aluminum electrolytic capacitors specially designedfor led … · 2015-04-28 · aluminum...
TRANSCRIPT
Aluminum electrolytic capacitors specially designed for LED driver
---Ymin's professtional advantage comparing with Rubycon
Small Expert
www.sh-ymin.com
Yongming Electrolytic capacitor for LED Lighting in past 6 years,NO any quality and life issue.
Working life of yongming electrolytic capacitor in LED lighting:
Series LK LKF LKG LLK LKL
(High temperature)
Working life ≥10 years ≥15 years ≥20 years ≥30 years ≥10 years
-1-
Provide the most powerful life guarantee for LED
Small Expert
Yongming Electrolytic capacitor for LED Lighting in past 6 years,NO any quality and life issue.
Working life of yongming electrolytic capacitor in LED lighting:
Series LKM LKX LKZ
Working life ≥15 years ≥20 years ≥30years
-1-
Provide the most powerful life guarantee for LED
Small Expert
Question: Expecially in China Market, there are many problems in LED lamps in 2012 and 2013 such as life cannot meet the expected requirement, early failure rate is too high, because of that the capacitor quality cannot meet high requirement.
n Stability of LED driver is not enough at high temperature
n Reliability of LED driver and whole lamps is not enough
n Early failure rate of whole lamps is too high
n Life of whole lamps cannot meet the expected requirement
Present problems in LED lamps
-2-
Small Expert
City Power AC AC/DCRectification
Drive Control Power Conversion
LED Lighting
By-pass drive control
Input rectifying filtering Output rectifying filtering
n Smoothly rectify input voltagenAbsorb ripple current from rectification circuitnAbsorb ripple current from LED drive circuit
n Decreasing AC factor of DC currentn Inhibit stroboscopic phenomenan Keeping stable current with larger capacitance e-cap
n Ripple current control in by-passingn Output noise decreasen Smaller capacitance change in life and stably output controlnAccurate IC control and output filter capacitor charge decrease
E-Cap's function, position and performance requirementin LED driver circuit
ØE-Cap properties: High Voltage, High Temperature, Larger Ripple Current, Low ESR, Long Life,Mini size
ØE-Cap properties: High Stability, High Temperature, Long Life,Mini Size
ØE-Cap properties: Larger Capacitance, High Temperature, Larger Ripple Current,Low ESR, Long Life, Mini size
- 3-
Small Expert
Item CFL Electronic Ballast LED Power Supply
Temperature High(75℃~105℃) High(55℃~85℃) High(70℃~110℃) Low(45℃~65℃)
Ripple current High (≈20mA/W) High(≈15mA/W) High(≈15mA/W) Low(≈8mA/W)
High frequency Low impedance no requirement No special
requirement
High frequency low impedance
(decrease nois and inhibit strobscopic phenomena)
different requirement in different power supply
anti-overload ability too high:large ripple current、 over voltage
High:large ripple current
high:large ripple current、over voltage
low:circuit protection is good
anti-hydration ability(low voltage e-cap) no requirement High high(high temperature、
large ripple current) low
Life
CFL life:10000 hrs E-cap life:
105℃10000 hrs
Electronic ballast life:
30000H~80000H E-cap life:
105℃8000H~12000H
LED life:30000~80000 hrs
E-cap life:105℃10000~20000hrs
Complete machine life:50000~100000 hrs
E-cap life:105℃5000~8000hrs
Size
Big4.7μF/400V,
Φ10*20 105℃10000hrs
BigUse 450V capacitors
Small 4.7μF/400V,
Φ8*12,105℃10000hrs
Small4.7μF/400V,
Φ8*12,105℃5000hrs
Different capacitor requirement of CFL, Ballast,LED and Power supply
- 4-
Small Expert
All the problems in LED driver
—— are caused by the low stability and short life when small-sized capacitors works in a high temperature and large ripple current environment.
Because:
n Two weak points in capacitor maufacturers:
1. Previous capacitor manufacturers for CFL and electronic ballast don't have too much technological and production experience after miniaturization of capacitor, expecially in the requirement of enduring high temeprature & large ripple current and long life
2.Previous capacitor manufacturers for power supply are not familiar with the capacitor's performance in lighting,like the high temperature,large ripple current and high requirement of overload.
n The technology of LED driver comes from integration of two kinds of technology,one is lighting technology, another is power supply technology.
-5-
Small Expert
The confusion of LED lamp life
-6-
1
Small Expert
In LED lighting, YMIN is more professional than Japanese R company:
n The electrical properties are more stable at high temperature
n The early failure rate is less
n Working life is much longer
n The size is much smaller based on same specification and same life.
- 7-
Small Expert
üYMIN’s more professional solution-- 14 years’ lighting experience
üYMIN’s more professional solution -- Raw materials
üYMIN’s more professional solution -- Process, Equipment
üYMIN’s more professional solution – Quality control
üYMIN’s more professional solution-- Application test
üThe standard capacitor test comparison between YMIN and Japanese R company
YMIN Electrolytic Capacitors---Specially Designed for LED Lighting
-8-
Small Expert
invite international and domestic expert in capacitors area as our research and development consultant
Invite circuit design expert from lighting companies as our capacitor application consultant
Invite professional colleages in capacitor area like Shanghai Jiaotong University,Xi'an Jiaotong University as our technology support
R&D center consists of material basic research,structure research,process research and chemical research
Professional team for test approval on capacitor's reliability and application
üYMIN’s more professional solution-- 14 years’ lighting experience
2000-2002年
2003年
2004年
2009年
2010年
2012年
2013年
2014年
Capacitor Series Specially Designed For CFL and Electronic
ballast
Capacitor Series Specially Designed For LED(Low
Impedance)
NEW NEW
-9-
Small Expert
invite international and domestic expert in capacitors area as our research and development consultant
Invite circuit design expert from lighting companies as our capacitor application consultant
Invite professional colleages in capacitor area like Shanghai Jiaotong University,Xi'an Jiaotong University as our technology support
R&D center consists of material basic research,structure research,process research and chemical research
Professional team for test approval on capacitor's reliability and application
üYMIN’s more professional solution-- 14 years’ lighting experience
2015
-9-
Small Expert
• LKM NEW• 10V~500V• 2.2uF~6800uF• 105℃ 7000~10000hours Miniature large ripple current high frequency • Low ESR
• LKX NEW• 35DC~450VDC• 12uF~1000uF• 105℃ 7000~12000 hours Slim type horizontal installation large ripple current• High frequency
• LKZ NEW• 10V~500V• 2.2uF~6800uF• 105℃ long life large ripple current high frequency, low ESR
• LKJ NEW• 6.3V~100V• 0.47μF~ 3300μF 105 long life low ESR miniature product
Ø 14 years' experience in producing electrolytic capacitors for lightingØ 12 years ago, we developed our small-sized capacitors, these capacitors are mainly
used for small-sized long-life lamps of Philips,Osram, GE,Yankon,TCP,NVC.
Ø 7 years ago, we developed capacitors specially used for LED driver.
Ø The close cooperation with famous IC manufacturers such as PI,iWatt,NXP makes us know more about the capacitor performance and application requirement in LED driver circuit.
Ø We developed and applied 22 national patents for small-sized capacitors in enduring high temperature & large ripple current.
Ø Long-term test about realiability,stability at high temperautre and long life of capacitor used in LED indoor integration lamps. (including comparing test with international high-quality capacitors)
Double 85 test 100℃ approval test forLED driver
-10-
4.7uf/400V 10*20 4.7uf/400V 8*16
4.7uf/400V 8*16 4.7uf/400V 8*11.5
YMIN’s more professional solution-- 14 years’ lighting experienceSmall Expert
1.High purity and soft Annode foil(Japanese original foil)Advantage:Ø Less heat at large ripple currentØ Lower capacitance decrease after long workingØ Higher stability at high temperature
2.High purity, high amylopectin structure formula special electrolyte(Japanese main chemical materials)Advantage:Ø Less heat at large ripple currentØ Higher stability at high temperatureØ Higher hydration resisting ability,longer life
No hydration on surface of foil Hydration on surface of foil
Comparing test after 5000 Hrs
Comparing test after 5000 Hrs
-11-
YMIN’s more professional solution -- Raw materialsSmall Expert
3.Processed at high voltage,high purityDownlead(from Japanese company)Advantage:Ø Lower impedance and less heat at riveted point Ø Lower consumption of electrolyte in aging
processØ Reduce early failure rate,Increase capacitor life
4.Resin vulcanization butyl rubber,highsealing ability(from South Korea company)Advantage:Ø small consumption of electrolyte after long
working(high temperature\large ripple current)Ø Guarantee 105℃20000Hrs life in bad
environmentResin vulcanization
butyl rubbercommon rubber
Color oxide film on
surface of downlead
after voltage processing
Non-color oxide film on surface of normal downlead
YMIN’s more professional solution -- Raw materials
-12-
Small Expert
Patents riveting technology: high hardness,low ESR, high reliability and uniformity of products
22 patents: ZL 2008 1 0201051.5、 ZL 2007 1 0045270.4、 ZL 2008 1 0201050.0、ZL 2009 1 0196995.2、 ZL 2010 2 0657951.3、 ZL 2008 2 0153684.9 ......
downlead
Riveting Point
-13-
YMIN’s more professional solution -- Raw materialsSmall Expert
Aging separately Super High TemperatureMulti-voltage Aging Technology
Good uniformity High stability Good stability at high temperatureHigh anti-overload ability Low early failure rate
YMIN’s more professional solution -- Process, Equipment
-14-
Small Expert
YMIN Cpk value larger than1.67Other company Cpk value larger than 1.33
DF
Lc
Other company Cpk value larger than1.33 YMIN Cpk value larger than 1.67
Significantly improve product consistency
YMIN’s more professional solution – Quality control
-15-
Small Expert
LED Double 85 testTemperature:85℃±2℃Humidity:85%±10%
YMIN’s more professional solution-- Application test
LED driver test at 100 ℃Temperature:100℃±2℃
Test the product's performance in the practical application
-16-
Small Expert
The standard capacitor test comparison between YMIN and Japanese R company
Test condition:Temperature:130℃, DC Voltage: 47.6V ; Ripple Current: 900mA; Frequency: 120Hz
Test time(Hrs)Test time(Hrs)
Capacitance-Test time curve Dissipation factor(tanδ)-Test time curve
(tanδ%)
-17-
Small Expert
(μF)
Test condition:Temperature:130℃, DC Voltage: 96.4V ; Ripple Current: 770mA; Frequency: 120Hz
Test time(Hrs)Test time(Hrs)
Capacitance-Test time curve Dissipation factor(tanδ)-Test time curve
(tanδ%)
-18-
The standard capacitor test comparison between YMIN and Japanese R company
(μF)
Small Expert
Test condition:Temperature:125℃, DC Voltage: 361.2V ; Ripple Current: 140mA; Frequency: 120Hz
Test time(Hrs)Test time(Hrs)
Capacitance-Test time curve Dissipation factor(tanδ)-Test time curve
(tanδ%)
-19-
The standard capacitor test comparison between YMIN and Japanese R company
(μF)
Small Expert
We can:
Ø greatly improve the stability of LED driver at high temperatureØ greatly improve reliability of LED driver and whole lampØ reduce early failure rate of whole lampØ greatly increase the life of whole lamp
Make the electrolytic capacitors not be the weakest point in LED driver
-20-
Small Expert
Specification
Ymin product R Company product
Size ΦD×L
Ripple current
mA.r.m.s./130℃,100KHz
Rated working life (Hrs)
Size ΦD×L
Ripple current
mA.r.m.s./130℃,100KHz
Rated working life (Hrs)
330μF/25V 130℃ Φ10×12.5 650 3000 Φ10×12.5 620 2000
470μF/50V 130℃ Φ12.5×20 1050 5000 Φ12.5×25 1200 4000
220μF/100V 130℃ Φ16×25 1155 5000 Φ16×25 1100 4000
6.8μF/200V 130℃ Φ8×9 117 3000 Φ8×11.5 130 2000
1.8μF/400V 130℃ Φ8×9 68 3000 Φ8×11.5 75 2000
6.8μF/400V 105℃ Φ10×12.5 280 12000 Φ10×16 280 10000
Comparing table of some capacitor values between YMIN company and R company
-21-
Small Expert
Add Your Title
-22-
Small Expert
Item Solutions of Ymin Solutions of R
Design
Product series:special series used for LED driver Product series: general purpose
Specification: 160V - 450V products are designed for high frequency and low ESR requirement,this is used to solve ripple current at high frequency, eg: 4.7uF/400V 8*11 LKF, ESR < 7 at 10 K Hz.
not clear about their solution
Size: YMIN developed size of which height is 7mm, 9mm and 50mmin order to solve the limit of space and height in LED
eg:100uf/16V LK 8K hrs 8*7mm 3.3uf/400V LKF 10K hrs 8*9mm68uf/250V LKG 12k hrs 8*50mm ( designed for T4 , T5)
No special solution in their suggested series.
Material
high formed voltage(7V)in cathode foil to solve the large ripple current through cathode no special solution
Rubber: special IIR(Resin curing temperature)this is used for super long life LED ( 80K to 100K hrs),
our series is: LKG,LLK,LKLno special solution
Technology
Patent technology: pre-punched hole,in order to increase reliability and stability of LED at super high temperature no special solution
aging technology at 115℃ and multi-voltage( 105℃ series)in order to increase reliability and stability of LED at super high temperature no special solution
Installation type
We can produce SMD capacitors for the diameter less than 10mm in all series to bulk production requirement no special solution
TestVerification
LED driver: double 85 test for 3000 hrstemperature: 85℃, humidity: 85% not quite clear about
their testLED driver: 3000 hrs' test at normal temperature
test at super high temperature 115℃ 125℃
Much more professional than R company (in LED driver)
Series suggestion for LED driver
-23-
Small Expert
Series FeaturesSpecification Description
ApplicationTemperature and Life Capacitance Voltage Diameter(mm) Life
LK7 Super small size series,the height is only 7mm
105℃4000~ 6000 hrs 2.2μF~220μF 6.3~400V
Φ5 4000 hrsDesigned for
super small LEDΦ6.3 5000 hrs
Φ8 ,Φ10 6000 hrs
LK Small size series,high frequency low ESR30000 hours LED life guarantee at 80℃
105 ℃6000~ 8000 hrs 0.47μF~10000μF 10~ 450V
Φ5,Φ6.3 6000 hrs Designed for
economical LED≥φ8 8000 hrs
LKF Standard series, high frequency low ESR50000 hours LED life guarantee at 80℃
105 ℃7000~ 10000 hrs 0.47μF~4700μF 10~ 500V
Φ5 7000 hrsDesigned for standard LED
Φ6.3 9000 hrs≥Φ8 10000 hrs
LKGLong life series, high frequency low ESR80000 hours LED life guarantee at 80℃ 105 ℃
8000~ 12000 hrs 0.47μF~4700μF10~ 100V
Φ5 8000 hrs
Designed forlong life LED
Φ6.3 10000 hrs≥Φ8 12000 hrs
160~ 500VΦ5,Φ6.3 10000 hrs
≥Φ8 12000 hrs
LKL High temperature series, LED working environment can reach more than 100℃
130℃2000~5000 hrs 0.47μF~4700μF
10~ 100VΦ6.3 2000 hrs
Designed forhigh temperature
LED
Φ8 ,Φ10 3000 hrs≥Φ12.5 5000 hrs
200~ 450VΦ6.3 2000 hrsΦ8 3000 hrs
≥Φ10 5000 hrs
LLK Super long life series,LED working environment can reach 90℃ to 100℃
105℃12000~20000 hrs 1μF~68μF 160~ 450V
6.3×11 ,8×9 ,10×9 12000 hrs
Designed forsuper long life
LED
8×11.5 ,10×12.5 15000 hrs
10×16,10×20,10×23, ≥Φ12.5 20000 hrs
SMD TypeSMD capacitors
Specially designed for LED bulk and automatic production, cover all the life, capacitance and size range of above mentioned radial capacitorsFirst company that develops SMD capacitors for LED
Series suggestion for LED driver
-23-
Small Expert
Series FeaturesSpecification Description
ApplicationTemperature and Life Capacitance Voltage Diameter(mm) Life
LKM Small size large ripple currentHigh frequency low ESR
105℃7000~ 10000 hrs 0.47μF~4700μF 10-500V
Φ5 7000 hrs
Designed for super small LED
Φ6.3 9000 hrs
Φ8 10000 hrs
LKX Small size series,high frequency low ESR7000-12000hours LED life guarantee
105 ℃7000~ 12000 hrs 12μF~1800μF 35~ 450V
Φ6.3 7000 hrs
Designed for economical LED
≥φ8 12000 hrs
LKZ Standard series, high frequency low ESR12000-15000 hours LED life guarantee
105 ℃12000~ 15000 hrs 2.2μF~6800μF 10~ 500V
Φ8 12000 hrs
Designed for standard LED
Φ10 12000 hrs
≥Φ12.5 15000 hrs
LKJ
Specially designed for smart energy meterLong life low ESR miniature product 105 ℃
4000~ 10000 hrs 0.47μF~15000μF
6.3~ 10WVΦ5 4000 hrs
Designed forlong life LED
Φ6.3 6000 hrs≥Φ8 8000 hrs
160~ 500V
Φ5,Φ6.3 6000 hrs
≥Φ8 10000 hrs
Add Your Title
Philosophy
n Happyn Diligentn Honestn Grown Harvest
Culture
Progresslittle by little & day by day
Mission Value
n Creat value for customersn Benefit our
employees n Contribute
to society
n Produce products trusted by customers
nMake the team respected by society
Company Introduction
-24-
Small Expert
n Established time:2001n Address: Shanghain Staff:370 eemployeesn Floor area:40,000㎡n Registered capital: 15million RMBn Enterprise nature:manufacturing enterprisen Main business: produce aluminum electrolytic capacitors for LED,CFL and electronic
ballast
Enterprise certification:2003 "ISO9001"2006 "Shanghai high & new technology enterprise"2007 "Shanghai key & new products certification"2008 "National high & new technology enterprise
certification"2010 "Shanghai brand products certification"2010 "Shanghai AAA credit grade"2011 "National key & new products certification"2012 "ISO14001"2012 "OSAHA18000"
Product certification:RoHSREACHPFOSPAHS 6 invention patents13 utility model patentsReliable test approved by reliability research & analysis center of Chinese Saibao Laboratory(the fifth electronic research institute of industry and information ministry)
-25-
Company IntroductionSmall Expert
Main Customers
LED LED LED LED
LED LED LED LED
LED LED LED LED
-26-
Small Expert
Thank You!Megary GaoShanghai Yongming Electronic Co.,LTD.--------------------------------------------------------------------------------------Add: No.258,Guangcun Road, Nanqiao Town, Fengxian District,Shanghai. P c : 201406China mobile : +86-15021677948India mobile : +91-8860887569E-mail: [email protected]************************************************************The most professional capacitors designed for LED 32 key technology patents in LED capacitor 14 years' experience in super-mini size for long-life lightingDirect replacement of Japanese high-quality capacitors The most advanced technology to solve the weakest point for LED life************************************************************
Small Expert