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User's Guide
SLVU965A–October 2013–Revised December 2013
Switch Controlled Direct Drive Switch for Offline LED
Drivers
The TPS92411EVM-001 evaluation module (EVM) helps designers evaluate the operation and
performance of the TPS92411P direct drive switch designed for use with a linear regulator in offline LED
drive applications. The TPS92411P is designed to control the drive of high-brightness light emitting diodes
(LEDs) and features a wide input voltage range (7.5 V to 100 V) and overvoltage protection.
Contents
1 Description ................................................................................................................... 2
1.1 Typical Applications ................................................................................................ 2
1.2 Features ............................................................................................................. 2
2 Warnings and Cautions .................................................................................................... 2
3 Electrical Performance Specifications .................................................................................... 3
4 Schematic .................................................................................................................... 4
5 Performance Data and Typical Characteristic Curves ................................................................. 5
5.1 Power Factor ....................................................................................................... 5
5.2 Line Regulation ..................................................................................................... 5
5.3 Input Voltage and Input Current .................................................................................. 6
5.4 Linear Regulator Drain Voltage and Input Current ............................................................ 6
5.5 Triac Dimming Waveforms ........................................................................................ 7
5.6 EMI Performance ................................................................................................. 10
6 TPS92411EVM-001 PCB layout ......................................................................................... 11
7 Bill of Materials ............................................................................................................. 12
List of Figures
1 TPS92411EVM-001 Schematic........................................................................................... 4
2 Power Factor Versus Input Voltage ...................................................................................... 5
3 Input (Linear Regulator) Current Versus Input Voltage ................................................................ 5
4 Input Voltage (Top) and Input Current (Bottom) ........................................................................ 6
5 Drain Voltage (Top) and Input Current (Bottom)........................................................................ 6
6 Forward Phase Triac Dimming: Input Voltage (Top) and Input Current (Bottom).................................. 7
7 Forward Phase Triac Dimming: Input Voltage (Top) and Input Current (Bottom).................................. 7
8 Forward Phase Triac Dimming: Input Voltage (Top) and Input Current (Bottom).................................. 8
9 Reverse Phase Triac Dimming: Input Voltage (Top) and Input Current (Bottom).................................. 8
10 Reverse Phase Triac Dimming: Input Voltage (Top) and Input Current (Bottom).................................. 9
11 Reverse Phase Triac Dimming: Input Voltage (Top) and Input Current (Bottom).................................. 9
12 Conducted EMI Performance............................................................................................ 10
13 Top Layer and Top Overlay (Top view) ................................................................................ 11
List of Tables
1 TPS92411EVM-001 Electrical Performance Specifications........................................................... 3
2 TPS92411EVM-001 Components List ................................................................................. 12
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SLVU965A–October 2013–Revised December 2013 Switch Controlled Direct Drive Switch for Offline LED Drivers
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