LED Lighting Proposal with
IFX solution
2014-08-26
Our Application Focus is mainly General
Lighting
Professional
Lighting
COMMERCIAL
Luminaires, desk lamps,
high / low bay
RETAIL
Downlights, spotlights
Refrigerated display case
Architectural &
Entertainment
Wall washer, stripe
lights, accent lights,
cove lighting, path
lights, stage lighting
Outdoor area
lighting
Street, tunnel,
parking lot
Replacement Lamps
Others
CONSUMER
Home appliances
projectors
INDUSTRIAL
Channel letters
signs, signals,
machines
RESIDENTIAL
Recessed downlights
Pendants, under cabinet,
decorative
05/15/2011
MR16
Linear tubes
Copyright © Infineon Technologies 2010. All rights reserved.
AUTOMOTIVE
Interior lighing,tail Light
Page 2
INDEX
 48Watt Flat Lamp Solution
 DC/DC Dimming Solution
 7Watt, 10Watt MR16 Solution
 Summary
Set date
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TDA4863-2G
Single stage PFC/Flyback
Application
diagram
Demo board
35.5mm
 Universal input voltage
range 85Vac – 305Vac
 Wide output voltage
range 24V – 48V
Iout
 1000mA ouput crrent
 High accuracy : 3.5%
Benchmark AC/DC
efficiency up to 88.5%
126mm
 PF up to 0.97
 THD below to 18%
 Over Voltage
protection
 Short Vircuit Protection
 Over Power Protection
2013-03-28
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Typical Application Circuit
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Load regulation
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Efficiency Vs Vin at various loading
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PF vs Vin
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THD vs Vin at full load
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THD vs Vin at full load
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Thermal and Conducted EMI
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Thermal and Conducted EMI
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Page 14
INDEX
 48Watt Flat Lamp Solution
 DC/DC Dimming Solution
 7Watt, 10Watt MR16 Solution
 Summary
Set date
Copyright © Infineon Technologies 2011. All rights reserved.
Page 15
ILD6070 / ILD6150
Buck topology
 Max 1MHz fsw
 Low quiescence current
Application
diagram
Demo boards
 Wide usable input voltage
range from 4.5V – 60V
 Current accuracy ± 3%
Iout
Integrated MOSFET rated
up to 700 / 1.500 mA
Benchmark DC/DC
efficiency up to 98%
100%
100%
0%
Adjustable smart
thermal protection
Iout (%)
80%
60%
40%
20%
0%
60
85
110
135
160
Tj (°C)
2013-03-28
Copyright © Infineon Technologies 2013. All rights reserved.
 PWM & analog dimming
 Int. PWM generator for
analog dimming
 3000:1 contrast ratio
 Adjustable over
temperature protection
 Over current
protection
Page 16
ILD6070 / ILD6150 Typical Application Circuit
Set date
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Page 17
Hysteretic Buck Driver
“ON”
“OFF”
“ON”
“OFF”
“ON”
VSW
Switch is “ON”
Vsense
Switch is “OFF”
Rsense
Vsense
Vth_high
Vsense
Vth_low
Rsense
ILED
ILED
ILED
L
L
VSW
ILD6150
ISW
IDIODE
ISW
VSW
ILD6150
IDIODE
10.02.2010
Copyright © Infineon Technologies 2010. All rights reserved.
Page 18
ILD6150 Measurement Results
 Typical signal waveform
Vsense voltage
LED current
Switch ON
Vdrain voltage
Switch OFF
 Frequency = 467 kHz, Duty = 73.8%
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Page 19
Power losses of switch mode driver
 The efficiency of the switch mode driver is known to be better than linear mode
driver. This is due to if the voltage drop on the linear driver is higher, the power
loss is larger.
PRsense  I LED  Rsense
2
PDIODE  VDIODE  I LED  (1  DON )
PrL  I LED  rL
2
PIC  VS  I S
IS
1

PSW    Vs  VT   I LED  t fall  freq
2

PTR  VT  I LED  DON
10.02.2010
Copyright © Infineon Technologies 2010. All rights reserved.
Page 20
ILD6150 Measurement Results
 Efficiency
 Efficiency figure shows total efficiency of the application board
including losses of external components as inductor and
Schottky diode.
8/26/2014
Copyright © Infineon Technologies 2011. All rights reserved.
Page 21
ILD6150 Measurement Results
 Analog Dimming
 The analog DC voltage is converted to a 1.6 kHz PWM signal
modulating the LED current.
 Linear range of analog dimming : 0.67 V ~ 2.43 V
Vsense voltage
Vdrain voltage
LED current
Output waveform at VPWM = 1 V
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Output waveform at VPWM = 2 V
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Page 22
ILD6150 Measurement Results
 Over Temperature Protection
 ILD6150 feature with an integrated OTP will reduce the current
by internal PWM modulation once the junction temperature of
the IC is exceeded.
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Page 23
ILD6150 Measurement Results
 Over current protection
 The ILD6150 feature with over current protection where the
current threshold is 2.5 A. The MOSFET will be turned off for
60 us when OCP is triggered.
 Waveforms below shows the OCP in operation when the Rsense
is shorted and the LED load replaced by a 3 Ω resistive load.
Vdrain voltage
Vsense voltage
LED current
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Page 24
INDEX
 48Watt Flat Lamp Solution
 DC/DC Dimming Solution
 7Watt, 10Watt MR16 Solution
 Summary
Set date
Copyright © Infineon Technologies 2011. All rights reserved.
Page 25
ILD4001
Demo board
Application
diagram
Step-down topology
Bottom
Wide input voltage range
from 4.5V – 40V
Iout
Scalability from 10mA –
3.000mA easily allows
replication to new designs
DC/DC efficiency up to
98%
Top
100%
0%
Choice of dimming
concept: Analog or digital
Thermal protection
Recommended MOSFET BSR 302N (30V, SC59), BSP 318S (60V, SOT223)
2013-03-28
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Page 26
MR16 solution Circuit
Set date
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MR16 Test Condition
Test setup
240 VAC
Source
Ibulb
IAC
Line
Line
AC Power
Meter
UAC
MR16 Lamp
12VAV
E-Transformer
Ubulb
Test setup
Neutral
Neutral
Measure AC input power
Set date
GND
Measure MR16 input
power & waveform
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Page 28
E-transfomer compatibility
LED Vf
LED If
Pout
Output waveform for the 7 W MR16 board driven by Philips ET-E60.
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E-transfomer compatibility
LED Vf
LED If
Pout
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E-transfomer compatibility
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Page 31
INDEX
 48Watt Flat Lamp Solution
 DC/DC Dimming Solution
 7Watt, 10Watt MR16 Solution
 Summary
Set date
Copyright © Infineon Technologies 2011. All rights reserved.
Page 32
Summary
1 Infineon’s 48W Flat panel & MR16
solution enable customers to reduce
development cycle with high performance.
2
ILD6xxx series can support the
highest dimming performance & efficiency
and long life time of LED with Slope current
reduction.
3
Infineon offers an innovative
products portfolio of general lighting.
2014-07-29
Copyright © Infineon Technologies AG 2014. All rights reserved.
Page 33
Support Material
LED Lighting
LED Lighting
 Application Brochure
 Application Examples
 www.infineon.com/cms/en/product/
applications/lighting/led-lighting/
 Application Notes
Technical Material
 Products + Datasheets
 Simulation Models
 PCB Design Data
 App Notes, White Paper
Evaluation Boards
 www.infineon.com/led.documents
 www.infineon.com/led.evalboards
 Reference Designs
 www.infineon.com/led.appnotes
 www.infineon.com/lightdesk
Design Tool
Page 34
 www.infineon.com/ledoffline
 Evaluation Boards
 LED Driver Online
Selection Guide
 www.infineon.com/lowcostleddriver
 Selection Guide
2014-07-31
Copyright ©
Infineon
Technologies AG
감사합니다.
 김성호 차장 ( 반도체 기술 담당 엔지니어)
 E-mail : Sungho.kim@infoneon.com
 전광일 과장 ( 애플리케이션 마케팅 )
 E-mail : Kyle.jeon@infoneon.com
Set date
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Page 35