Setup
2
SLVUBT6A – October 2019 – Revised May 2020
Copyright © 2019–2020, Texas Instruments Incorporated
Using the TPS8804EVM
The CO sensor is connected to J17 screw terminals with the sensor counter terminal tied to AGND.
2.2
Jumper and Switch Configurations
The S1 switch position determines the VMCU voltage at power-up. Ensure that only one S1 sub-switch is
in the ON position.
displays the VMCU voltage corresponding with each S1 switch position. For
proper operation with the USB2ANY adapter, set VMCU to 3.3 V with sub-switch 4.
Table 1. VMCU Power-up Voltage
S1 Switch Position
VMCU
1
1.5V
2
1.8V
3
2.5V
4
3.3V
The J2 jumper connects VSLC to VCC. A single supply connected to VCC powers the entire EVM with the
jumper connected.
The J6 jumper selects the I
2
C device address. Connect J6 to the AGND position to set the address to
0x3F. Connect J6 to the VMCU position to set the address to 0x2A. The GUI is compatible with both
options and defaults to 0x2A.
