Connections Descriptions
4
SLVUB86 – August 2017
Copyright © 2017, Texas Instruments Incorporated
TPS1H000-Q1 Evaluation Module (EVM)
3
Connections Descriptions
3.1
Connectors and Test Points
lists the connector and test point descriptions.
Table 1. Connector and Test Point Descriptions
Connectors and Test Points
Description
GND1 / GND2
Board GND connector, the return connection to the input power supply
IN
Board input connector, 3.3- or 5-V control signal connection pin
OUT
Board output pin connector, the source terminal of DMOS
FAULT
Board fault output connector
CL
Board current limit output connector
DIAG_EN
Board Diag_En input connector, 3.3- or 5-V control signal connection pin
Vsupply
Board positive input supply voltage connector
OUT1
IC output pin test point
VS
IC positive input supply voltage test point
DELAY_IC
IC current limit function configuration; internal pullup
3.2
Jumpers
lists the EVM jumper descriptions.
Table 2. Jumper Descriptions
Jumpers
Description
J1
Connects board IN to IN_IC.
J2
Connects VS to IN_IC.
J3
Connects a 1-µF capacitance to the GND pin of the device
J4
Connects the DIAG_EN pin to VS
J5
Connects board DIAG_EN to DIAG_EN_IC
J6
Connects the DELAY_IC pin to GND
J7
Connects a 5-V pullup resistance to DELAY_IC
J8
This jumper is used to connect the CL pin to the potentiometer R5
J9
This jumper adds a pullup resistance to the DELAY_IC pin
J10
Connects IN to +5 V
J11
This jumper is used to set a pull up for the FAULT signal
J12
Connects the input supply to the +5-V LDO
J13
This jumper is used to connect OUT to a 10-k
Ω
pullup resistance
J14
This jumper is used to connect OUT to OUT1 (IC OUT)
J15
This jumper connects DIAG_EN to +5 V