Texas Instruments TPS60251EVM-192, Руководство пользователя, Страница: 2 / 15

Setup
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2 Setup
This chapter describes the jumpers and connectors on the EVM, as well as how to properly connect, set
up, and use the TPS60251EVM-192.
2.1 Input/Output Connector Descriptions
J1 – VIN
This is the positive input voltage connection to the converter. The EVM operates from any supply voltage
between 3 V and 6 V. The leads to the input supply should be twisted and kept as short as possible to
minimize EMI transmission and input voltage droop.
J2 – GND
This is the input return connection for the input power supply.
J3 – USB to GPIO Connector
This is the connector for the interface box. Connect the ribbon cable from the USB-to-GPIO (HPA172)
interface box to this connector.
J4 – VIO
This is the positive input voltage for the I
2
C circuitry. Connect an input supply from 1.8 V to the VIN input
voltage to set the VIL and VIH levels for the I
2
C circuitry.
J5 – VLED CATHODE DM5
This is the DM5 connection for using an external aux display WLED bank. Connect the cathode(s) of the
external aux display bank to this input.
J6 – VLED ANODE DM5
This is the anode connection for using an external aux display WLED bank. Connect the anode(s) of the
external aux display bank to this output.
JP1 – DM1
JP1 is used to connect the cathode of the DM1 LED to the DM1 pin on the TPS60251. Place a shunt on
JP1 to connect the WLED to the DM1 input. Remove the shunt to measure the DM1 current or use an
external WLED for DM1.
JP2 – DM2
JP2 is used to connect the cathode of the DM2 LED to the DM2 pin on the TPS60251. Place a shunt on
JP2 to connect the WLED to the DM2 input. Remove the shunt to measure the DM2 current or use an
external WLED for DM2.
JP3 – DM3
JP3 is used to connect the cathode of the DM3 LED to the DM3 pin on the TPS60251. Place a shunt on
JP3 to connect the WLED to the DM3 input. Remove the shunt to measure the DM3 current or use an
external WLED for DM3.
JP4 – DM4
JP4 is used to connect the cathode of the DM4 LED to the DM4 pin on the TPS60251. Place a shunt on
JP4 to connect the WLED to the DM4 input. Remove the shunt to measure the DM4 current or use an
external WLED for DM4.
JP5 – DM5
JP5 is used to connect the cathode of the DM5 LED to the DM5 pin on the TPS60251. Place a shunt on
JP5 to connect the WLED to the DM5 input. Remove the shunt to measure the DM5 current or use an
external WLED for DM5.
2 TPS60251EVM-192 SLVU209B – April 2007 – Revised December 2012
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