下载
User's Guide
SLUUAU9A–December 2013–Revised January 2014
Using the TPS92561 Off-Line Boost LED Driver
The TPS92561EVM is a 12-W maximum, 120-VAC non-isolated dimmable LED driver. The
TPS92561EVM implements a dimming solution using the TPS92561 integrated circuit from Texas
Instruments. This user's guide provides electrical specifications, performance data, typical characteristic
curves, schematics, printed-circuit board layout, and a bill of materials.
Contents
1 Introduction .................................................................................................................. 2
2 Description ................................................................................................................... 2
2.1 Typical Applications ................................................................................................ 2
2.2 TPS92561 Features ............................................................................................... 2
3 Electrical Performance Specifications .................................................................................... 3
4 Schematic .................................................................................................................... 4
5 Performance Data and Typical Characteristic Curves ................................................................. 6
5.1 Efficiency ............................................................................................................ 6
5.2 Power Factor ....................................................................................................... 6
5.3 Input Current Total Harmonic Distortion ........................................................................ 7
5.4 Output Ripple ....................................................................................................... 7
5.5 Turn On Waveform ................................................................................................ 8
5.6 Hysteretic Boost PFC Operation ................................................................................. 8
5.7 Dimming – Leviton 6683 Forward Phase Dimmer ............................................................. 9
5.8 Dimming – Lutron Diva 303P Reverse Phase Dimmer ...................................................... 10
5.9 Dimming – Lutron Maestro MAW-600H-LA Electronic Dimmer ............................................ 10
5.10 Dimming – NEMA SSL-6 Compliance ......................................................................... 11
5.11 EMI Scan .......................................................................................................... 12
5.12 Radiated EMI ...................................................................................................... 13
5.13 Dimmer Testing ................................................................................................... 14
6 Reference Design, Assembly Drawing, PCB Layout, and Bill of Materials ........................................ 15
6.1 Reference Design, Assembly Drawing, and PCB Layout ................................................... 15
6.2 Bill of Materials .................................................................................................... 16
Appendix A Detailed Test Setup and Test Data ............................................................................ 18
Appendix B Layout Considerations ........................................................................................... 21
Appendix C EVM Circuit Options Used ...................................................................................... 23
List of Figures
1 TPS92561 Boost Schematic .............................................................................................. 4
2 Dimming Wiring Diagram .................................................................................................. 5
3 TPS92561 Boost Efficiency................................................................................................ 6
4 TPS92561 Boost Input Power Factor .................................................................................... 6
5 TPS92561 Boost Input Current Total Harmonic Distortion............................................................ 7
6 Output Ripple (V
OUT
= 215 V, I
OUT
= 50 mA, THD 7.5%) ............................................................... 7
7 Turn On Waveform, Turn-On Time ≡ 20 ms ............................................................................ 8
8 Hysteretic Control of Boost Inductor Current (at Maximum V
ADJ
Voltage)........................................... 8
9 Hysteretic Control of Boost Inductor Current (at Minimum V
ADJ
Voltage)............................................ 9
10 Leviton Forward Phase Dimmer (90° Conduction Angle).............................................................. 9
11 Lutron Reverse Phase Dimmer (90° Conduction Angle)............................................................. 10
1
SLUUAU9A–December 2013–Revised January 2014 Using the TPS92561 Off-Line Boost LED Driver
Submit Documentation Feedback
Copyright © 2013–2014, Texas Instruments Incorporated
