Connections Descriptions
4
SLVUBA6 – October 2017
Copyright © 2017, Texas Instruments Incorporated
TPS1HA08x Evaluation Module
ADVANCE INFORMATION
3
Connections Descriptions
3.1
Connectors and Test Points
lists the EVM connector and test point descriptions.
Table 1. Connector and Test Point Descriptions
Connectors and Test Points
Descriptions
T1
High current input terminal for VBB
T2
High current output terminal for VOUT
T3
High current input terminal for GND
VBB_S
Test point used to measure VBB
VOUT
Test point used to measure VOUT
EN
Test point used to apply power to EN, only use when J1 is not connected to 5 V or GND
DIA_EN
Test point used to apply power to DIA_EN, only use when J2 is not connected to 5 V or GND
SEL1
Test point used to apply power to SEL1, only use when J3 is not connected to 5 V or GND
SEL2
Test point used to apply power to SEL2, only use when J3 is not connected to 5 V or GND
ST
Test point used to measure ST
LATCH
Test point used to apply power to LATCH, only use when J7 is not connected to 5 V or GND
SNS
Test point used to measure SNS
LDO_VCC
Test point used to apply power to the 5-V TPS7A1650DGNR LDO, only use when J6 is
disconnected
GND_IC
This is a direct connection to the GND pin of the IC
TP_GND1
This is a connection to the GND plane of the EVM
TP_GND2
This is a connection to the GND plane of the EVM
TP_GND3
This is a connection to the GND plane of the EVM
3.2
Jumpers
lists the EVM jumper descriptions.
Table 2. Jumper Descriptions
Jumpers
Description
J1
This jumper is used to connect the EN pin to 5 V (2-3) or GND (1-2)
J2
This jumper is used to connect the DIA_EN pin to 5 V (1-2) or GND (2-3)
J3
This jumper is used to connect the SEL1 and SEL2 pins to 5 V or GND
J4
This jumper connects the ST pin to a 10-k
Ω
pullup resistance
J5
This jumper is used to bypass the ground network used for reverse polarity protection
J6
This jumper is used to power the 5-V TPS7A1650DGNR LDO with the VBB input for the EVM
J7
This jumper is used to connect the LATCH pin to 5 V (2-3) or GND (1-2)
J8
This jumper connects VOUT to an indication LED, showing the user when VOUT is powered
J9
This jumper connects the output of the TPS7A1650DGNR LDO to the 5-V supply net on the EVM