọ bụrụ nke kachasị dị irè, ọ dị mkpa idowe ihe ntinye na mmepụta capacitors nso na ngwaọrụ iji belata mmetụta inductance trace parasitic nwere ike inwe na ọrụ nkịtị na nke dị mkpụmkpụ. Iji trace sara mbara maka VIN, VOUT, GND na-enyere aka ibelata mmetụta eletriki parasitic yana ihe mgbochi ọkụ na-ahụ maka ihe na-eme gburugburu.
Akụkụ nkọwa ngwugwu 
|
Akara |
Akụkụ na millimeters | ||
| Min. | Ụdị. | Oke. | |
| 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 | ||
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Akwụkwọ / akụrụngwa
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OMNIVISION WS4694C ihe mmetụta onyonyo [pdf] Akwụkwọ ntuziaka onye ọrụ Ihe mmetụta onyonyo, onyonyo, ihe mmetụta, WS4694C |
