Datasheet

Setup
2 LP8556TM-EVM User’s Guide August 2012
7. LP8556 USAGE AND PROGRAMMING .................................................................. 14
7.1. IN CIRCUIT OPERATION ...................................................................................... 14
7.2. ENABLE AND STANDBY ...................................................................................... 14
7.3. BOOST CONVERTER CONFIGURATION ............................................................ 15
7.4. LED DRIVER CONFIGURATION ........................................................................... 16
7.5. SAFETY FEATURE SETTINGS ............................................................................. 17
7.6. ID REGISTER ......................................................................................................... 17
7.7. EPROM SETTINGS EXAMPLES ........................................................................... 18
7.8. INSTRUCTIONS FOR BURNING THE EPROM .................................................... 20
LIST OF FIGURES
Figure 1: LP8556TM-EVM Picture ................................................................................................................................ 3
Figure 2: LP8556TM-EVM Test Setup .......................................................................................................................... 5
Figure 3: LP8556TM-EVM Configuration ...................................................................................................................... 6
Figure 4: Sense Resistors on the LED Current Sinks Detail ........................................................................................ 6
Figure 5: LED Board Configuration ............................................................................................................................... 7
Figure 6: LP8556TM-EVM Evaluation Software Window ............................................................................................. 8
Figure 7: Top Assembly Layer .................................................................................................................................... 10
Figure 8: LP8556TM-EVM Schematic ........................................................................................................................ 12
Figure 9: LED Board Schematic ................................................................................................................................. 13
LIST OF TABLES
Table 1: Device and Package Configurations ............................................................................................................... 3
Table 2: Component List ............................................................................................................................................. 11
Table 3: Example EPROM Configuration Using External Resistors ........................................................................... 18
Table 4: Example EPROM Configuration Using I2C Control ...................................................................................... 19