Texas Instruments TPS43331EVM Evaluation Module TPS43331EVM TPS43331EVM Datenbogen
Produktcode
TPS43331EVM
JP1
active
JP1
shorted
JP2
enabled
JP2
disabled
Setup
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SW2EN – Used to control Switched Regulator 2 on the TPS43331. The switch can be moved at any time
after power has been applied to the EVM.
after power has been applied to the EVM.
Table 4. Switched Regulator 2 Switch Setting
Switcher 2
SW2EN
Disabled
Position 1
Enabled
Position 2
VLREN – Used to control the switched linear regulator on the TPS43331. The switch can be moved at any
time after power has been applied to the EVM.
time after power has been applied to the EVM.
Table 5. Switched Linear Regulator Switch Setting
Switched Linear
VLREN
Disabled
Position 1
Enabled
Position 2
HSDEN – Used to control the high-side switch on the TPS43331. The switch can be moved at any time
after power has been applied to the EVM.
after power has been applied to the EVM.
Table 6. High-Side Driver Switch Setting
High-Side Driver
HSDEN
Disabled
Position 1
Enabled
Position 2
JP1 – Zener Bypass is the jumper used to bypass the reverse battery protection diode.
Figure 2. Reverse Battery Protection Diode Bypass Jumper Settings
JP2 – MSP430 Power is the jumper used to enable the power supply to the MSP430. Power must be
enabled to the MSP430 to control the TPS43331. The MSP430 can be disabled and maintain the state of
the its outputs for EMC testing using the procedure listed under the SYNCH jumper settings, but power
must be supplied to the MSP430.
enabled to the MSP430 to control the TPS43331. The MSP430 can be disabled and maintain the state of
the its outputs for EMC testing using the procedure listed under the SYNCH jumper settings, but power
must be supplied to the MSP430.
Figure 3. MSP430 Regulator Jumper Settings
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TPS43331EVM
SLVU349 – October 2009
Copyright © 2009, Texas Instruments Incorporated