background image

IMPORTANT NOTICE AND DISCLAIMER

TI

 

PROVIDES

 

TECHNICAL

 

AND

 

RELIABILITY

 

DATA

 

(INCLUDING

 

DATASHEETS),

 

DESIGN

 

RESOURCES

 

(INCLUDING

 

REFERENCE

 

DESIGNS),

 

APPLICATION

 

OR

 

OTHER

 

DESIGN

 

ADVICE,

 

WEB

 

TOOLS,

 

SAFETY

 

INFORMATION,

 

AND

 

OTHER

 

RESOURCES

 

“AS

 

IS”

 

AND

 

WITH

 

ALL

 

FAULTS,

 

AND

 

DISCLAIMS

 

ALL

 

WARRANTIES,

 

EXPRESS

 

AND

 

IMPLIED,

 

INCLUDING

 

WITHOUT

 

LIMITATION

 

ANY

 

IMPLIED

 

WARRANTIES

 

OF

 

MERCHANTABILITY,

 

FITNESS

 

FOR

 

A

 

PARTICULAR

 

PURPOSE

 

OR

 

NON-INFRINGEMENT

 

OF

 

THIRD

 

PARTY

 

INTELLECTUAL

 

PROPERTY

 

RIGHTS.

These

 

resources

 

are

 

intended

 

for

 

skilled

 

developers

 

designing

 

with

 

TI

 

products.

 

You

 

are

 

solely

 

responsible

 

for

 

(1)

 

selecting

 

the

 

appropriate

 

TI

 

products

 

for

 

your

 

application,

 

(2)

 

designing,

 

validating

 

and

 

testing

 

your

 

application,

 

and

 

(3)

 

ensuring

 

your

 

application

 

meets

 

applicable

 

standards,

 

and

 

any

 

other

 

safety,

 

security,

 

or

 

other

 

requirements.

 

These

 

resources

 

are

 

subject

 

to

 

change

 

without

 

notice.

 

TI

 

grants

 

you

 

permission

 

to

 

use

 

these

 

resources

 

only

 

for

 

development

 

of

 

an

 

application

 

that

 

uses

 

the

 

TI

 

products

 

described

 

in

 

the

 

resource.

 

Other

 

reproduction

 

and

 

display

 

of

 

these

 

resources

 

is

 

prohibited.

 

No

 

license

 

is

 

granted

 

to

 

any

 

other

 

TI

 

intellectual

 

property

 

right

 

or

 

to

 

any

 

third

 

party

 

intellectual

 

property

 

right.

 

TI

 

disclaims

 

responsibility

 

for,

 

and

 

you

 

will

 

fully

 

indemnify

 

TI

 

and

 

its

 

representatives

 

against,

 

any

 

claims,

 

damages,

 

costs,

 

losses,

 

and

 

liabilities

 

arising

 

out

 

of

 

your

 

use

 

of

 

these

 

resources.

TI’s

 

products

 

are

 

provided

 

subject

 

to

 

TI’s

 

Terms

 

of

 

Sale

 

(

www.ti.com/legal/termsofsale.html

)

 

or

 

other

 

applicable

 

terms

 

available

 

either

 

on

 

ti.com

 

or

 

provided

 

in

 

conjunction

 

with

 

such

 

TI

 

products.

 

TI’s

 

provision

 

of

 

these

 

resources

 

does

 

not

 

expand

 

or

 

otherwise

 

alter

 

TI’s

 

applicable

 

warranties

 

or

 

warranty

 

disclaimers

 

for

 

TI

 

products.

Mailing

 

Address:

 

Texas

 

Instruments,

 

Post

 

Office

 

Box

 

655303,

 

Dallas,

 

Texas

 

75265

Copyright

 

©

 2020

,

 

Texas

 

Instruments

 

Incorporated

Содержание TPS3899EVM

Страница 1: ... of Figures Figure 1 1 Board Top 2 Figure 1 2 Board Bottom 3 Figure 2 1 TPS3899EVM Schematic 4 Figure 2 2 Component Placement Top Assembly 6 Figure 2 3 Component Placement Bottom Assembly 6 Figure 2 4 Layout Top 6 Figure 2 5 Layout Bottom 6 Figure 2 6 Top Layer 7 Figure 2 7 Bottom Layer 7 Figure 2 8 Top Solder Mask 7 Figure 4 1 Sense Delay Oscilloscope Capture 10 Figure 4 2 Reset Delay Oscilloscop...

Страница 2: ...e a pull up resistor and R1 must be disconnected Please also note if using TPS3899EVM with the active high variant TPS3899PHXX the active low RESET label on the EVM board and throughout this User Guide becomes active high RESET The TPS3899EVM offers connections for all of the input and output pins on the TPS3899 Figure 1 1 Board Top Introduction www ti com 2 TPS3899EVM Voltage Supervisor User Guid...

Страница 3: ...r and protection equipment Factory Automation Field Transmitters PLC Fire Safety Systems Electronic Point of Sale Portable Battery Powered Systems 2 Schematic Bill of Materials and Layout This section provides a detailed description of the TPS3899EVM schematic bill of materials BOM and layout www ti com Introduction SLVUBZ3 SEPTEMBER 2020 Submit Document Feedback TPS3899EVM Voltage Supervisor User...

Страница 4: ...tic Figure 2 1 TPS3899EVM Schematic Schematic Bill of Materials and Layout www ti com 4 TPS3899EVM Voltage Supervisor User Guide SLVUBZ3 SEPTEMBER 2020 Submit Document Feedback Copyright 2020 Texas Instruments Incorporated ...

Страница 5: ...10 0k RES 10 0 k 1 0 1 W 0603 0603 RC0603FR 0710KL Yageo R2 1 47 5k RES 47 5 k 1 0 1 W 0603 0603 RC0603FR 0747K5L Yageo SH J3 SH J4 SH J5 3 Shunt 100mil Tin plated Black Shunt Connector Black Open Top 2x1 SNT 100 BK T H Samtec TP1 TP2 TP3 TP4 TP5 TP6 6 Test Point Miniature SMT Test Point Miniature SMT 5019 Keystone U1 1 Nano 125 nA IQ 1 Accurate Voltage Supervisor Push Button Monitor with Programm...

Страница 6: ...Figure 2 3 Component Placement Bottom Assembly Figure 2 4 Layout Top Figure 2 5 Layout Bottom Schematic Bill of Materials and Layout www ti com 6 TPS3899EVM Voltage Supervisor User Guide SLVUBZ3 SEPTEMBER 2020 Submit Document Feedback Copyright 2020 Texas Instruments Incorporated ...

Страница 7: ...2 7 Bottom Layer Figure 2 8 Top Solder Mask www ti com Schematic Bill of Materials and Layout SLVUBZ3 SEPTEMBER 2020 Submit Document Feedback TPS3899EVM Voltage Supervisor User Guide 7 Copyright 2020 Texas Instruments Incorporated ...

Страница 8: ...eave CTR pin floating no capacitor for minimum reset delay TP6 GND Connect to GND pin Allows user to connect to GND 3 2 EVM Jumpers Table 3 2 lists the jumpers on the TPS3899EVM As ordered the EVM will have five jumpers and three shunts Table 3 2 EVM Jumpers Jumper Default Connection Description J1 Shorted Both pins on J1 are shorted together Connect either pin on jumper J1 to the input power supp...

Страница 9: ...ltage TPS3899XX01 R1 47 5k R2 10k x0 174 Voltage Divider 0 51 V 0 536 V 2 93 V 3 08 V 4 3 Reset Output RESET The TPS3899EVM includes the default TPS3899DL01 device variant that includes open drain active low output topology for the RESET pin The other device variations provide different output topologies and can be used on this EVM If using a TPS3899 device variation with push pull output topology...

Страница 10: ...an 10µF between the corresponding CTS or CTR pin and GND The relationship between the external capacitors and sense and reset time delays is given by Equation 1 and Equation 2 respectively The recommended maximum delay capacitor for the TPS3899 is limited to 10µF as this ensures there is enough time for the capacitor to fully discharge when the reset condition occurs tD SENSE 618937 x CCTS tD SENS...

Страница 11: ...be held for the sense time delay set by the CTS capacitor for the reset to become active After the reset becomes asserted the push button no longer affects the reset output and reset will remain asserted for the reset time delay set by the CTR capacitor This configuration is useful if needing to hold a device on off for a certain duration of time after a specified push button press has occurred Se...

Страница 12: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Страница 13: ... These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Страница 14: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Страница 15: ... any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Страница 16: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has...

Страница 17: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

Отзывы: