Texas Instruments LP8863EVM, Руководство пользователя

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Setup
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4 SNVU558 – February 2017
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Copyright © 2017, Texas Instruments Incorporated
The LP8863EVM Evaluation Module
System/equipment required:
• Power supplies for V
IN
: 24 V or higher, 6 A or higher
• Power supplies for VDD: 5.5 V or higher, 0.5 A or higher (only needed when external power supply is
used for VDD input. Not needed for default setting)
• Power cables for V
IN
, VDD connection – cables with banana plugs recommended
• LED load board (not included in package): 6 strings, 8 LEDs per string (LEDs per string can be
adjusted by moving jumpers on load board)
• LED cable: 7-position ribbon cable
• USB cable (USB A to mini)
• PC to run GUI software
• Windows
®
7 or previous version)
• GUI software
2.1 Input/Output Connector/Header Descriptions
J3 Input— This header is the power input (VDD) terminal and also probing header for LP8863-Q1 power.
The terminal provides a power connection to allow the user to attach the EVM to a power supply
and also monitor VDD connected to J4.
J4 - Input — This banana socket is the power input (VDD) terminal for LP8863-Q1 power. The terminal
provides a power (VDD) connection to allow the user to attach the EVM to a power supply.
J5 - Input— This banana socket is the power input (VBAT) terminal for the boost converter. The terminal
provides a power (VBAT) connection to allow the user to attach the EVM to a power supply.
J6 – GND— This banana socket is the power input (GND) terminal for the boost converter. The terminal
provides a power ground (GND) connection to allow the user to attach the EVM to a power supply.
J7 – Header— This header is a probing point of SW node.
J8 – GND— This banana socket is the power input (GND) terminal for the boost converter. The terminal
provides a power ground (GND) connection to allow the user to attach the EVM to a power supply.