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Designator

Quantity

Value

Description

PackageReference PartNumber

Manufacturer

SW1, SW2, SW3,
SW4

4

SWITCH SLIDE DIP SPST 150MA 30V

SWITCH SLIDE DIP
SPST

78B06ST

Grayhill Inc

TP1

1

Test Point, Multipurpose, Orange, TH

Orange Multipurpose
Testpoint

5013

Keystone

TP2

1

Test Point, Multipurpose, Red, TH

Red Multipurpose
Testpoint

5010

Keystone

TP3, TP4

2

Test Point, Multipurpose, Yellow, TH

Yellow Multipurpose
Testpoint

5014

Keystone

TP5, TP6

2

Test Point, Multipurpose, Blue, TH

Blue Multipurpose
Testpoint

5127

Keystone

U1

1

Dual Bidirectional I2C Bus and SMBus
Voltage-Level Translator

PSOP8

TCA39306DCUR

Texas Instruments

FID1, FID2, FID3

0

Fiducial mark. There is nothing to buy or
mount.

N/A

N/A

N/A

R11, R12, R17, R19,
R20, R22, R23

0

0

RES, 0, 5%, 0.063 W, 0402

0402

MCR01MZPJ000

Rohm

U2

0

Dual Bidirectional I2C Bus and SMBus
Voltage-Level Translator

SOT23-8

TCA39306DDFR

Texas Instruments

U3

0

Dual Bidirectional I2C Bus and SMBus
Voltage-Level Translator

X2SON8

TCA39306DTMR

Texas Instruments

Schematic

www.ti.com

8

TCA39306 EVM User's Guide

SCPU045 – JUNE 2021

Submit Document Feedback

Copyright © 2021 Texas Instruments Incorporated

Содержание TCA39306

Страница 1: ...1 Introduction 2 2 Concept 2 2 1 EVM Features 2 2 2 Adjustable pull up resistors 2 2 3 Load Capacitance Selector 3 2 4 DUT locations 4 3 Schematic 6 4 Bill of Material 7 5 Layout 9 6 Revision History...

Страница 2: ...istors which allows for the user to select from a 4 7 k and 820 resistor The board itself has a 10 k pull up resistor on the I2C bus when no resistors are selected from the adjustable pull up bank Whe...

Страница 3: ...acitance due to parasitics from the PCB line traces and ICs on the board For SDA and SCL pins of a device assume 10 pF maximum per device on the I2C line One important aspect to remember is the TCA393...

Страница 4: ...would prefer to use the DDF package then U1 would need to be removed and U2 can then be populated In additional to populating U2 the resistors R11 R12 R17 R19 R22 R20 and R23 all must be populated wi...

Страница 5: ...ed to be populated U1 must be unpopulated to reveal the location of U3 Figure 2 6 shows the location of U3 Figure 2 6 U3 Location www ti com Concept SCPU045 JUNE 2021 Submit Document Feedback TCA39306...

Страница 6: ...ectors for power supplies Adjustable load capacitance Adjustable load capacitance Adjustable load capacitance Adjustable load capacitance Additional GND connectors 1 2 J11 GND 100nF 50V C2 Disable Opt...

Страница 7: ...Standoff 1902C Keystone J1 J2 J3 J4 J7 J8 6 Header 1x1 Tin TH Header 1x1 PEC01SAAN Sullins Connector Solutions J5 J6 J9 J10 4 Header 100mil 2x2 Gold TH 2x2 Header TSW 102 07 G D Samtec J11 J14 J15 3...

Страница 8: ...Blue TH Blue Multipurpose Testpoint 5127 Keystone U1 1 Dual Bidirectional I2C Bus and SMBus Voltage Level Translator PSOP8 TCA39306DCUR Texas Instruments FID1 FID2 FID3 0 Fiducial mark There is nothi...

Страница 9: ...06EVM Bottom Layout 6 Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version DATE REVISION NOTES June 2021 Initial Release www ti com Layout SCPU...

Страница 10: ...ther 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 tec...

Страница 11: ...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 in...

Страница 12: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Страница 13: ...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 electr...

Страница 14: ...R 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 Furthe...

Страница 15: ...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...

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