UM10903 - NXP Semiconductors
Contents
1. All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 21 of 26 NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 11 PFC and buck inductor specifications 11 1 PFC inductor The PFC transformer is EE20 10 6 10 pins THT horizontal EF20 3 00 4 00 lt dot locates term 1 lot code and date code reference only SQ 0 50 10x part must insert fully to 15 24 surface A in recommended grid 3 81 8x a PRI 3 4 5 2 eee 7 z T Sen AUX 3 A ee 1 17 10x recommended Dimensions in mm p c pattern component side aaa 020010 Fig 15 PFC inductor schematic Table 3 Electrical specifications PFC inductor All values are specified at 25 C unless otherwise specified Parameter Value Conditions DC resistance 1 5 3 9 0 10 20 C DC resistance 7 9 0 233 10 96 20 C primary inductance 1 5 2 2 mH 10 96 100 mV 10 kHz leakage inductance 1 5 150 uH nominal short 7 9 100 mV 10 kHz 250 uH maximum saturation current 1 5 1A turns ratio 20 1 1 tolerance 1 5 7 9 Table 4 inductor construction Wire Description primary wire 10 strand 0 07 mm litz wire primary numb2. SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 10 PCB assembly and layout SSL5261DB1350 UM10903 x101 1103 L201 FH P 3 SN 8 7 S 5 S i BS LX k C SN R301 ads C211 C209 5 E10 5 1101 E cxto1 ctt _ mua PST i m aaa 020007 a Top 0202 Soon p302 R208 os N 121 r3 5725908 R 0068 5855 0103 0 80 oOo R302 Sp 0 R109 00004 X D000 R217 R206 Ri5mL1c108 8 os D107 0 mm R214 J patos moon erie 6834 0201 201 R107 xh C3 106 C104 U101 lo LA v201 C206 0104 0 C1 e h R303 D305 d lb 9 oe R120 oz R110 C3 yp 303 c207 R104 R108 D105 E ce1o R202 108 0301 0205 wh 03044 E R2120 kit EE a n208 O RIT R112 D203 0197 R117 R101 R207 C205 D103 BD101 gt m R113 D101 D m r3 aaa 020008 b Bottom Fig 13 SSL5261DB1350 demo board PCB assembly aaa 020009 Fig 14 SSL5261DB1350 demo board layout
3. R202 resistor 820 kQ 1 96 63 mW 0603 z R206 resistor 100 1 63 mW 0603 R207 R208 resistor 1 MO 1 96 250 mW 1206 R210 resistor 1 8 1 96 500 mW 0805 R211 resistor 1 6 1 96 500 mW 0805 R213 resistor 51 1 63 mW 0603 R214 resistor 5 6 1 63 mW 0603 R217 resistor 47 1 100 mW 0805 R301 resistor 1 2 5 96 1 W PRO1 THT PRO01000101201JR500 Vishay R302 resistor 10 1 100 mW 0805 R303 resistor 5 1 5 96 250 mW 1206 R304 resistor 150 1 96 100 mW 0805 R305 resistor 560 5 96 63 mW 0603 R306 resistor 120 kQ 5 96 63 mW 0603 R307 resistor 150 kQ 5 96 63 mW 0603 R308 resistor 100 1 96 63 mW 0603 RV101 resistor MOV 275 V 75 J V275LA20AP Littelfuse U101 LED driver SSL5261AT SSL5261AT NXP Semiconductors U201 LED driver SSL5261PT SSL5261PT NXP Semiconductors U301 LED driver SSL5257TE SSL5257TE NXP Semiconductors WB101 wire bridge 0 8 mm pitch 2 10 16 mm 923345 04 3M X101 terminal block 2 way pitch 2 10 16 mm OSTTC023162 On Shore Tech Inc X201 terminal block 3 way pitch 5 08 mm PM5 08 3 90 BLK Weidmiller X301 header straight 1 row x 6 pin 22 28 4060 Molex pitch 2 54 mm UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 20 of 26 NXP Semiconductors U M1 0903
4. of the buck controller Figure 12 shows the complete application schematic of the buck controller This function description refers to Figure 5 and Figure 12 40 us timer SSL5261PT dim control DIM energize LOGIC CONTROL AND demagnetization PROTECTION FB VCC valley detection COMP GND IC DEMOVP ISNS aaa 020002 Fig 5 Simplified internal block schematic describing the SSL5261PT control function The main difference with the SSL5261AT version is the connection of the DIM pin The SSL5261PT controls the peak current The SSL5261AT controls the average set point In this way the SSL5261PT version can be used for PWM dimming In the application the DIM pin is connected to Vcc via resistor R202 and to ground via resistor R201 The voltage on the DIM pin is 0 6 V The voltage on the DIM pin sets the internal OverCurrent Protection OCP voltage via the dim control curve and consequently the voltage on the ISNS pin V sws For more information about peak dimming control see the SSL5261PT data sheet Ref 2 The FB pin is connected to ground so it has no influence on the regulation The capacitor C201 on the COMP pin is charged to its maximum level with a current IREF When Vion gt Vcomp Or Visng gt 0 9 V the secondary stroke begins When demagnetization valley is detected at the DEMOVP pin and the energize level is reached or when the 40 us timer is completed the prim
5. Buck controller 18 Bill Of Materials 19 PCB assembly and layout SSL5261DB1350 21 PFC and buck inductor specifications 22 PFC iriductor eee ee dae Res 22 BUCK inductor m 23 5 24 lt 24 25 5 25 5 25 aed eee 25 Contents sierra n we 26 Please be aware that important notices concerning this document and the 5 described herein have been included in section Legal information NXP Semiconductors N V 2015 All rights reserved For more information please visit http Awww nxp com For sales office addresses please send an email to salesaddresses nxp com Date of release 3 November 2015 Document identifier UM10903
6. H 110 mm x 39 mm x 24 mm 110 mm x 39 mm x 24 mm D MNT 100 2 Opencstring protection is triggered at Vi gp gt 125 V UM10903 All information provided in this document is subject to legal disclaimers Rev 1 3 November 2015 NXP Semiconductors N V 2015 All rights reserved 5 of 26 User manual NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 4 Board photographs aaa 019997 a Top view D207D206R208 D mro kh aaa 019998 b Bottom view Fig 2 SSL5261DB1350 demo board photographs UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 6 of 26 NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 5 Board connections i b LED out in l Vigp 60 V 120 V AC in Vmains i A LED 120 V1230 V J Lp 300 mA N LED Ede LED 3 3 V uC supply 019999 Fig 3 SSL5261DB1350 demo board connections STBY 0Vto5V e VLC 500 Hz data stream 300 mV peak to peak 25 modulation of lj gp Analog dimming 0 V to 0 6 V PWM dimming 0 V to 3 3 V 1 kHz duty factor v
7. Semiconductors Q201 MOSFET N 600 V 2 4 A STD3NK60Z 1 STMicroelectronics R101 R102 resistor 4 7 1 100 mW 0805 R103 R104 resistor 1 2 MO 1 96 250 mW 1206 R105 R106 resistor 33 kO 1 96 100 mW 0603 R107 R115 resistor 1 MO 1 96 63 mW 0603 R108 R122 resistor 68 1 63 mW 0603 R109 resistor 5 6 1 250 mW 1206 UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 19 of 26 NXP Semiconductors UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board Table 2 SSL5261DB1350 demo board BOM continued Reference Description and values Part number Manufacturer R110 R212 resistor 470 1 100 mW 0603 R111 R112 resistor 1 8 1 96 1 W 2512 ERJ1TRQF1R8U Panasonic R113 resistor 0 1 1 96 1 W 2512 RL2512FK 070R1L Yageo R114 resistor 0 1 5 96 1 W RSMF THT RSMF1JTR100 Stackpole Electronics R116 resistor 330 kQ 1 96 63 mW 0603 R117 resistor 2 MO 1 96 250 mW 1206 R118 resistor 1 8 MO 1 250 mW 1206 R119 resistor 120 1 95 63 mW 0603 R120 resistor 1 5 KO 1 100 mW 0603 R121 resistor 47 1 96 100 mW 0603 R201 resistor 33 1 100 mW 0603
8. jueuunoop 511 ui uoneuuojul 92 40 8L 2060 LWN pamasa SUSU S LOZ A N SIoronpuoorues 8 3 Buck controller VBUS MURS160 po Q201 E STD3NK60Z 1 VCC_BUCK 1N4148W C207 R212 3 C203 1 uF we 16V DIM_BUCK R308 9 1000 PWM R205 C 100 R210 R211 R206 0201 0202 180 160 100 4N4148W 4 inatasw RGND RGND Fig 12 SSL5261DB1350 demo board schematic with buck controller part featuring SSL5261PT D207 BZX384 C62 D206 BZX384 C62 5 1 mH Laux Lpri 100 10 uH turns ratio 10 aaa 020006 M 9 A OEZ PUE M BL A 021 OSELAGLOCSISS 2060 LNN 5 dXN NXP Semiconductors UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 9 Bill Of Materials BOM Table2 SSL5261DB1350 demo board BOM Reference Description and values Part number Manufacturer BD101 diode bridge 1 kV 1 LMB10S TP MCC C210 capacitor 4 7 nF 10 96 50 V X7R 0603 C211 capacitor 1 uF 10 96 63 V PET THT B32529C105K189 EPCOS C301 capacitor 2 2 uF 20 96 400 V ALU THT ECA2GHG2R2 Panasonic C302 capacitor 330 uF 20 96 6 3 V ALU THT MCUMR6V3337M8X5 Multicomp C303 capacitor 2
9. the 40 us timer is completed the primary stroke begins The voltage across the auxiliary winding of L103 determines the voltage on the DEMOVP pin To ensure that the PFC converter switches off during large inrush currents through capacitor C103 when mains voltage is applied to the LED driver resistors R113 R114 are also connected to the DEMOVP pin UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 8 of 26 NXP Semiconductors U M1 0903 UM10903 6 2 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board The current through inductor L103 during the primary stroke i e during the ton period when the MOSFET is switched on and through resistors R111 R112 determines the voltage on the ISNS pin Visus The PFC converter operates in Boundary Conduction Mode BCM throughout the mains cycle The switching frequency varies from 45 kHz to 150 kHz during each mains cycle During regulation the voltage on the FB pin is 150 mV The result is a current 100 uA flowing through resistor R120 The voltage on the DIV node is 12 V during normal operation If this voltage becomes greater than Vcc 2 17 V i e for an overvoltage condition on Vgys transistor Q105 is in conduction The COMP pin is discharged to ground via transistor Q103 the PFC converter stops switching Diode D107 BAS116H ensures loop protect
10. 7 nF 10 96 50 V X7R 0603 C304 capacitor 100 nF 10 96 50 V X7R 0603 C305 C306 capacitor 1 nF 10 96 50 V X7R 0603 CX101 capacitor 100 nF 20 630 V PET THT BFC233820104 Vishay D101 D103 D108 diode 1 kV S1ML Taiwan Semiconductor D102 diode 600 V 1 A ES1J Fairchild D104 diode Zener 12 V 250 mA BZX384 C12 NXP Semiconductors D105 D201 D202 diode 100 V 300 mA 1N4148W 7 F Diode Inc D203 D109 diode TVS 400 V 800 mA P4SMA400A Littelfuse D205 diode 600 V 1 A MURS160 E3 52T Vishay D206 D207 diode Zener 62 V 300 mA BZX384 C62 NXP Semiconductors D301 diode 420 V 1A S1JL Taiwan Semiconductor D302 diode Zener 3 6 V 250 mA BZX384 C3V6 NXP Semiconductors D303 diode 420 V 1A ES1JL Taiwan Semiconductor D304 D305 diode Zener 18 V 250 mA TDZ18J NXP Semiconductors F101 fuse slow blow 300 V 2 5 A 38312500000 Littelfuse L101 inductor common mode 10 mH 700 mA 744821110 W rth Elektronik L102 inductor 1 5 mH 10 96 700 mA RFC1010B 155KE Coilcraft L103 inductor 2 3 mH 750315571 W rth Elektronik L201 inductor 1 mH 750315572 W rth Elektronik L202 inductor 220 uF 20 96 1 3 A THT 7447471221 W rth Elektronik L301 inductor 1 mH 170 mA 22R105C Murata Q101 transistor NPN 400 V 1 BUJ100LR NXP Semiconductors Q102 MOSFET N 650 V 4 5 A IPS65R950C6AKMA1 Infineon Q103 Q104 transistor NPN 45 V 100 mA BC847 NXP Semiconductors Q105 transistor PNP 400 V 300 mA BC857B 215 NXP
11. EET UM10903 SSL5261DB1350 120 V 18 W 230 V 36 W dual stage dimmable non isolated LED driver board with VLC option Rev 1 3 November 2015 User manual Document information Info Content Keywords SSL5261DB1350 SSL5261AT SSL5261PT SSL5257TE SSL applications dual stage boost PFC buck dimmable non isolated LED driver microcontroller auxiliary power supply Visual Light Communication VLC Abstract This user manual describes the SSL5261DB1350 dual stage dimmable non isolated LED driver board used in Solid State Lighting SSL fixture applications The SSL5261DB1350 LED driver board includes an auxiliary supply for a microcontroller used for instance in smart lighting application The SSL5261DB1350 LED driver board accommodates for Visual Light Communication VLC applications It features the SSL5261AT SSL5261PT and SSL5257TE ICs NXP Semiconductors UM10903 Revision history SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board Rev Date Description v 1 20151103 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 UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 2 of 26
12. MNEM ae AWG16 Ln R15 50V 4 Q105 BC857B STBY R121 Q104 a103 C106 R109 gt AiG BC847 BC847 Mu 4 DIM BUCK 5 6 nid C108 Big C107 C305 4 4 68 10nF 330 kg 10 tne sov 50V 50V C15 Rin R12 D304 D103 R120 100 180 180 TDZ18J sim 15 50V 50V RGND T RGND t 4 4 4 4 020005 Fig 10 SSL5261DB1350 demo board schematic with controller part featuring SSL5261AT M 9 A OF PUE M BL A 021 OSELAGLOCSISS 2060 LNN 5 dXN NXP Semiconductors UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 8 2 3 3 V microcontroller auxiliary supply VRECT FILTER R301 1 2 0301 S1JL U301 mos O94 R305 Em iO nF 50 R306 in 120 R307 150kQ 5 8 7 SSL5257TE 5 9 Fig 11 SSL5261DB1350 demo board schematic with 3 3 V microcontroller auxiliary part featuring SSL5257TE VDD3V3 D302 D302 R304 BZX384 C3V6 aaa 020004 UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 17 of 26 1955 S LOZ 1oefqns s
13. NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 1 Introduction WARNING Lethal voltage and fire ignition hazard 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 mains voltages and high voltage circuits This product shall never be operated unattended The SSL5261DB1350 is a demo board featuring a dual stage dimmable non isolated power supply consisting of a boost PFC using the SSL5261AT a buck controller using the SSL5261PT and a 3 3 V microcontroller auxiliary buck power supply using the SSL5257TE The PCB incorporates a fixture form factor with a minimum component count Target applications are fixture downlight and smart lighting applications using microcontrollers having both analog and Pulse Width Modulation PWM dimming capabilities Visual Light Communication VLC is accommodated for in the application The single PCB dimensions are 110 mm x 39 mm x 24 mm It is designed using CEM 3 or FR4 material and a copper thickness of 80 um The board provides a simple and effective solution for dual stage dimmable non isolated power supplies 1 1 Features PFC controlle
14. V 10 kHz 40 uH maximum saturation current 1 5 750 mA turns ratio 10 1 1 96 tolerance 1 4 8 5 Table 6 Buck inductor construction Wire Description primary wire 8 strand AWG41 litz wire primary number of turns 125 turns wound uniformly in 6 layers auxiliary wire 8 strand AWG41 litz wire auxiliary number of turns 13 turns wound uniformly in 1 layer UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 23 of 26 NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 12 Abbreviations Table 7 Abbreviations Acronym Description BCM Boundary Conduction Mode CEM 3 Composite Epoxy Material 3 EMI ElectroMagnetic Interference FR4 Flame Retardant 4 grade LED Light Emitting Diode OSP Output Short Protection OVP OverVoltage Protection PCB Printed Circuit Board PFC Power Factor Correction PWM Pulse Width Modulation SSL Solid State Lighting VLC Visual Light Communication 13 References 1 SSL5261AT data sheet Mains dimmable LED driver IC 2015 NXP Semiconductors 2 SSL5261PT data sheet Mains dimmable LED driver IC 2015 NXP Semiconductors 3 SSL5257TE data sheet Mains dimmable buck boost LED driver IC 10 Ohm 700 V 2015 NXP Semiconductors 4 UM10904 u
15. ariable 0 96 to 100 96 UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 7 of 26 NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 6 Functional description 6 1 PFC controller Figure 4 shows a simplified SSL5261 AT internal block schematic representing the control of the PFC controller Figure 10 shows the schematic of the complete PFC application This functional description refers to Figure 4 and Figure 10 40 us timer SSL5261AT dim curve WA energize LOGIC FB VA CONTROL AND demagnetization PROTECTION VCC valley detection COMP GND IC DEMOVP ISNS aaa 020000 Fig 4 Simplified internal block schematic describing the SSL5261AT control function The DIM pin is connected to VCC via pull up resistor R107 in the application The corresponding current from the internal V I converter is at its maximum value lre The average current at the V I converter output is regulated to lret during by adapting the regulation voltage on the FB pin to 155 mV See Ref 1 The voltage on the COMP pin changes accordingly and determines the ton time When Vion gt Vcomp Or Visus gt 0 9 V the secondary stroke begins When demagnetization valley is detected at the DEMOVP pin and the energize level is reached or when
16. ary stroke begins All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 10 of 26 NXP Semiconductors U M1 0903 UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board The voltage across the auxiliary winding of inductor L103 determines the voltage on the DEMOVP pin The voltage across the auxiliary winding resistors R213 R214 and R206 and diodes D201 and D202 ensures valley detection demagnetization open string protection of the LEDs and short circuit protection of the driver output The auxiliary voltage is Vays turns ratio during the secondary stroke which is 40 V Vagus 400 V and turns ratio 10 The current through inductor L201 during the primary stroke i e during the ton period when the MOSFET is switched on and through resistors R210 R211 determines the voltage on the ISNS pin Visws The buck operates in BCM The switching frequency is constant at 110 kHz at 120 V With the DIM pin set to 0 6 V a VLC data stream can be AC coupled via capacitor C203 with maximum 25 96 LED current modulation The VLC data stream has a repetition rate of 500 Hz with an average value of zero So the VLC data stream does not influence the average LED current The DIM and COMP pins also realize analog and PWM dimming For analog dimming the minimum dimming is 10 96 of the nominal LED curre
17. ata modulation of LED current 200 malay D MA et Fig 9 VLC data modulation of LED current aaa 020024 UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 15 of 26 1955 G LOZ joefqns s jueuunoop 511 ui uoneuuojul 92 1991 060LWN pamasa 8102 AN S1O ONPUDDIWES 8 Schematic 8 4 PFC controller X101 D101 Pl VBUS L102 WB101 15mH DIS L 5 1108 1 AL dpi 22mH pri ES1J R101 0108 4 Laux 2 2 mH 400 5 5 uH NM VRECT 9 20 4 7 kQ 7 FILTER 1 L101 Q101 Mains N 10 mH 2 3 BUJ100LR aj etus R117 E 33 uF Wa R105 VCC_BUCK 450 V 1 4 3 gt RV101 le randi 33kQ D105 275V LA n cit C102 DIDA Rios inal R118 630 V 100 nF 100 nF 1 8 2 ul 1 2 pea BZX384 C12 ki au Mains F101 VCC_PFC EX DIV AM IPSeSROSOCSAKMAT 300 V2 5 AT BiG Lens R102 DIV 4 7 nF 2119 0106 e 100 50V 120 47KO 1N4148W D107 D109 C109 tt P4SMA400A HAE Bashen 1nF 50V E1 X301 A
18. cts 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 competent 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 al
19. er of turns 205 turns wound uniformly in 12 layers auxiliary wire 10 strand 0 07 mm litz wire auxiliary number of turns 10 turns wound uniformly in 1 layer UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 22 of 26 NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 11 2 Buck inductor The buck inductor is EE16 8 5 8 pins THT horizontal EF16 A 3 00 4 00 lt chamfer locates term 1 lt 14 30 8 1 7 2 o m ng 6 3 nig 8 5 4 aN Q H term numbers for lot code and date code reference only SQ 0 50 8x part must insert fully to m 15 40 surface A in recommended grid 3 80 6x PRI 3 4 t 8 AUX 3 n S 5 1 07 8x recommended Dimensions in mm p c pattern component side aaa 020012 Fig 16 Buck inductor schematic Table 5 Electrical specifications buck inductor All values are specified at 25 C unless otherwise specified Parameter Value Conditions DC resistance 1 4 1 85 0 10 96 20 C DC resistance 8 5 0 22 10 20 C primary inductance 1 4 1 mH 10 100 mV 10 kHz leakage inductance 1 4 28 uH nominal short 8 5 100 m
20. ference EMI HHE SS es er NNNM a Lad eS a Tc LLLI DS ES So ee ee 2 COO LL 3 20 Se gg eo i 20 aaa 020021 1I y amp x _ EI Vmains 230V SSL5261DB1350 demo board EMI performance Fig 7 ervi 13 of 26 NXP Semiconductors N V 2015 All rights res ct to legal disclaimers All information provided in this document is subje UM10903 Rev 1 3 November 2015 User manual NXP Semiconductors UM10903 UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 7 3 Dimming 300 aaa 020022 ILED mA 250 200 150 100 50 0 0 1 0 2 0 3 0 4 0 5 0 6 Analog dim voltage on X301 connector V a Analog 300 aaa 020023 ILED mA 250 200 150 100 50 0 20 40 60 80 100 b PWM Fig 8 SSL5261DB1350 Dimming of SSL5261PT All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 14 of 26 NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 7 4 VLC d
21. ion If either resistor R117 or resistor R118 is open circuit the COMP pin is discharged to ground via diode D107 The PFC converter then stops switching To ensure minimum leakage current at the COMP pin when diode D107 is reverse biased it is a low leakage diode To ensure reliable PFC start up the time constant R106 33 kQ C105 1 uF is chosen so that the Vcc increases with the DIV signal i e determined by Vgus D101 path The STBY function switches off the combined current source transistor Q101 The PFC SSL5261AT and the buck SSL5261PT converters are switched off Low standby power is reached During normal operation the 100 uA current flowing through resistor R120 and the voltage across the other resistors R117 R118 R119 because of this current determine the voltage Vgus supplied to the buck converter 3 3 V microcontroller auxiliary supply For a detailed description see the SSL5257DB1351 3 3 V standby auxiliary power supply to power a microcontroller for smart lighting interfaces user manual Ref 4 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 9 of 26 NXP Semiconductors U M1 0903 UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 6 3 Buck controller supporting PWM and VLC Figure 5 shows a simplified SSL5261PT internal block schematic representing the control
22. l 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 Notwithstanding 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 u
23. l 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 the 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 Safety of high voltage evaluation products 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 that is qualified according to local requirements and labor laws to work with non insulated mains voltages and high voltage circuits The product does not comply with IEC 60950 based national or regional safety standards NXP Semiconductors does not accept any liability for damages incurred due to inappropriate use of this product or related to non insulated high voltages Any use of this product is at customer s own risk and liability The customer shall fully indemnify and hold harmless NXP Semiconductors from any liability damages and claims resulting from the use of the product T
24. manual Rev 1 3 November 2015 4 of 26 NXP Semiconductors UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 3 Specifications Table 1 SSL5261DB1350 specifications Symbol Parameter Value at Vmains 120 V Value at Vmains 230 V IC used SSL5261AT SSL5261AT SSL5261PT SSL5261PT SSL5257TE SSL5257TE V mains AC mains supply voltage 120 V AC 10 230 V AC 10 Pout nominal output power 18 W 36 W LED output voltage 40 V to 80 V 60 V nominal 100 V to 125 V 120 V nominal ILED LED output current 300 mA 300 mA ILED ripple 1 LED output current ripple lt 5 120 Hz lt 5 100 Hz AILED Vmains AlLED nom line regulation lt 10 1 at Vmains 10 96 lt 30 1 96 at Vmains 10 96 Aligp vLED AlLED nom load regulation lt t1 at Vi gp 10 96 lt 40 5 96 at Vi gp 10 96 n efficiency 89 96 gt 92 power factor 0 97 0 97 THD total harmonic distortion 12 12 96 tstartup start up time lt 300 ms lt 300 ms few switching frequency PFC 45 kHz to 150 kHz PFC 45 kHz to 150 kHz buck 75 kHz buck 110 kHz OVP overvoltage protection or Vigp gt 125 V Pin lt 0 5 W Vigp gt 125 V Pin lt 0 6 W open string protection osp output short protection Vien Pin lt 1 1 W Vigp 0 V Pin lt 1 1 W STBY standby function Pin lt 75 mW Pin lt 150 mW board size L x W x
25. nt For PWM dimming a 3 3 V 1 kHz PWM signal is supplied to the COMP pin via resistor R205 100 realizing a dimming range from 0 to 100 When using the VLC option do not use analog or PWM dimming functions Zener diodes D206 and D207 limit the voltage on the output to 125 V during an open string condition without efficiency loss Resistors R207 and R208 ensure that the LED voltage is equally divided across output capacitors C209 and C211 Output capacitors C209 C211 and inductor L202 filters the high frequency switching signal Damping resistor R217 dampens ringing of the modulated LED current where the LED current is modulated with a 500 Hz VLC data stream All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 11 of 26 NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 7T Performance 7 1 Start up Vmains 120 V 020019 b Vmains 230 V Fig 6 SSL5261DB1350 waveforms for Vcc DIV signal and UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 12 of 26 UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board NXP Semiconductors 7 2 ElectroMagnetic Inter
26. r featuring the SSL5261AT Buck controller featuring the SSL5261PT 3 3 V uC auxiliary supply for usage with microcontrollers featuring the SSL5257TE Excellent line and load regulation Open string protection Output short Protection OSP High power factor and low Total Harmonic Distortion THD High efficiency Fast start up Single sided PCB with dimensions of 110 mm x 39 mm x 24 mm UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 3 of 26 NXP Semiconductors U M1 0903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 2 Safety warning UM10903 The SSL5261DB1350 demo board is connected to the mains input Avoid touching the board while it is connected to the mains voltage and when it is in operation Isolated housing is obligatory when used in uncontrolled non laboratory environments Galvanic isolation from the mains phase using a fixed or variable mains transformer is always recommended Figure 1 shows the symbols that identify the isolated and non isolated devices Use a diffuser cover to avoid LED light in contact with the eyes 019aab173 019aab174 a Isolated b Not isolated Fig 1 Isolation symbols All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User
27. ranslations A non English translated version of a document is for reference only The English version shall prevail in case of any discrepancy between the translated and English versions 14 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 Semiconductors N V NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 25 of 26 NXP Semiconductors UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 15 Contents 11 1 11 2 12 13 14 14 1 14 2 14 3 15 Introduction 3 eaa Run ROME Rs 3 Safety warning 4 5 5 Board photographs 6 Board connections 7 Functional description 8 PFC 8 3 3 V microcontroller auxiliary supply 9 Buck controller supporting PWM and VLC 10 12 SlarbUp ia ese e up aee pes arma 12 ElectroMagnetic Interference EMI 13 DIMMING 5 sas ng meten 14 VLC data modulation of LED current 15 ssc eer e s 16 PFC 16 3 3 V microcontroller auxiliary supply 17
28. se 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 modification 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 UM10903 All information provided in this document is subject to legal disclaimers 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 produ
29. ser manual SSL5257DB1351 3 3 V standby auxiliary power supply to power a microcontroller for smart lighting interfaces 2015 NXP Semiconductors UM10903 All information provided in this document is subject to legal disclaimers NXP Semiconductors N V 2015 All rights reserved User manual Rev 1 3 November 2015 24 of 26 NXP Semiconductors UM10903 SSL5261DB1350 120 V 18 W and 230 V 36 W LED driver board 14 Legal information 14 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 14 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 consequentia
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