Datasheet
5.2 Jumper Installation
5.3 Test Results
5V/div
5A/div
5V/div
500μs/div
12VINcurrent
SLOT_PWR
(TP4)
/EN12
(TP8)
5V/div
2V/div
200mA/div
500μs/div
3V3INCurrent
SLOT_MP
(TP5)
/EN3
(TP7)
Test Set-Up
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The TPS2458EVM makes use of various jumpers for quick change of functional configurations. Verify the
module was supplied with shunt jumpers installed across the headers listed in Table 4 . For 3-pin headers,
note the pin pairs to be connected. Reconfigure jumper connections if necessary.
Table 4. Initial Jumper Settings
SIGNAL AND CONTROL JUMPERS
J7, J9
J11–J16
On the EVM board, place the ENABLE slide switches, located along the bottom edge of the PCB, in the
initial positions shown in Table 5 .
Table 5. ENABLE Switch Initial Positions
SECTION SWITCH NAME INITIAL POSITION
SLOT MP DIS
PWR DIS
PWR_OR ENA
Set all 4 DIP positions of switch S4 to the CLOSED position.
Figure 3. Output Ramp-Up Waveforms – Figure 4. Output Ramp-Up Waveforms –
SLOT_PWR Rail SLOT_MP Rail
TPS2458 ATCA™ AdvancedMC™ Controller6 SLUU348A – February 2009 – Revised August 2009
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