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UM10468

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2011. All rights reserved.

User manual

Rev. 1 — 30 August 2011 

16 of 27

NXP Semiconductors

UM10468

SSL2108X buck evaluation board

9. Schematic

 

Fig 14. Schematic

019aac360

L1

K1

K2

K3

LED+

LED+

LED-

LED-

earth

N

to mains

RGND

to LED’s

DRAIN

HV

1

SSL21081/

SSL21083

SSL21082/

SSL21084

2

3

4

5

6

7

14

13

12

11

10

9

8

n.c.

GND

(GND)

(DVDT)

(SOURCE)

(NTC)

(VCC)

S

VCC

NTC

NTC+

NTC-

GND

RGND

n.c.

GND

GND

DVDT

TONMAX

GND

IC1

C3

C2

C1

L1

L2

C8

D1

D2

FUS 1

C4

C6

J10

J5

J1

J7

J8

J9

J2

J3
J4

J6

C7

C6

R6

RT1
NTC

K4

R5

R1

R2

R3

R4

L3

D3

TP3

test point

TP7

test point

TP6

test point

TP5

test point

TP2

test point

TP4

test point

TP2

test point

TP1

test point

TP2

test point

Содержание SSL2108X

Страница 1: ...SL2108X is a range of high voltage Integrated Circuits ICs intended to drive non dimmable retrofit LED lamps in general lighting applications This document describes the evaluation board for mains ope...

Страница 2: ...ved User manual Rev 1 30 August 2011 2 of 27 Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com NXP Semico...

Страница 3: ...ng Pulse Width Modulation PWM dimming and have many protection features including easy external temperature feedback The SSL2108X driver family is the high performance solution for the next generation...

Страница 4: ...ns for the reference board Parameter Value Comment AC line input voltage SSL21081 and SSL21082 85 V AC to 138 V AC optimized for 100 V AC SSL21083 and SSL21084 230 V AC optimized for 100 V AC Output v...

Страница 5: ...gust 2011 5 of 27 NXP Semiconductors UM10468 SSL2108X buck evaluation board 4 Performance data 4 1 Output load 4 2 Efficiency Curve Fig 2 SSL21081 load curve Io as a function of Vo 60 80 40 100 120 lo...

Страница 6: ...Semiconductors UM10468 SSL2108X buck evaluation board 4 3 Input voltage dependency 4 4 ElectroMagnetic Compatibility data Fig 4 SSL21081 input voltage dependency Io as a function of Vmains VIN 40 80...

Страница 7: ...erved User manual Rev 1 30 August 2011 7 of 27 NXP Semiconductors UM10468 SSL2108X buck evaluation board 1 Peak values 2 Average values Fig 6 SSL21081 EMC measurement N phase according to FCC15 norm 1...

Страница 8: ...bject to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 30 August 2011 8 of 27 NXP Semiconductors UM10468 SSL2108X buck evaluation board 1 Peak values 2 Average values Fig 8 SSL2...

Страница 9: ...8 10 61 25 3 8 3 undefined 6 0 2 undefined 26 0 4 2 undefined 7 34 1 7 undefined 27 3 6 3 undefined 8 0 2 undefined 28 0 2 undefined 9 17 9 5 undefined 29 3 2 3 undefined 10 0 2 undefined 30 0 2 unde...

Страница 10: ...to legal disclaimers NXP B V 2011 All rights reserved User manual Rev 1 30 August 2011 10 of 27 NXP Semiconductors UM10468 SSL2108X buck evaluation board 1 Drain voltage VDRAIN 2 Source voltage VSOUR...

Страница 11: ...en attaching an LED load to a board under power hot plugging an inrush peak current occurs due to discharge of capacitor C3 After several discharges the LEDs will deteriorate or become damaged Jumper...

Страница 12: ...ts These protective features cause the IC to halt until a reset is executed If VCC drops below its restart level the IC resets the latched protection mode Restarting the evaluation board is done by re...

Страница 13: ...o provide extra filtering to meet EMC norms Power factor of the evaluation board depends mainly on the input resistance of the input fused resistor FUS1 A higher resistance proportionally increases th...

Страница 14: ...ss An increased value for the inrush current resistor causes the board to operate with the most phase cut dimmers but also lowers the efficiency If a higher power factor is not required but leading ed...

Страница 15: ...tection the pre soldered NTC RT1 can be used Alternatively a user defined NTC resistor can be directly connected to this pin through connector K4 Remove the pre soldered NTC RT1 in this case If necess...

Страница 16: ...K3 LED LED LED LED earth N to mains RGND to LED s DRAIN HV 1 SSL21081 SSL21083 SSL21082 SSL21084 2 3 4 5 6 7 14 13 12 11 10 9 8 n c GND GND DVDT SOURCE NTC VCC S VCC NTC NTC NTC GND RGND n c GND GND...

Страница 17: ...unted D1 bridge rectifier 1 A 600 V Multicomp DBLS105G D2 TVS 200 V 1 5 KW ST Microelectronics 1 5KE 200A D3 ES1J 1 A 600 V Multicomp ES1J Fus 1 fused resistor 2 W 10 R Welwyn EMC2 10RK J1 to J9 heade...

Страница 18: ...capacitor 10 F 200 V Nichicon UVZ2D100MPD1TD C2 filter capacitor 10 F 200 V Nichicon UVZ2D100MPD1TD C3 ripple capacitor 2 2 F 450 V Panasonic ECA2WHG2R2 C4 dV dt capacitor 150 pF 2000 V Multicomp MCCA...

Страница 19: ...23 Table 6 SSL21082 Bill of materials continued Ref Description and value Manufacturer and part no Remark Table 7 SSL21083 Bill of materials Ref Description and value Manufacturer and part no Remark A...

Страница 20: ...08 2 K3 header Fischer Elektronik BL3 36Z K4 header Fischer Elektronik BL3 36Z L1 filter inductor 1 mH 170 mA Murata power solutions 22R105C L2 filter inductor wire L3 buck inductor 3 3 mH 100 mA Mura...

Страница 21: ...BLS105G D2 TVS 400 V 1 5 kW ST Microelectronics 1 5KE400A D3 ES1J 1 A 600 V Multicomp ES1J Fus 1 fused resistor 2 W 22 Welwyn EMC2 22RKI J1 J9 headers Fischer Elektronik MK 05 50G J10 header n m Fisch...

Страница 22: ...SL2108X buck evaluation board R5 inrush resistor 0 Multicomp MC 0 1W 0805 0R R6 resistor 0 Multicomp MC 0 1W 0805 0R RT1 NTC 100 k EPCOS B57164K104J TP1 TP8 test pins Vero 20 313138 X56 jumper link Fi...

Страница 23: ...in Figure 15 is a large format footprint Its size enables the full functionality of the SSL2108X IC family to be highlighted The measurement pins connectors and other components are used to allow any...

Страница 24: ...B V 2011 All rights reserved User manual Rev 1 30 August 2011 24 of 27 NXP Semiconductors UM10468 SSL2108X buck evaluation board a Top view SSL21081 SO8 reference board b Top view SSL21082 SO12 refere...

Страница 25: ...Buck converter for SSL applications Table 9 Abbreviations Acronym Description BCM Boundary Conduction Mode CCM Continuous Conduction Mode DCM Discontinuous Conduction Mode EMC ElectroMagnetic Compati...

Страница 26: ...ons 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 d...

Страница 27: ...d 5 4 2 Efficiency Curve 5 4 3 Input voltage dependency 6 4 4 ElectroMagnetic Compatibility data 6 4 5 SSL21081 mains harmonics 9 5 Connection data 11 5 1 The board connections 11 6 Functional descrip...

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