Texas Instruments TPS2421-1 Hot Swap Controller Evaluation Module TPS2421-1EVM-02 TPS2421-1EVM-02 데이터 시트
제품 코드
TPS2421-1EVM-02
6.1
Test Points
6.2
Connectors
6.3
Jumpers
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Board Outline
Test Points TP14, TP15, TP16, TP17, are not installed. These are placed on the board unmarked near
Load and Load Return. This is a user option to hardwire additional capacitors, etc to the output.
Load and Load Return. This is a user option to hardwire additional capacitors, etc to the output.
Table 2. Test Points
TEST POINT
NAME
DESCRIPTION
TP1
VIN
Input voltage power supply
TP2
4.3 V REF
$0.3 V reference
TP3
EN
Enable signal, high true
TP4
FLT
Fault signal, low true
TP5
PG
Power good signal, low true
TP6
IMON
Output current monitor, @@Volts / Amp
TP7
LATCH
Latch signal, high true, low for retry
TP8
VOUT
Output voltage
TP9
CT
Fault timer capacitor
TP10
GND
Scope ground test point
TP11
GND
Scope ground test point
TP12
GND
Scope ground test point
TP13
GND
Scope ground test point
Table 3. Connectors
CONNECTOR
DESCRIPTION
J1
Main power input, VIN
J2
Main power ground, GND
J4
Load
J5
Load ground, GND
Jumper J6 is used to disconnect the LEDs for test measurement of TPS2420 quiescent current. This
jumper is normally installed.
jumper is normally installed.
Table 4. Jumpers
JUMPER
DESCRIPTION
J3
TPS2420 only off = latch, on = retry
J6
Installed for normal operation
SLUU343 – January 2009
TPS2420 Hot Swap Controller System Test Board
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