Test Setup and Results
3
SLVUBV7 – May 2020
Copyright © 2020, Texas Instruments Incorporated
TPS25846-Q1 Evaluation Module
2.1
Physical Access
lists the TPS25846Q1EVM-117 connector functionality,
describes the jumper
configuration,
shows LED labels and description, and
describes the test point availability.
Table 1. Connectors
Connector
Component Type
Description
J1
Terminal block
Power input connector for TPS25846-Q1. Connect to a 6-V to 36-V power supply.
J2
USB Type-A connector, plug
Upstream facing USB 2.0 Type A connector. Connect to the USB 2.0 host for data
pass through to J7. The power pin of this connector is float.
J3
USB Type-A connector,
receptacle
Downstream facing USB Type-A connector. Connect to the USB Type-A slave for
data pass through from J2 and BC1.2 identification.
Table 2. Jumpers
Jumper
Label
Description
J4
CTRL1
Install shunt to select CTRL1 as LOW. Remove shunt to select CTRL1 as HIGH.
CTRL2
Install shunt to select CTRL2 as LOW. Remove shunt to select CTRL2 as HIGH.
Table 3. LED
LED
Label
Description
D2
FAULT
FAULT signal LED. Turn on when FAULT asserts.
Table 4. Test Points
Test Point
Label
Description
TP1
VCC
VCC pin test point via R1
TP2
CSN(VOUT)
CSN pin test point and DC/DC output test point
TP3
CSP
Test point of CSP pin
TP4
VIN
VIN pin test point
TP5
EN
EN pin test point or external EN input
TP6
RT
RT pin test point or external clock input
TP7
VBUS
USB Type-A VBUS test point
TP8, TP9,TP10,TP11
GND
Power ground test point
TP12
FLT
FAULT pin test point