Monolithic Power Systems® MPS Lighting Solutions Dr. Frank Ren Oct. 2012 Use standard MPS title page (wafer picture).

Lighting Lighting Market TAM WLED FL (IC based) Indoor Outdoor 120M sets in 2011 Outdoor 1200K sets in China 2011

MPS Indoor Lighting Solution Glance P<=7W Application Non-dimmable Non-PFC P<=7W MP4034 MP15X P>7W MP4000/1 Non-dimmable PFC Under development MP4021A MP4051 Dimmable PFC MP4032-1 MP4030 GU10 Down light Desk Lamp 22W PAR38 15W Down light Ballast

Non-Dimming, Non-PFC PSR

Non-Dimmable Non-PFC LED Driver --- MP4034 Flyback Regulator Application Key Features CC tolerance: +-6% (Over entire temperature and Vin) Internal 700V MOSFET HV current source  No Startup Resistors Rich Protections: OVP, OCP, OTP & VCC UVLO Total BOM Cost: <=￥3.50

Design Example --- GU10 Specification Input: 85V – 265V AC, Output: 40V/150mA (6W)

Non-Dimmable Non-PFC LED Driver --- MP15X Family Regulator Application Key Features Industry first SOT23-5 package with HV MOS integrated HV current source  No Startup Resistors High Side configuration makes OVP and Low voltage output cap feasible OVP

Design Example --- Candle Light Specification Input: 85V – 265V AC, Output: 24V/100mA Line Regulation -0.50% -0.25% 0.00% 0.25% 0.50% 85 130 175 220 265 Vin(Vac) Ta=22.6 deg C Ta=85 deg C

Non-Dimming PFC + PSR

Industrial First PSR + PFC Non-Dimmable LED Driver with PFC --- MP4021A Industrial First PSR + PFC

Design Example --- MP4021A for T8 Driver board LED Specification Input: 90-264Vac, PF>0.9 Output: 38V / 19W L*W*H=255mm*18mm*10mm Line & Load Regulation <+-3% Efficiency >87%

MP4051 High-Side Buck-Boost Solution Rsense IDiode = ILED Very Good Line & Load Regulation Spec: VIN=85VAC~265VAC, VOUT=200V~300V, ILED=80mA Transformer: EE19, LP=1.5mH, NP:NAUX=174:14 L * W * H = 87mm * 39mm * 22mm

Regulation and Efficiency Line & Load Regulation <+-1.2%

Line & Load Regulation <+-1.0% MP4051 High-Side Buck PFC Converter Input: 85V – 265V AC, Output: 40V/150mA (6W) 30 components for Buck PFC and LED Driver Rsense Efficiency > 86.5% Line & Load Regulation <+-1.0%

MP4051 Low-Side Buck-Boost PFC Converter VIN=85-265VAC, VOUT=100V, ILED=40mA Inductor: EE10, L=3.4mH, NP: NAUX =280:56

Dimming + PFC +PSR

Dimmable LED Driver Controller --- MP4030 Key Features Good Dimmer Compatibility Fast Start Up (<0.5s) Good Line Regulation (<+-1.5%) High PF and Low THD Meet EN61000-3-2 standard Rich Protections SCP, OVP, OTP, Cycle-by-cycle current limit General lighting, industry lighting, automotive lighting

MP4030 PAR20 Solution @ VIN=120VAC Design Example: MP4030 PAR20 Solution @ VIN=120VAC Spec: VIN=108VAC~132VAC / 60Hz, VOUT=21V, ILED=350mA, Triac Dimmable Transformer: RM6, LP=1.92mH, NP:NS:NAUX=82:16:19 PAR20 L * W * H = 63mm * 34mm * 23mm

Dimming Curve Dimming Curve of MP4030 0.27mA Test condition: VIN=120VAC/60Hz, with different TRIAC dimmers Dimming Curve of MP4030 50 100 150 200 250 300 350 0.00% 20.00% 40.00% 60.00% 80.00% 100.00% Dimming on Duty(%) Io(mA) Dimmer #13 Dimmer #9 Dimmer #11 0.27mA Good Dimming Linearity and Dimming Depth

Dimming Performance Good Dimmer Compatibility High Dimming Ratio Low Start-up Current High Dimming Ratio Note: Tested on over 80 kinds of Dimmer in the lab. Table shows 32 dimmers. Good Dimmer Compatibility

Efficiency & Line Regulation Test condition: VOUT=21V, ILED=350mA, without dimmer Line regulation -0.03 -0.02 -0.01 0.01 0.02 0.03 105 110 115 120 125 130 135 Vin(V) Io percentage the highest temperature component is the damping resistor, ΔT = 25℃ +-0.2% Line Regulation

Test condition: VOUT=21V, ILED=350mA, without dimmer PF & THD Test condition: VOUT=21V, ILED=350mA, without dimmer PF>97% THD<=15%

Test condition: VIN=120VAC/60Hz, without dimmer Start-up Time Test condition: VIN=120VAC/60Hz, without dimmer ILED VMULT VCC VD Start-up time: 168ms Very fast start up!

Open LED @ normal operation Short LED @ normal operation Protection VS VCOMP VCC VZCD Open LED @ normal operation VS VCOMP VCC VZCD Short LED @ normal operation Short LED for >30min

Dimmable LED Driver Regulator --- MP4032-1 7Ohm MOS HV MOSFET integrated. HV Current Source for Fast Start Up (<0.5s) Better Line Regulation (<+-0.5%) Good Dimmer Compatibility High PF and Low THD Rich Protections SCP, OVP, OTP, Cycle-by-cycle current limit Key Features MP4032-1

MP4032-1 GU10 Solution @ VIN=120VAC Design Example: MP4032-1 GU10 Solution @ VIN=120VAC Spec: Vin=108Vac~132Vac/60Hz, Vo=12V, Io=550mA, Dimmable Transformer: EE13, Lp=2.006mH, Np:Ns:Naux=176:22:39

Experimental Results --- Dimming Curve Test condition: Vin=120Vac/60Hz, with different dimmers VMult VComp IIN VMult VComp The dimming curve meets SSL6 standard. IIN

Dimming Performance Test condition: Vin=120Vac/60Hz, with different dimmers Manufacturer Part No. Power Stage Imax(mA) Imin (mA) Dimming ratio min start current(mA) LUTRON 6B38-DVLV-600P 600W 516 13 2.52% 6B38-S-600P 513 3 0.58% 6B38-S-603PG 377 4 1.06% S-600 552 0.54% 7 SLV-600P 525 2.48% 6B38-GL-600-IV 553 2.35% NTLV-600-AL 0.00% 11 AY-600P 12 2.29% TG-603GH-WH 344 15 4.36% TG-600PH-WH 520 17 3.27% CN-600P 9 1.74% 6B38-DV-600P 509 5 0.98% LEVITON 1L10O5 541 8 LG-600P 521 6 1.15% 1G40O5 531 C20-6684-IW 554 DVELV-303P-WH 300W 2.77% DV-600P-BR 515 1.17% DVPDC-203P-WH 200W 555 67 12.07% MAELV-600-WH 486 23 GL-600H-DK 0.72% Good Dimmer Compatibility High Dimming Ratio Low Startup Current

Efficiency & Regulation Test condition: Vo=12V, Io=550mA, without dimmer Efficiency vs V IN 68% 69% 70% 71% 72% 73% 74% 75% 76% 77% 78% 100 105 110 115 120 125 130 135 140 Vin (VAC) Efficiency Efficiency>71% @Vin=108~132VAC Line Regulation -0.5% -0.4% -0.3% -0.2% -0.1% 0.0% 0.1% 0.2% 0.3% 0.4% 0.5% 100 105 110 115 120 125 130 135 140 Vin(VAC) Line Regulation < ±0.5% Load Regulation < ±3%

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