Xitanium 70W LLM Driver
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Xitanium 70W 0.2-0.7A LS 12-24V
SUPERSEDES:
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Technical Specification
Xitanium 70W 0.2-0.7A LS 12-24V
NAME:
Luuk Claessen
DOC. ORIGIN DATE: 2009-10-20
UNIT
MM
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SHEETS: 14
9290 006 12003
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LANGUAGE: 10
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History
Revision
0.1
0.2
0.3
0.4
1.0
Date
07-04-2010
06-05-2010
12-05-2010
21-05-2010
01-06-2010
Remarks
Split 4500 lm and 1100-3000lm driver
Changed 12NC and parameters
Changed Label and other parameters
Nominal Input voltage changed
Parameters changed
Acronyms and abbreviations
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LLM
LGM
IP
UVLO
Lumistep
Linear Light Module
Light Generation Module
Ingress Protection
Under Voltage Lockout
Dimming protocol during nighttime
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Technical Specification
Xitanium 70W 0.2-0.7A LS 12-24V
NAME:
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DOC. ORIGIN DATE: 2009-10-20
UNIT
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Table of contents
1.1.1 .................................................................................................................................................................. 3 System Specifications ........................................................................................................................................ 4 2.1 System description ..................................................................................................................................... 4 2.2 Driver description ........................................................................................................................................ 4 2.3 Electrical Connections ................................................................................................................................ 5 2.3.1 Overview ............................................................................................................................................. 5 2.3.2 DC Input from batteries ....................................................................................................................... 5 2.3.3 Output connections to LLM .................................................................................................................. 6 2.3.4 PWM-input connection ........................................................................................................................ 6 2.3.5 Communications with the micro-controller ........................................................................................... 6 2.3.6 LLM system connection block diagram ................................................................................................ 7 2.4 Electrical Specifications .............................................................................................................................. 7 2.4.1 Input .................................................................................................................................................... 7 2.4.2 PWM-dimming table ............................................................................................................................ 8 2.4.3 Output ................................................................................................................................................. 8 2.4.4 Rset input ............................................................................................................................................ 9 2.4.5 NTC input .......................................................................................................................................... 10 2.5 Lumistep ................................................................................................................................................... 10 2.6 Audible Noise ........................................................................................................................................... 11 3 Environmental conditions ................................................................................................................................. 11 3.1 General..................................................................................................................................................... 11 3.2 RoHs ........................................................................................................................................................ 11 3.3 Banned Substances ................................................................................................................................. 11 4 Mechanical Dimensions ................................................................................................................................... 12 4.1 General..................................................................................................................................................... 12 Reliability tests ........................................................................................................................................................ 13 4.2 Reliability .................................................................................................................................................. 13 4.3 Tests......................................................................................................................................................... 13 4.4 Standards ................................................................................................................................................. 13 5 Product Label .................................................................................................................................................. 14 1.1.1
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Technical Specification
Xitanium 70W 0.2-0.7A LS 12-24V
NAME:
Luuk Claessen
DOC. ORIGIN DATE: 2009-10-20
UNIT
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System Specifications
2
2.1
System description
Xitanium 70Wdc LLM Driver has been designed for an off-grid application to operate a Fortimo LLM from 1 or 2
batteries and solar panel, for street lighting or area lighting.
Area of use will be Middle East and Africa.
The LED driver is a DC input switch mode power supply. It consists of an input stage with reversed polarity
protection followed by a single stage boost converter with current control and over voltage protection.
This LED driver is designed to drive a series of LEDs by means of current control Iout. The LED current can be set
within a range by means of an external resistor Rset. During nighttime dimming is provided by the (programmable)
Lumistep functionality. To prevent overheating a NTC is located in the LLM and the temperature inside the driver is
also monitored.
Voltages up to 100V may occur on the LED driver output. The creepage and clearance distances are implemented
according this voltage.
The driver will have a UART interface with dedicated program connector for programming several parameters, e.g.
for Lumistep.
2.2
Driver description
•
Xitanium 70Wdc LLM Driver has been designed to drive existing and new Fortimo LLM’s. Target range is
1800, 3000 and 4500 lm light output. Figure 1.1 shows the block diagram of the driver.
If LED string voltage of a LLM is > 100V (ie. for the 4500 lm LLM) the string can be devided in 2 parts. To drive
these parts the driver will have 2 (identical) current outputs.
Boost Converter 1
Vbat
Iout1
GND
Boost Converter 2
pwm
Iout2
Enable
Micro-Controller
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Service con
Ext PWM
NTC
Rset
PGND
Internal Supply Voltages
SGND
Figure 1.1: Block diagram of the driver.
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2.3
2.3.1
Electrical Connections
Overview
Figure 1.2 shows the Xitanium 70Wdc LLM Driver in a typical off-grid system.
Solar
Panel(s)
Communication
Interface
Batteries
(1 or 2)
Iout1
Xitanium
70W dc LLM
Driver
Charge
Controller
PWM
LLM
Iout2
Figure 1.2: Typical off-grid solar system
The charge controller charges the batteries and switches on the load when it gets dark. To protect the batteries
from deep discharge the load will be disconnected if battery voltage drops below a certain value.
The charge controller is not a part of this project.
2.3.2 DC Input from batteries
The charge controller switches the battery voltage to the LLM driver when it’s dark. The driver is designed for 1 or 2
batteries as input with typical input voltage from 12 to 24V.
To insure proper operation an undervoltage lockout (UVLO) is used in the driver which switches off the driver if
input voltage is below 9.5V. The driver will be turned on again above 10.5V to avoid continuous on/off switching.
X6 Connector
(WAGO-804-2p)
X6-A
X6-B
Signal
Description
Color
GND
+Vbat
GND Vbat
Battery input Voltage
Black
White
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Connector type: WAGO-804 series
Wire diameter: recommended minimal 2.5mm2 or 12 AWG
Wire strip length: 10-11mm
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2.3.3
Output connections to LLM
X5 Connector
(7-Wire Interface)
X5-A
X5-B
X5-C
X5-D
X5-E
X5-F
X5-G
Signal
Description
Notes
Iout1
PGND1
Iout2
PGND2
SGND
RSET
NTC
Constant Current Output 1
Power Ground Output 1
Constant Current Output 2
Power Ground Output 2
Signal Ground
Current setting Input from LGM module
LGM module Temperature Input
Connector type: JST BM07B-PASS-TFT (LF)(SN)
Connector counterpart Housing: PAP-7-V-S
Connector counterpart Contacts: SPHD-002T-P0.5
2.3.4
PWM-input connection
X2 Connector
X2-A
X2-B
Signal
PWM
GND
Description
PWM-in
Ground PWM-in
Notes
Red
Black
Connector type: WAGO 250 series
Wire diameter: 0.5mm2-1.5mm2 or 20 .. 16 AWG
Wire strip length: 8-9mm
2.3.5 Communications with the micro-controller
Communications with the microcontroller for programming Lumistep parameters is possible via JACK plug.
X3 Connector
(JACK)
X4-A
X4-B
X4-C
X4-D
Signal
Description
Notes
GND
RXD
TXD
RXD
Ground connection
Receive Asynchronous Data
Transmit Asynchronous Data
Connected to B
Cross link with program con
Cross link with program con
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Connector type: Molex 3.5mm JACK type 47257-0001
Programming connector FTDI: TTL-232R-3V3-Aj (USB to TTL serial cable (3.3V) with 3.5mm JACK plug.
Figure 1.3: Program Connector Jack Plug
By virtual COM port and Hyperterminal communication will be possible between a PC and the micro controller to
change the Lumistep parameters. This is the same method as for Fortimo LLM driver 1100-1800 (12NC 9290 004
82903).
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Technical Specification
Xitanium 70W 0.2-0.7A LS 12-24V
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2.3.6
LLM system connection block diagram
•
•
Iout directly drives the LEDs with PGND as return. No other series components or circuits should be used.
Rset controls the maximum LED current. Iout, max is a function of Rset. Pins can be left open (Iout is
maximum).
NTC provides a temperature protection input in case of too high LLM temperature. If the NTC value drops
below a threshold the LED current will be reduced.
•
Figure 1.4: Xitanium 70Wdc - LLM connection diagram
2.4
Electrical Specifications
2.4.1
Input
Symbol
Parameter
Input Voltage
Vin nom
Nominal input voltage
Vin
Input Voltage
Vunvp
Undervoltage protection
Input Power
Pin
Input Power
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η
Efficiency
Input Current
Iin
Input Current
Iin,pkmax
Inrush Current
PWM input (Dimming mode)
Vin
PWM voltage
fin
PWM frequency
duty cycle
δ
Condition
Min
Values
Typ Max
12
10.5
12/24 V batteries
Non dimming
@ 10.5V, 40W output power
@ 10.5V, 8W output power
12
9.5
10
89
85
Max
Max
PWM input control signal
3.3
Dimming range
10
24
32
Vdc
Vdc
Vdc
70
W
%
%
7.66
30
A
Apk
100
V
Hz
%
5
250
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2.4.2
PWM-dimming table
% of maximum Output current
PWM‐in Dimming table
100
90
80
70
60
50
40
30
20
10
0
2
8
10
20
30
40
50
60
70
80
90
100
% of dimming of value of PWM duty cycle
Figure 1.5 – Pwm dimming table
The dimming input of the driver works with an external PWM signal of 250Hz, 5V high level, and a variable duty
cycle between 10% and 100% (Remark duty cycle values are high level). If PWM level is set by external PWM
dimming the driver reacts and sets the output current in approx 2 seconds to the wanted level.
Note: Maximum Output current is a function of Rset (par. 1.4.4)
2.4.3
Output
Each output will have the next specification:
Symbol
Parameter
Condition
Min
Output Voltage
Vout
Output voltage
Vout ovp
Output overvoltage protection
Output Power
Pout
Output Power
40
@ max ambient temperature
(figure 1.6 solid line)
@ minimum ambient temperature,
-20°C (figure 1.6 dashed line)
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Output startup time
16
200
-5
Time it takes between Vbat
power on until Iout > Ioutmin
Vdc
Vdc
70
W
80
W
700
+5
150
mA
%
mA
600
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Technical Specification
Xitanium 70W 0.2-0.7A LS 12-24V
NAME:
Unit
100
110
Output Current
Iout
Output Current
Output Current Tolerance
Ioutpp
Current ripple
ts
Values
Typ Max
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Fortimo Solar LLM Driver operating range
140
120
Output voltage (V)
100
80
60
40
20
0
0
100
200
300
400
500
600
700
800
solid line: operating area @ max ambient temperature
dashed line: operating area @ minimum ambient temperature, -20°C
Output Current (mA)
Figure 1.6: Output operating area.
2.4.4 Rset input
The maximum output current a driver section can source is determined by Rset. Figure 1.7 shows the relation
between Rset and Iout,max.
750
700
650
Iout=f(Rset)
600
Iout[mA]
550
500
450
400
350
300
250
200
150
10
100
1000
10000
100000
Iout
Figure 1.7 - Iout,max as a function of Rset.
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Rset [Ohm]
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2.4.5 NTC input
To check LLM temperature a NTC is included inside the LLM.
Symbol
Parameter
Condition
Temperature Control Input
NTC in LED module
Advised type
LED LLM module
Temperature Control
NTC threshold value
2.5
Min
Values
Typ
Max
Unit
15kOhm @ 25°C
2381 615 54153 (Vishay 15kOhm ± 2% NTC)
Abnormal condition with
insufficient heatsink on LGM
Abnormal condition with
insufficient heatsink on LGM
75
85
2536
°C
Ohm
Lumistep
The goal of Lumistep is to dim the light output of the luminaire during a certain period of the night.
The duration of the night is determined by counting the time between power-up and power-down of the luminaire.
The current night duration is recorded (if it is greater than 1 hour) at power-down. At startup, Lumistep determines
if the last recorded night has a valid duration (between 1 and 24 hours) and if at least three out of five of the
previously recorded night durations deviate no more than 1 hour from the last recorded night duration. If these
conditions are not satisfied, the luminaire will not dim during the current night.
If the luminaire is allowed to dim, the microcontroller determines the midpoint of the night from the three most
recently recorded valid night durations. The end user specifies the dim level and the times at which dimming has to
start (pre-time) and dimming has to stop (post-time) relative to the night’s midpoint, see figure 1.8
The Lumistep programmable parameters are:
‐ dim level [0 – 65535]:
ƒ
ƒ
ƒ
‐
‐
0 = off,
> 0 and < 5242 = 10% output current
> 5242 and < 60000 = between 10% ‐ 90%
65535 = 100% output current pre-time
ƒ
[minutes] note: if dimming is to start before the night’s midpoint, pre-time should be negative
post-time [minutes]
The parameters are programmed.
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Luminaire on at 100%
Luminaire Off
post-time
pre-time
dimming stop
dimming start
midpoint
Night
duration
Figure 1.8: Lumistep
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Technical Specification
Xitanium 70W 0.2-0.7A LS 12-24V
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2.6
Audible Noise
Our audible noise measurements are executed according to 'ISO 3741:1999 Acoustics - Determination of sound
power levels of noise sources using sound pressure - Precision methods for reverberation rooms'
Symbol
Parameter
Condition
Values
Typ
Min
Audible noise driver
Audible noise level
Unit
Max
30
dB (A)
3 Environmental conditions
3.1
General
Symbol
Parameter
Environment operational
Tamb
Ambient temperature
Tc
Case Temperature
Hop
Relative humidity
Pair
Air pressure
Environment storage
Tst
Ambient temperature
Hst
Relative humidity
Pair
Air pressure
IP
3.2
Minimum IP rating
Condition
Min
LED driver startup, Tc < Tc max
Lifetime will be reduced to about
50% at Tc,max
Non condensing
Non condensing
Values
Typ
Max
-20
Unit
65
85
°C
°C
10
600
90
%
hPa
-40
5
290
85
95
°C
%
hPa
75
IP20
Assumes luminaire manufacturer
is responsible for applicable IP
rating
RoHs
The electronics will be compliant to the Directive 2002/95/EC of the European parliament and of the council of
January 2003, on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(RoHS)
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3.3
Banned Substances
The electronics will be compliant to ULV-0087: “Policy and Procedures on Environmentally Relevant Substances
used in Lighting Products and Processes”. This means that the restricted substances shall be eliminated in existing
and future Lighting products. The temporary use can be authorized by the EAC via a waiver. The use of other
relevant substances for products should be reduced or eliminated, unless no technically and feasible alternatives
are available. They are restricted for new designs. For the latest updated list with restricted substances and
environmentally substances visit the sustainability website of Philips Lighting.
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Technical Specification
Xitanium 70W 0.2-0.7A LS 12-24V
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4 Mechanical Dimensions
4.1
General
12NC
4422 308 16804
4422 325 12604
Description
Metal chassis
Plastic cover (black)
Supplier
Philips Pila
Philips Pila
Figures 3.1 shows the mechanical dimensions.
Figure 3.1
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Description
A1
A2
B2
C1
D1
Value
149.6
134
70
36.8
4.5
Unit
mm
mm
mm
mm
mm
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Reliability tests
4.2
Reliability
Parameter
MTTF
Annual failure rate
Early failure rate
Switching
Requirement
50000 hrs (Note 1)
0.5%
0.5%
4015 hrs. per year. 1 cycle per day (= approximately 12 years)
Note 1: Expected End of Life 50000hrs with max 10% failure
4.3
Tests
Type test
Mechanical
1
Description
Non-operating
1.1
Vibrations
IEC60068-2-6 Fc
1.2
Bump
IEC60068-2-29 Eb
1.3
Shock
IEC60068-2-27 Ea
4.4
Requirement
• After the tests the samples must conform to the
measured spec points.
• Non-packed products unless stated otherwise
Number of directions
3 (XYZ)
Frequency range
10-150 Hz
Number of sweeps
5 per axis, 3 axes
Acceleration/ amplitude 5G / 0.35 mm
Sweep
1 octave/min (Approx. 6 min per sweep)
Number of directions
6 (XYZ)
Number of bumps
1000 each direction
Pulse duration
16 ms / half-sinusoidal shaped.
Acceleration
10G
Number of directions
3 (XYZ)
Number of shocks
3 per axis
Peak acceleration
50G 11ms
Standards
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The driver is designed to meet these standards when mounted in the reference fixture. The final approbation
must be verified in the application.
Standard
Generated disturbances and EMI
Description
EN 55015/CISPR15
Radiated EMI, 30MHz-300MHz
Immunity
EN 61547, IEC 61547
Safety standards
IEC 61347-1
IEC 61347-2-13
Equipment for general lighting purposes – EMC immunity
requirements
Lamp controlgear Part 1: General and safety requirements
Lamp controlgear Part 2: LED Particular requirements for d.c. or a.c.
supplied electronic controlgears for LED modules
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5 Product Label
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Figure 4.1
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