Texas Instruments TPS254900AQ1EVM-003, User Manual

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General Configuration and Description
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4 SLVUB94 – October 2017
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TPS254900AQ1EVM-003 Evaluation Module
4 General Configuration and Description
4.1 Physical Access
Table 1 lists the TPS254900AQ1EVM-003 connector functionality, Table 2 describes the test point
availability and Table 3 describes the jumper functionality.
Table 1. Connector Functionality
Connector Label Description
J5 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 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 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 (RED) D2 TPS254900A-Q1 FAULT output is triggered
D3 (BLUE) D3 TPS254900A-Q1 STATUS output is triggered
D6 (GREEN) D6 TPS254900A-Q1 output powered
Table 2. Test Points
Test Point Color Label Description
TP1 SM-L VDC TPS254900A-Q1 power switch input from DC-DC converter
TP2 SM-L CS Loop injection point
TP3 SM-L GND GND Test point
TP4 SM-L GND GND Test point
TP7 SM-L STATUS TPS254900A STATUS pin test point
TP8 SM-L FAULT TPS254900A FAULT pin test point
TP9 SM-L VIN TPS254900A VIN pin test point
TP10 SM-L OUT TPS254900A VBUS pin test point
TP11 SM-L IMON TPS254900A IMON pin test point
Table 3. Jumpers
Jumper Label Description
J2 J2 Install to power TPS254900A-Q1 with a DC/DC
J3 J3 USB host furnished input voltage. Install to power TPS254900A-Q1 with a USB
host.
J6 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.