Setup
4
Setup
This section describes setup of the EVM.
4.1
Additional Hardware
Two external power supplies are required to operate the EVM. One supply must deliver 5 A at 5 V and the
other must deliver 1 A at 1.8 V.
NOTE:
I
2
C™ Bus: A personal computer and USB-TO-GPIO box and cable are required to use the
I2C bus with the GUI.
4.2
Jumper Settings
Verify shorting jumpers are installed per
Table 1. Jumper Settings
Jumper
Shunt Location
JP1
Between pin1 and pin2
JP2
Between pin2 and pin3
JP3
Between pin2 and pin3
JP4
Between pin2 and pin3
JP5
Between pin2 and pin3
JP6
Between pin2 and pin3
JP7
Between pin2 and pin3
JP8
Between pin2 and pin3
JP9
Between pin2 and pin3
JP10
Between pin2 and pin3
JP11
Between pin1 and pin2
4.3
Power Supply Connections
Set the 5-V power supply to the off state and connect it to the VBAT input header, J9; positive lead to pin
1 and negative lead to pin 6.
Make sure the 1.8-V power supply is switched off and connect it to the VDDIO input header, J43; positive
lead to pin 1 and negative lead to pin 2.
Switch on the 1.8-V power supply.
Switch on the 5-V power supply.
Neither supply sources more than a few milliamps in this no load condition.
4.4
Operation
If the preceding instructions were followed, the EVM is operating under its default conditions. Refer to the
TPS65912x data sheet (
) for default converter/LDO state and loading conditions.
12
TPS65912xEVM-081
SLVU750A – July 2012 – Revised May 2013
Copyright © 2012–2013, Texas Instruments Incorporated