无频闪LED驱动电源IC方案

无频闪单级高PFC,LED驱动电源IC方案

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itnRipple Remover SolutionedifnoHI-SEMICON C无频闪方案

nocim联系人：何先生　　电话：１３５　１０５５　７９２１　／　１３５　５６６７　９６７０eS-iH

无频闪单级高PFC,LED驱动电源IC方案

PF Requirement in EU

ERPStandard：EU No. 1194/2012P<2W, N/A2W<P<5W, PF>0.4

5W<P<25W, PF>0.5P>25W, PF>0.9

meSActive Power Factor Correction Circuit is the only solution-iH对25W以上灯具，有源功率因数校正是唯一的解决办法。

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无频闪单级高PFC,LED驱动电源IC方案

PF Requirement in US

DoEEnergy Star

Residential LED lighting >5W：PF > 0.7Commercial LEDlighting：PF>0.9

Active Power Factor Correction Circuit is the only solution

meS-i对商业用灯具，有源功率因数校正是唯一的解决办法。

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无频闪单级高PFC,LED驱动电源IC方案

Impact from High PF (>0.9)iLEDFlyback PFC AC0

m e S i由于PFC的低带宽特性，输出电压纹波很大，导致高电流纹波。HHi-Semicon Confidential4

Because of the low bandwidth of PFC circuit, the output voltage ripple and output current have big ripple.

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无频闪单级高PFC,LED驱动电源IC方案

Hot-Plug220Vac input,Output:40V460mA, Output Capcitance: 330uF/63V*2

Overshoot to 5.6A

When the LED is hot plugged in, there is a big current overshoot, which could damage the LED lamp.

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灯接入时，输出电容对灯瞬时有大电流冲击，极易损坏灯具。Hi-Semicon Confidential5

无频闪单级高PFC,LED驱动电源IC方案

Existing No-ripple Solution--- Two-StageFlyback AC Boost PFC

Flyback PFC AC

m e S i H Higher BOM Cost!两级方案的成本很高！

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HV(~60V) Buck LED Driver

Hi-Semicon Confidential

无频闪单级高PFC,LED驱动电源IC方案

Hi-Semicon Solution ---自适应线性电流源iLED

Flyback PFC AC

0

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Features:

1.去除100/120Hz电流纹波 2.自动调节输出电流和前级匹配 3.无额外电感,电容 4.无开关，无EMI噪声 5.支持热插拔

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Adaptive Linear Regulator

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Hi-Semicon Confidential

无频闪单级高PFC,LED驱动电源IC方案

灵活的设计

On the Driver Board

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Assembled with the lamp

Independent module

无频闪单级高PFC,LED驱动电源IC方案

Experimental Results (I) ---Remove Ripple

iLED

VLED(AC)

Current Ripple: 55.6%

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Current Ripple: 1.8%

无频闪单级高PFC,LED驱动电源IC方案

Experimental Results (II) --- Hot PlugJW1231 hot plug protectionTest condition:Front-end circuit(JW1600) Input:220Vac Output:40V460mA Output capacitance:330uF/63V*2

Overshoot to 5.6A

m e S i HHi-Semicon Confidential

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Current limit at 1.7A

无频闪单级高PFC,LED驱动电源IC方案

EMI Friendly Conducted EMI——220VAC InputCISPR15 lamp ENV216 Voltage with 2-Line-LISN 120 110 100 90 80 Level in dBμ 70 60 50 40 30 20 10 0 9k 20k 30k 50k 100k

Radiated EMI——220VAC Input

CISPR15 Voltage o

n Mains QP CISPR15 Voltage on Mains AV

200k300k 500k

Frequency in Hz

m e S i No H Impact to EMI performance1M 2M 3M 5M 10M 20M 30M

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不增加额外的EMI成本

Hi-Semicon Confidential

无频闪单级高PFC,LED驱动电源IC方案

Cost Comparison (I)Adaptive Linear Regulator Buck Converter

Current ripple

Component Qty.

Cost

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Joulwatt<3%

Buck<3% 8-10(including L, Diode and Cap)

50% lower

High12

Hi-Semicon Confidential

无频闪单级高PFC,LED驱动电源IC方案

Cost Comparison (II)Flyback AC Boost PFC

AC

Flyback PFC

Components Qty. Current ripple Cost

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自适应线性电流源

Boost PFC+ Flyabck~70<3% High

Flyback+ JW1210 46<3% 25% lower

Hi-Semicon Confidential

无频闪单级高PFC,LED驱动电源IC方案

联系人：何先生电话：135 1055 7921/ 135 5667 9670完整的方案体系Product LED Number voltage (V) JW1210 JW1231 JW1230 JW1220 9-60V 9-60V 9-60V Iout (A) 0.35 0.50 1 PACKAGE

Up to 200V

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eSOP8& TO2205L

eSOP8& TO2525L TO252-5L SOT23-6

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Integrated MOS Y Y Y N

Up to 5A

Hi-Semicon Confidential

无频闪单级高PFC,LED驱动电源IC方案

Concept Extension---No E-cap

Conventional E-cap solution vs. Hi-semicon solution

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电容不再是整灯寿命

的瓶颈

无频闪单级高PFC,LED驱动电源IC方案

Joulwatt LEDDriver Solutions

PSR +PFC:

Controller ---JW1600

MOSFET integrated ---JW1650B/C

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