Texas Instruments TPS65253, Руководство пользователя

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5.2 Jumpers
Table 5-1. Jumpers
JUMPER
NO.
FUNCTION PLACEMENT COMMENT
JP6 BUCK1 enable (EN1)
For sequencing do not fit jumper.
To disable converter fit jumper to GND.
Fit according to test requirement
JP15 BUCK2 enable (EN2)
For sequencing do not fit jumper.
To disable converter fit jumper to GND.
Fit according to test requirement
JP20 LOW_P
Low power: Power save mode ON/OFF.
If need low power mode test, should connect V3V.
Fit according to test requirement.
During normal operation jumper must be
fitted.
JP24 PGOOD
Pulls PGOOD signal to internal 3V3 rail or
grounds pin
Fit according to test requirement
5.3 Test Points and Placement
Buck converter outputs are white and have a label for easy location. Close to any of these test points there
are black ground test points to allow for DVM measurement or to use a metal exposed scope probe to reduce
common mode noise measurements. All test points are described in
Table 5-2 .
Table 5-2. Test Points and Placement
TEST
POINT
NAME SIGNAL COLOR COMMENT
TP1, TPS, TP3,
TP4, TP5
GND Ground Black
TP8 VIN Input supply White
TP9, TP9A VOUT1 Buck1 output White
TP9B Input for gain-phase measurement Buck1 White Normally not used
TP11, TP11A VOUT2 Buck2 output White
TP11B Input for gain-phase measurement Buck2 White Normally not used
TP20 Low_P Low Power input White
TP24 PGOOD
Power Good
(open drain connected to Buck1 output)
White
www.ti.com Bench Test Setup Conditions
SLVU469B – JUNE 2011 – REVISED MAY 2021
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TPS65253 Buck Converter Evaluation Module User's Guide 9
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