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LP8556SQ-EVM/NOPB 产品设计参考手册 - TI（德州仪器）
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TI（德州仪器）
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开发套件
描述:
TEXAS INSTRUMENTS LP8556SQ-EVM/NOPB 评估模块, LP8556SQ-EVM/NOPB
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LP8556SQ-EVM/NOPB数据手册
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Setup
2 LP8556SQ-EVM User’s Guide October 2012
7. LP8556 USAGE AND PROGRAMMING .................................................................. 15
7.1. IN CIRCUIT OPERATION ...................................................................................... 15
7.2. ENABLE AND STANDBY ...................................................................................... 15
7.3. BOOST CONVERTER CONFIGURATION ............................................................ 16
7.4. LED DRIVER CONFIGURATION ........................................................................... 17
7.5. SAFETY FEATURE SETTINGS ............................................................................. 18
7.6. ID REGISTER ......................................................................................................... 18
7.7. EPROM SETTINGS EXAMPLES ........................................................................... 19
7.8. INSTRUCTIONS FOR BURNING THE EPROM .................................................... 21
LIST OF FIGURES
Figure 1: LP8556TM-EVM Picture ................................................................................................................................ 3
Figure 2: LP8556TM-EVM Test Setup .......................................................................................................................... 7
Figure 3: LP8556TM-EVM Configuration ...................................................................................................................... 5
Figure 4: Sense Resistors on the LED Current Sinks Detail ........................................................................................ 5
Figure 5: LED Board Configuration ............................................................................................................................... 6
Figure 6: LP8556TM-EVM Evaluation Software Window ............................................................................................. 9
Figure 7: Top Assembly Layer .................................................................................................................................... 11
Figure 8: LP8556TM-EVM Schematic ........................................................................................................................ 13
Figure 9: LED Board Schematic ................................................................................................................................. 14
LIST OF TABLES
Table 1: Device and Package Configurations ............................................................................................................... 3
Table 2: Component List ............................................................................................................................................. 12
Table 3: Example EPROM Configuration Using External Resistors ........................................................................... 19
Table 4: Example EPROM Configuration Using I2C Control ...................................................................................... 20
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