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

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

3. 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

4. Non-Dimming, Non-PFC PSR

5. 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

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

7. 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

8. 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

9. Non-Dimming PFC + PSR

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

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

12. 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

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

14. 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%

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

16. Dimming + PFC +PSR

17. 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 EN standard
Rich Protections
SCP, OVP, OTP, Cycle-by-cycle current limit
General lighting, industry lighting, automotive lighting

18. MP4030 PAR20 Solution @ VIN=120VAC
Design Example:
MP4030 PAR20 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

19. 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

20. 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

21. 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

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

23. 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!

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

25. 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

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

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

28. 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
C 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

29. 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
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%

30. MPS is able to provide one-stop shopping & leading solutions
Summary
MPS is able to provide one-stop shopping & leading solutions

31. Thank You!