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User's Guide
SLVU321 – September 2009
TPS62113EVM-465
This user’s guide describes the characteristics, operation, and use of the TPS62113EVM-465 WLED Drive
and Voltage Regulator evaluation module (EVM). The EVM features two independent circuits – one
demonstrates the device as a typical voltage regulator, and a second demonstrates the circuit as a current
regulator driving a white LED (WLED). This user’s guide includes setup instructions for the hardware, a
schematic diagram, a bill of materials, and printed-circuit board layout drawings for the evaluation module.
The TPS62113 device features an adjustable undervoltage shutdown feature using the LBI input. See the
data sheet for additional information.
Contents
1 Introduction ................................................................................................................... 2
2 Setup .......................................................................................................................... 3
3 Design Procedure Divider Network ........................................................................................ 4
4 Test Results .................................................................................................................. 5
5 Printed-Circuit Board Layout ............................................................................................... 7
6 Schematic and Bill of Materials ........................................................................................... 10
7 Related Documentation From Texas Instruments ..................................................................... 12
List of Figures
1 WLED Section Efficiency at Iout of 500 mA .............................................................................. 5
2 Voltage Regulator Section Efficiency Versus Vin at Iout of 1 A ....................................................... 5
3 Voltage Regulator Section Efficiency Versus Iout for Vin 6 V and 12 V ............................................. 6
4 Assembly Layer .............................................................................................................. 7
5 Top Layer Routing ........................................................................................................... 8
6 Bottom Layer Routing ....................................................................................................... 9
7 TPS62113EVM-465 Schematic, WLED Section ....................................................................... 10
8 TPS62113EVM-465 Schematic, Voltage Regulator Section ......................................................... 11
List of Tables
1 Performance Specification Summary ..................................................................................... 2
2 TPS62113EVM-465 Bill of Materials ..................................................................................... 12
Golden DRAGON is a trademark of OSRAM Opto Semiconductor GmbH.
SLVU321 – September 2009 TPS62113EVM-465 1
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