Texas Instruments TPS2379 Evaluation Module TPS2379EVM-106 TPS2379EVM-106 Datenbogen
Produktcode
TPS2379EVM-106
General Configuration and Description
5
General Configuration and Description
5.1
Physical Access
lists the TPS2379EVM connector functionality,
describes the test point availability and
describes the jumper functionality.
Table 2. Connector Functionality
Connector
Label
Description
Power over ethernet (POE) input. Connect to power sourcing equipment (PSE) power and data
J1
PWR+DATA
source.
J2
DATA
Ethernet data pass through. Connect to downstream ethernet device.
Output connector to load. Connect pin #4 (VDD) to positive input and pin #1 (RTN) to low side of
J4
J4
load. Pin #2 (CDB) can be used to inhibit the converter while the TPS2379 output is ramping up. Pin
#3 (T2P) can be used to notify the load of when high power source is present.
#3 (T2P) can be used to notify the load of when high power source is present.
D1 (RED)
T2P
T2P (type 2 PSE) LED. When ON this indicates that a type 2 PSE is detected.
D2 (GREEN)
ON
TPS2379 Output Powered.
Table 3. Test Points
Test Point
Color
Label
Description
TP6
WHT
GATE
Gate output to external MOSFET
TP3
RED
PAIR12
Data pair from pins 1 and 2 of J1
TP4
ORG
PAIR36
Data pair from pins 3 and 6 of J1
TP5
RED
PAIR45
Spare pair from pins 4 and 5 of J1
TP7
ORG
PAIR78
Spare pair from pins 7 and 8 of J1
TP1
RED
VDD
High side output from bridge
TP2
WHT
T2P
Type 2 PSE output from TPS2379
TP9
BLK
RTN
Switched low side from TPS2379
TP8
WHT
CDB
Converter disable output from TPS2379
TP11
BLK
VSS
Low side output from bridge
TP10
SM
EGND
Earth or chassis ground point
TP12
BLK
ESNS
External MOSFET current sense point
Table 4. Jumpers
Jumper
Label
Description
J3
J4
LED bias jumper. Install to furnish LED bias for T2P and ON LED’s
J5
J5
Switched output return bypass jumper.
This jumper can be used to switch in alternate non-standard detection resistors. When
J6
XDEN
the shunt is removed, the standard 24.9k
Ω
is used and when the shunt is installed, the
detection resistance is ~12.5k
Ω
This jumper can be used to switch in alternate non-standard classification resistors.
J7
XCLS
When the shunt is removed, the standard class 4 63.4
Ω
(40mA) resistor is used and
when the shunt is installed, the classification resistance is ~37.4
Ω
(68mA).
5
SLVU687 – March 2012
TPS2379 EVM User’s Guide
Copyright © 2012, Texas Instruments Incorporated