UM10570 SSL4101DB02 4-channel high
Contents
1. NXP B V 2012 All rights reserved User manual Rev 1 5 June 2012 5 of 11 NXP Semiconductors U M1 0570 4 channel universal mains CC LED driver demo board 4 Functional description UM10570 The SSL4101DB02 demo board consists of the SSL4101DB01 Ref 1 48 V 150 W demo board together with the 4 channel UBA3070DB01 Ref 2 demo board See the UM10469 Ref 3 and UM10478 Ref 4 user manuals for details about these boards The output connector TB2 of board SSL4101DB01 is connected to the input connector TB51of board UBA3070DB01 board To supply the UBA3070 ICs the auxiliary power output connector J1 on the SSL4101DB01 board is connected to TP1 TP2 on the UBA3070DB01 board When operating the rectified mains are efficiently boosted by the PFC to 440 V DC The efficient flyback converter transforms boosted supply in to 48 V at 3 125 A The supply is then rectified with a synchronous rectifier using the TEA1761 SR controller IC Each of the four BCM buck converters can drive four LED strings at up to 43 V at 1 A All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 5 June 2012 6 of 11 NXP Semiconductors U M1 0570 4 channel universal mains CC LED driver demo board 5 Performance data UM10570 5 1 5 2 5 3 5 4 Efficiency considerations The efficiency of the SSL4101DB02 board depends on m2. B V 2012 All rights reserved User manual Rev 1 5 June 2012 7 of 11 NXP Semiconductors U M1 0570 4 channel universal mains CC LED driver demo board Table 4 Buck converter efficiency Input voltage is 48V output current 1A Output voltage V AC Input current A Efficiency 3 6 0 11 70 1 6 9 0 18 85 6 10 1 0 25 87 6 13 4 0 31 92 8 16 6 0 38 92 7 19 9 0 45 95 8 23 1 0 52 93 2 26 4 0 58 94 5 29 8 0 68 96 6 33 5 0 77 96 5 36 8 0 85 96 3 40 2 0 94 97 1 5 5 Maximum power The PFC plus flyback controller deliver up to 150 W to the buck converters The maximum output power can be calculated based on the efficiency of the buck converter The maximum output power is 145 W at an efficiency of 96 5 independent of the number of channels used When all 4 channels are used the maximum power per channel is 36 W If fewer channels used the maximum power increases 4 channels each at 40 V 1 A with an efficiency of 97 require an input power of 165 W This 165 W output power is more than the 150 W maximum that the SSL4101DB01 can deliver The maximum output voltage of the buck converters when all 4 channels are used is approximately 35 V 5 6 Dimming and IEC 61000 3 2 Remark Take care when using PWM dimming The requirements for IEC 61000 3 2 state that in any dimming position the harmonic current shall not exceed the value of current allowed in the maximum load condition When PWM dimming is u
3. UM10570 SSL4101DB02 4 channel high efficiency universal mains constant current LED driver demo board Rev 1 5 June 2012 User manual Document information Info Content Keywords SSL4101 GreenChip III SSL low cost LED driver mains supply UBA3070 user manual Absiract This user manual describes the SSL4101DB02 4 channel demo board which demonstrates the LED driving capabilities of the SSL4101 and UBA3070 NXP Semiconductors U M1 0570 4 channel universal mains CC LED driver demo board Revision history Rev Date Description v 1 20120605 first issue Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com UM10570 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 5 June 2012 2 of 11 NXP Semiconductors U M1 0570 1 Introduction 4 channel universal mains CC LED driver demo board WARNING Lethal voltage and fire ignition hazard A A The non insulated high voltages that are present when operating this product constitute a risk of electric shock personal injury death and or ignition of fire This product is intended for evaluation purposes only It shall be operated in a designated test area by personnel qualified according to local requirements and labor laws to work with non insulated mai
4. dification UM10570 All information provided in this document is subject to legal disclaimers Customers are responsible for the design and operation of their applications and products using NXP Semiconductors products and NXP Semiconductors accepts no liability for any assistance with applications or customer product design It is customer s sole responsibility to determine whether the NXP Semiconductors product is suitable and fit for the customer s applications and products planned as well as for the planned application and use of customer s third party customer s Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products NXP Semiconductors does not accept any liability related to any default damage costs or problem which is based on any weakness or default in the customer s applications or products or the application or use by customer s third party customer s Customer is responsible for doing all necessary testing for the customer s applications and products using NXP Semiconductors products in order to avoid a default of the applications and the products or of the application or use by customer s third party customer s NXP does not accept any liability in this respect Export control This document as well as the item s described herein may be subject to export control regulations Export might require a prior authorization from c
5. er manual Rev 1 5 June 2012 9 of 11 NXP Semiconductors UM10570 8 Legal information 4 channel universal mains CC LED driver demo board 8 1 Definitions Draft The document is a draft version only The content is still under internal review and subject to formal approval which may result in modifications or additions NXP Semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information 8 2 Disclaimers Limited warranty and liability Information in this document is believed to be accurate and reliable However NXP Semiconductors does not give any representations or warranties expressed or implied as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information NXP Semiconductors takes no responsibility for the content in this document if provided by an information source outside of NXP Semiconductors In no event shall NXP Semiconductors be liable for any indirect incidental punitive special or consequential damages including without limitation lost profits lost savings business interruption costs related to the removal or replacement of any products or rework charges whether or not such damages are based on tort including negligence warranty breach of contract or any other legal theory No
6. he greater of the amount actually paid by customer for the product or five dollars US 5 00 The foregoing limitations exclusions and disclaimers shall apply to the maximum extent permitted by applicable law even if any remedy fails of its essential purpose 8 3 Trademarks Notice All referenced brands product names service names and trademarks are the property of their respective owners GreenChip is a trademark of NXP B V NXP B V 2012 All rights reserved User manual Rev 1 5 June 2012 10 of 11 NXP Semiconductors U M1 0570 4 channel universal mains CC LED driver demo board 9 Contents 1 Introduction 00 2c cece eee eee 3 2 Safety Warning 00 cece eee eee 4 3 SSL4101DB02 specification 5 4 Functional description 0 0005 6 5 Performance data cece eee eee 7 5 1 Efficiency considerations 7 5 2 PFC efficiency 000 eee eee 7 5 3 Flyback converter efficiency 7 5 4 Buck converter 0000 0000 eee 7 5 5 Maximum power 0e eee ee eee 8 5 6 Dimming and IEC 61000 3 2 8 6 Abbreviations 0 0000e scenes 9 7 Referees iin eco i re eaan EREEREER ae e s 9 8 Legal information 00e eee eens 10 8 1 Definitions 2000 eee eee 10 8 2 Disclaimers 0 0 020 0c eee eee eee 10 8 3 Trademarks 0 000 00 eee ee eee 10 9 COntents ie a
7. iversal mains CC LED driver demo board 019aac498 Fig 1 SSL4101DB02 demo board 2 Safety Warning The demo board application is AC mains voltage powered Avoid touching the board when power is applied An isolated housing is obligatory when used in uncontrolled non laboratory environments Always provide galvanic isolation of the mains phase using a variable transformer The following symbols identify isolated and non isolated devices 019aab173 019aab174 a Isolated b Non isolated Fig 2 Isolated and non isolated symbols UM10570 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 5 June 2012 4 of 11 NXP Semiconductors UM10570 4 channel universal mains CC LED driver demo board 3 SSL4101DB02 specification Table 1 Specification Parameter Output current Output voltage Output Power Value 4x1A up to 43 V Up to 43 W per channel Comment each channel can be individually controlled and changed depends on LED forward voltage and string length sum of all 4 channels cannot exceed 145 W Supply voltage 108 V AC to 305 V AC Input frequency 49 Hz to 61 Hz Power factor gt 0 95 E THDI lt 20 Efficiency up to 92 depends on total power LED forward voltage and string length UM10570 All information provided in this document is subject to legal disclaimers
8. ns voltages and high voltage circuits This product shall never be operated unattended The SSL4101DB02 4 channel demo board demonstrates the LED driving capabilities of the SSL4101 and UBA3070 devices Each channel is individually dimmable using Pulse Width Modulation PWM or an analog signal The circuit implements a universal mains low THD PFC a highly efficient flyback controller and four Boundary Conduction Mode BCM buck converters The BCM buck converter is a true switch mode current source The overall efficiency for the unit from AC input to 4 channel DC output is 92 The complete solution meets all safety and EMI regulations Key features include Up to 92 efficiency Low THDI and high PF User configured output current requiring no custom made magnetic components Intrinsically protected against short circuit open load and overtemperature conditions BCM buck converters operate as true switch mode current sources Low cost LED driver solution Small form factor PWM or analog dimming Independent or combined control of channels No LED binning required Applications Typical target applications for the 4 channel demo board include UM10570 Street lighting High and low bay lighting Refrigeration lighting All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 5 June 2012 3 of 11 NXP Semiconductors U M1 0570 4 channel un
9. ompetent authorities Evaluation products This product is provided on an as is and with all faults basis for evaluation purposes only NXP Semiconductors its affiliates and their suppliers expressly disclaim all warranties whether express implied or statutory including but not limited to the implied warranties of non infringement merchantability and fitness for a particular purpose The entire risk as to the quality or arising out of the use or performance of this product remains with customer In no event shall NXP Semiconductors its affiliates or their suppliers be liable to customer for any special indirect consequential punitive or incidental damages including without limitation damages for loss of business business interruption loss of use loss of data or information and the like arising out the use of or inability to use the product whether or not based on tort including negligence strict liability breach of contract breach of warranty or any other theory even if advised of the possibility of such damages Notwithstanding any damages that customer might incur for any reason whatsoever including without limitation all damages referenced above and all direct or general damages the entire liability of NXP Semiconductors its affiliates and their suppliers and customer s exclusive remedy for all of the foregoing shall be limited to actual damages incurred by customer based on reasonable reliance up to t
10. s dking eee Dee ie ne ee Re ee 11 Please be aware that important notices concerning this document and the product s described herein have been included in section Legal information NXP B V 2012 All rights reserved For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com Date of release 5 June 2012 Document identifier UM10570
11. sed the harmonic currents can exceed the limits depending on the frequency and duty cycle Exceeding the limits is not an issue when no dimming or analog dimming are used UM10570 All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved User manual Rev 1 5 June 2012 8 of 11 NXP Semiconductors U M1 0570 4 channel universal mains CC LED driver demo board 6 Abbreviations 7 References Table 5 Abbreviations Acronym Description BCM Boundary Condition Mode DCM Discontinuous Conduction Mode EMC ElectroMagnetic Compatibility EMI ElectroMagnetic Interference THDI Total Harmonic Distortion of the Current LED Light Emitting Diode MOSFET Metal Oxide Semiconductor Field Effect Transistor PF Power Factor PFC Power Factor Correction PWM Pulse Width Modulation UM10570 1 SSL4101DB01 150 W SSL reference design 2 UBA3070DB01 4 channel DC to DC LED driver demo board 3 UM10469 User Manual 48 V 150 W demo board using the SSL4101 4 UM10478 User Manual UBA3070 4 channel DC to DC LED driver demo board 5 SSL4101 Data sheet GreenChip Ill SMPS Control IC 6 UBA3070 Data sheet LED backlight driver IC 7 AN11054 Application note GreenChip IIl SSL4101 integrated PFC and flyback controller All information provided in this document is subject to legal disclaimers NXP B V 2012 All rights reserved Us
12. twithstanding any damages that customer might incur for any reason whatsoever NXP Semiconductors aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the Terms and conditions of commercial sale of NXP Semiconductors Right to make changes NXP Semiconductors reserves the right to make changes to information published in this document including without limitation specifications and product descriptions at any time and without notice This document supersedes and replaces all information supplied prior to the publication hereof Suitability for use NXP Semiconductors products are not designed authorized or warranted to be suitable for use in life support life critical or safety critical systems or equipment nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury death or severe property or environmental damage NXP Semiconductors and its suppliers accept no liability for inclusion and or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and or use is at the customer s own risk Applications Applications that are described herein for any of these products are for illustrative purposes only NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or mo
13. ultiple factors e AC mains voltage e Output current of the flyback e Output voltage of the buck converter The total efficiency is the product of the separate efficiency numbers PFC efficiency The PFC is a boost converter with fixed output voltage The PFC has the highest efficiency during high mains conditions Conversely the PFC has the lowest efficiency in low mains conditions The efficiency also depends on the power level and the resulting current in the PFC Table 2 PFC efficiency for different input voltages and power levels Supply voltage V AC Input power W Efficiency 120 41 96 4 80 96 7 160 96 4 230 41 96 1 79 97 9 156 98 5 277 41 95 9 79 96 4 156 98 8 Flyback converter efficiency The flyback converter has a 440 V fixed input from the PFC and provides a 48 V output voltage Only the current levels determine the difference in efficiency Table 3 Flyback converter efficiency for different output currents Output current A Efficiency 0 78 95 1 56 96 4 2 34 96 8 3 12 96 7 Buck converter Buck converter efficiency is dependent on the output voltage the LEDs forward voltage and the number of LEDs in the string This efficiency dependency is because the buck converter output is a constant current The efficiency varies between 97 for the highest output voltage to 70 for a single 3 6 V LED at 1 A All information provided in this document is subject to legal disclaimers NXP
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