General Configurations
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4
General Configurations
The following sections describe physical access, test equipment, test setup, and test procedures for the
EVM.
4.1
Physical Access
Table 2
lists the TPS25940XEVM-635 input and output connector functionality.
Table 3
describes the test
point availability and
Table 4
describes the jumper functionality.
Table 2. Input and Output Connector Functionality
Connector
Label
Description
J3
CH1
VIN1(+), GND(–)
CH1 Input power supply to the EVM
J2
VOUT1(+),GND(–)
CH1 Output power from the EVM
J8
CH2
VIN2(+), GND(–)
CH2 Input power supply to the EVM
J7
VOUT2(+),GND(–)
CH2 Output power from the EVM
Table 3. Test Points Description
Channe
Test Points
Label
Description
l
CH1
TP3
VIN1
CH1 Input power supply to the EVM
TP8
EN_UV1
CH1 Active high enable and under voltage input
TP5
OVP1
CH1, Active high overvoltage input (>16.5V)
TP11
IMON1
CH1 Current monitor. Load current = 1.187 × voltage on TP11
TP2
VOUT1
CH1 Output from the EVM
TP9
PG1
CH1 Power good test point
TP4
FLTb1
CH1, Fault test point
TP12
GND
GND
TP13
GND
GND
TP14
GND
GND
CH2
TP15
VIN2
CH2 Input power supply to the EVM
TP17
EN_UV2
CH2 Active high enable and under voltage input
TP18
OVP2
CH2, Active high overvoltage input
TP22
IMON2
CH2 Current monitor. Load current = 1.187 × voltage on TP22
TP16
VOUT2
CH2 Output from the EVM
TP21
PG2
CH2 Power good test point
TP20
FLTb2
CH2, Fault test point
TP24
GND
GND
TP25
GND
GND
TP26
GND
GND
Table 4. Jumper and LED Descriptions
Jumper
Label
Description
J1
J1
Priority Mux Setting (applicable to TPS25942XEVM-635)
J4
LO - HI
CH2 Current Setting
J5
J5
PG1 and FLTb1 setting
J6
J6
DEVSLP1 Setting
J9
LO - HI
CH2 Current Setting
J10
J10
DEVSLP2 Setting
D2 (Red)
D2
CH1 circuit fault indicator. LED turns on when the internal MOSFET is disabled due to
a fault condition such as over load , short circuit, under voltage etc.
4
TPS25940XEVM-635: Evaluation Module for TPS25940X
SLVUA44 – June 2014
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