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General Configuration and Description
4
General Configuration and Description
4.1
Physical Access
Table 1
lists the TPS254900AQ1EVM-003 connector functionality,
availability and
Table 3
Connector
J5
J4
J1
D2 (RED)
D3 (BLUE)
D6 (GREEN)
Test Point
TP1
TP2
TP3
TP4
TP7
TP8
TP9
TP10
TP11
Jumper
J2
J3
J6
4
TPS254900AQ1EVM-003 Evaluation Module
describes the jumper functionality.
Table 1. Connector Functionality
Label
J5
Downstream facing USB 2.0 connector. Connect to the USB 2.0 slave for
data pass through from J4. USB output power is also provided to the slave.
J4
Upstream facing USB 2.0 connector. Connect to the USB 2.0 host for data
pass through to J5. USB input power can also be provided by the host
when the J3 shunt is installed.
J1
Automotive input voltage range connector. Connect to a 7 V–18 V, 1.5-A
voltage source according to the polarity marked on the EVM.
D2
TPS254900A-Q1 FAULT output is triggered
D3
TPS254900A-Q1 STATUS output is triggered
D6
TPS254900A-Q1 output powered
Table 2. Test Points
Color
Label
Description
SM-L
VDC
TPS254900A-Q1 power switch input from DC-DC converter
SM-L
CS
Loop injection point
SM-L
GND
GND Test point
SM-L
GND
GND Test point
SM-L
STATUS
TPS254900A STATUS pin test point
SM-L
FAULT
TPS254900A FAULT pin test point
SM-L
VIN
TPS254900A VIN pin test point
SM-L
OUT
TPS254900A VBUS pin test point
SM-L
IMON
TPS254900A IMON pin test point
Table 3. Jumpers
Label
J2
Install to power TPS254900A-Q1 with a DC/DC
J3
USB host furnished input voltage. Install to power TPS254900A-Q1 with a USB
host.
J6
TPS254900A-Q1 mode select jumper block. Install shunt at EN (1-2) to disable
TPS254900A-Q1. C1, C2, OVP_SEL positions select the charging mode for
TPS254900A-Q1. Refer to the data sheet for more information.
Copyright © 2017, Texas Instruments Incorporated
Table 2
describes the test point
Description
Description
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www.ti.com
SLVUB94 – October 2017
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