Texas Instruments TPS65185 User manual

SLVU548A–October 2011–Revised November 2017

TPS65185 Evaluation Module

User's Guide

SLVU548A–October 2011–Revised November 2017

TPS65185 Evaluation Module

The hardware and software described in this document may slightly vary from the content of the EVM

package. However, operating and installation procedures remain the same.

Contents

1 EVM Package Contents..................................................................................................... 2

2 Hardware...................................................................................................................... 2

3 Software....................................................................................................................... 2

4 EVM Overview ............................................................................................................... 3

4.1 Powering Up the EVM - GPIO Control........................................................................... 4

5 Software Installation Instruction............................................................................................ 4

6 Powering Up the EVM - Software Control................................................................................ 5

6.1 Configuration Registers/BASIC Tab.............................................................................. 5

6.2 GPIO/I2C Controls Tab............................................................................................. 6

7 Other Functions.............................................................................................................. 7

8 Application Considerations ................................................................................................. 7

9 EVM Schematic.............................................................................................................. 8

10 Bill of Materials............................................................................................................... 8

List of Figures

1 Included Hardware .......................................................................................................... 2

2 TPS65185 EVM.............................................................................................................. 3

3 setup.exe File Location ..................................................................................................... 4

4 Startup Panel TPS65185 Control Software .............................................................................. 5

5 GPIO/I2C Control Tab ....................................................................................................... 6

6 JP1, JP2, and JP3 Must Be Removed Before Using the GUI GPIO Control........................................ 6

List of Tables

1 Bill of Materials............................................................................................................... 9

Trademarks

All trademarks are the property of their respective owners.

USB Interface

Adapter

TPS65185 EVM

Ribbon Cable

USB Cable

EVM Package Contents

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1 EVM Package Contents

The EVM package contains the following components:

• EVM (TPS65185 installed)

• User’s guide

• USB interface adapter

• USB interface cable

• Ribbon cable

• Software

2 Hardware

Figure 1. Included Hardware

3 Software

• TPS65185 GUI setup file: setup.exe

TPS65185

(installed)

GPIO JUMPERS

USB interface

connector

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EVM Overview

SLVU548A–October 2011–Revised November 2017

TPS65185 Evaluation Module

4 EVM Overview

Figure 2 identifies the main components of the EVM. The exact configuration of the EVM may vary from

the image below.

Figure 2. TPS65185 EVM

EVM Overview

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4.1 Powering Up the EVM - GPIO Control

To power up the EVM follow the steps outlined below:

• Install WAKEUP jumper in the GND position.

• Install VCOM_CTRL jumper in the GND position.

• Install PWRUP jumper in the VIO position.

• Connect the EVM to the USB interface adapter using the 10-lead ribbon cable.

• Connect the USB interface connector to the computer USB port using a standard USB cable.

• Connect a 3-V - 6-V supply from the VIN terminal to GND.

• Move the WAKEUP jumper from the GND position to VIO position.

The TPS65185 should start immediately with the predefined power-up sequence and voltage settings.

NOTE: Please note that although in this example no software control and therefore no I2C

communication is required, the USB interface still needs to be connected. This is because

the interface board also provides the 3.3-V VIO rail. To operate the EVM without the

interface, connect a 3.3-V supply from VIO to GND.

5 Software Installation Instruction

The following section explains the procedure for installing the Graphical User Interface (GUI) onto a

Windows based PC. A USB interface adapter is required to connect the EVM to a PC and should have

been provided with the EVM.

Additional interfaces can be ordered through www.ti.com/tool/usb-to-gpio.

If the software has been installed already, skip the following section and continue at Operating

Instructions.

To install the EVM software follow the steps outlined below:

• Copy the TPS65185 folder to your computer.

• Double-click on the setup.exe file in the TPS65185\Volume directory.

• Follow the prompts to finish the installation.

• At the end of the installation you may be asked to reboot your computer.

Figure 3. setup.exe File Location

BIT=1

BIT=0

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Powering Up the EVM - Software Control

SLVU548A–October 2011–Revised November 2017

TPS65185 Evaluation Module

6 Powering Up the EVM - Software Control

To power up the EVM follow the steps outlined below:

• Install WAKEUP jumper in the GND position.

• Install VCOM_CTRL jumper in the GND position.

• Install PWRUP jumper in the GND position.

• Connect the USB interface connector to the computer USB port using a standard USB cable.

• Connect a 3-V - 6-V supply from the VIN terminal to GND.

• Move the WAKEUP jumper from the GND position to VIO position.

• Run the TPS65185.exe software:

– Click on “start".

– Click on “All Programs”.

– Select TPS65185 program group.

– Click on TPS65185.

The following window should appear:

This image is for illustration only and does not represent the default register settings.

Figure 4. Startup Panel TPS65185 Control Software

Update the Slave Address to 0x68h and click on the ACTIVE bit in the ENABLE register. All regulators

should power up.

6.1 Configuration Registers/BASIC Tab

The BASIC panel represents the register map and contains a button for each bit. A depressed button

represents a bit set to ‘1’ and a released button represents a ‘0’.

Powering Up the EVM - Software Control

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6.2 GPIO/I2C Controls Tab

Use this page to change the I2C interface data rate and SDA/SCL pullup resistors which are built into the

USB interface adapter.

This tab also provides controls for the VCOM_CTRL, PWRUP, and WAKEUP pins. Please note that the

jumpers JP1, JP2, and JP3 must be removed to control the pins through the GUI.

Figure 5. GPIO/I2C Control Tab

Figure 6. JP1, JP2, and JP3 Must Be Removed Before Using the GUI GPIO Control

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Other Functions

SLVU548A–October 2011–Revised November 2017

TPS65185 Evaluation Module

7 Other Functions

• To clear the GUI panel, press the “CLEAR ALL” button. Note that this function has no effect on the

TPS65185. This function is useful to verify that “READ ALL” function is working properly.

• Individual registers can be read and written to using the READ and WRITE buttons. The data is

displayed in HEX format.

• The default setting for the GUI is to update the register settings immediately after the user changes

values. Select “MANUAL” update control if you wish to change multiple values before writing to the

TPS65185.

• The GUI periodically polls the TMST_VAL, ENABLE, INT1, INT2, and PG_STAT registers to reflect the

current status of the device. The polling interval can be adjusted by the user by entering a number

below the "AUTO POLL" button. Release the "AUTO POLL" button to disable automatic polling.

8 Application Considerations

For production systems, VDDH_D and VEE_D should have dedicated 100-nF capacitors to GND. This

evaluation module demonstrates the various features of the TPS65185x, but does not necessarily

constitute a robust production design.

4.7uF 10VC1

10uF 10VC4

1MR3

VIN

VIO

4.7uF 10VC2

1MR7VIO

4.7uF 25V

X6S

C12

4.7uF 25V

X6S

C13

122

4.7uH

L2 A2

1D6

10uF

10V

C19

4.7uF 25V

X6S

C27

D4 D5

10nF 25VC23

4.7uF 25V

X6S

C30

4.7uF 25V

X6S

C31VPOS

122

2.2uHL1 VIN

10uF 25V

X6S

4.7uF

X6S

C34

D2 D3

4.7uF 25V

X6S

C26

10nF 25VC21

SDA

SCL

PWRUP

4.7uF 10VC5

43KR2

WAKEUP

VNEG 1MR6

1MR1

47.5kR10

52.3KR4

10KNTC

DNIC17

DNIC14

VEE

GND

GNDGND

GND

VDDH

VIN3P3

V3P3

VCOM

10KR8

10KR9

VIO

VCOM_CTRL

4.7uF 25V

X6S

C33

GND

VREF

nINT

VNEG

VNEG_IN

WAKEUP

DGND

INT_LDO

AGND1

VNEG_DIS

VIN

N/C

VCOM_CTRL

N/C

VCOM_DIS

VCOM

VCOM_PWR

SCL

SDA

VPOS_DIS

N/C

PWRUP

PBKG

PWR_GOOD

VIN_P

VN_SW 25

VN 26

VEE_IN 27

VEE_DRV 28

VEE_DIS 29

VEE_D 30

VEE_FB 31

PGND2 32

VDDH_FB 33

VDDH_D 34

VDDH_DIS 35

VDDH_DRV 36

VDDH_IN 37

N/C 38

N/C 39

VB_SW 40

PGND1 41

VB 42

VPOS_IN 43

VPOS 44

VIN3P3 45

V3P3 46

TS 47

AGND2 48

PPAD

TPS65185

nINT

GND

VIN

GND

VPOS

4.7uF

X6S

GND

0R12VNEG

0R5

0R11

0R13

0R14

TP1VREF

TP3VNEG

TP7INT_LDO

TP10VIN

TP15VCOM

TP33VDDH_FB

TP31VEE_FB

TP44VPOS

TP47TS

GND

TP43VB

*TP27VN

TP2nINT

TP23PWR_GOOD

VIO WAKEUP

PWRUP

VCOM_CTRL

JP1

JP2

JP3

VPOS

VCOM

VNEG

GND

VEE

VDDH

VIN

GND

GPIO7

GPIO6

GPIO5

GPIO4

V3p3

GND

GPIO3

GPIO2

SCL

SDA

GND

SDA

SCL

VIO

100kR17 100kR16 100kR15

PWRUP

VCOM_CTRL

WAKEUP

VIN3P3

V3P3

GND

100nF25VC35 GND

100nF25VC36 GND

*TP29VEE

*TP35VDDH

EVM Schematic

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9 EVM Schematic

10 Bill of Materials

Table 1 lists the bill of materials for the TPS65185EVM.

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Bill of Materials

SLVU548A–October 2011–Revised November 2017

TPS65185 Evaluation Module

Table 1. Bill of Materials

Quantity Designator Value Footprint Manufacturer Manufacturer's Part No. Description Comment

3 C1, C2, C5 4.7uF 0603 Murata GRM188R60J475KE19D CAP CER 4.7UF 6.3V X5R 0603 Cap

2 C4, C19 10uF 0603 Murata GRM188R60G106ME47D CAP CER 10UF 4V X5R 0603 Cap

1 C6 10uF 0805 Murata GRM21BR70J106KE76L CAP CER 10UF 6.3V X7R 0805 Cap

9 C7, C12, C13, C26, C27, C30, C31, C33, C34 4.7uF 1206 Taiyo Yuden UMK316BJ475KL-T CAP CER 4.7UF 50V X5R 1206 Cap

1 C14 DNI 0603 DNI

1 C17 DNI 0603 Cap

2 C21, C23 10nF 0603 Murata GRM188R71E103KA01D CAP CER 10000PF 25V 10% X7R 0603 Cap

2 C35, C36 100nF 0603 Murata GRM188R71E104KA01D CAP CER .1UF 25V 10% X7R 0603 Cap

6 D1, D2, D3, D4, D5, D6 SOD-123 On Semi MBR130T1G DIODE SCHOTTKY 30V 1A SOD123 Diode

3 J1, J2, J3 ED1514 TB_4X3.5MM On Shore ED555/4DS TERMINAL BLOCK 3.5MM 4POS PCB

1 J4 2510-6002UB CONN_2510-6002UB 3M 2510-6002UB SHROUDED HEADER 10 POS STRAIGHT CONN_2510-6002UB

3 JP1, JP2, JP3 JMP0.3 Samtec Inc TSW-150-07-T-D CONN HEADER 100POS .100" DL TIN JUMPER 3 PIN

1 L1 2.2uH CDRH6D28 Murata LQH55DN2R2M03L Power Inductors 2.2uH 20% Inductor

1 L2 4.7uH CDRH6D28 Murata LQH55DN4R7M03L Power Inductors 4.7uH 20% Inductor

1 NTC 10K 0603 Rohm Semi MCR03EZPFX1002 RES 10.0K OHM 1/10W 1% 0603 SMD

4 R1, R3, R6, R7 1M 0603 Rohm Semi MCR03EZPFX1004 RES 1.00M OHM 1/10W 1% 0603 SMD Res1

1 R2 43K 0603 Rohm Semi MCR03EZPFX4302 RES 43.0K OHM 1/10W 1% 0603 SMD

1 R4 52.3K 0603 Rohm Semi MCR03EZPFX5232 RES 52.3K OHM 1/10W 1% 0603 SMD Res1

5 R5, R11, R12, R13, R14 0 0603 Rohm Semi MCR03EZPJ000 RES 0.0 OHM 1/10W 0603 SMD Res1

2 R8, R9 10K 0603 Rohm Semi MCR03EZPFX1002 RES 10.0K OHM 1/10W 1% 0603 SMD Res1

1 R10 47.5k 0603 Rohm Semi MCR03EZPFX4752 RES 47.5K OHM 1/10W 1% 0603 SMD Res1

3 R15, R16, R17 100k 0603 Rohm Semi MCR03EZPFX1003 RES 100K OHM 1/10W 1% 0603 SMD Res1

1 TP1 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VREF

1 TP2 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE nINT

1 TP3 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VNEG

1 TP7 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE INT_LDO

1 TP10 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VIN

1 TP15 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VCOM

1 TP23 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE PWR_GOOD

1 TP27 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VN

1 TP29 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VEE

1 TP31 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VEE_FB

1 TP33 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VDDH_FB

1 TP35 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VDDH

1 TP43 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VB

1 TP44 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE VPOS

1 TP47 STD TP-032 Keystone Electronics 5002 TEST POINT PC MINI .040"D WHITE TS

1 U1 RGZ (S-PQFP-N48) TPS65185

4 N/A N/A N/A 3M SJ-5303 (CLEAR) BUMPON HEMISPHERE .44X.20 CLEAR

3 N/A NA N/A Sullins Connector SPC02SYAN CONN JUMPER SHORTING GOLD FLASH

Revision History

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Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Original (October 2011) to A Revision .................................................................................................... Page

• Added slave address update to the Powering Up the EVM - Software Control section ......................................... 5

• Added the Application Considerations section ........................................................................................ 7

• Changed the EVM Schematic ........................................................................................................... 8

• Changed the Bill of Materials............................................................................................................ 9

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