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The TCA9802EVM evaluation module (EVM) allows the user to connect power to and buffer and translate
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C commands to the onboard slave device, TMP102. The EVM allows the designer to load and test
different capacitive loading and has the option of replacing a series resistor with an inductor to emulate the
parasitic inductance of cables. Parameters such as rise time, power consumption, and delay times can
easily and accurately be evaluated. For additional details on I
and the data sheet, see www.ti.com/I2C.
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Trademarks
All trademarks are the property of their respective owners.
SLVUB32 - March 2017
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TCA9802 I
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Copyright © 2017, Texas Instruments Incorporated
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C Buffer Evaluation Module
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C buffer performance, application notes,
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List of Figures
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List of Tables
TCA9802 I
User's Guide
SLVUB32 - March 2017
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C Buffer Evaluation Module
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Related Manuals for Texas Instruments TCA9802 I2C
Summary of Contents for Texas Instruments TCA9802 I2C
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Page 1: Table Of Contents
Vias Labeled on the TCA9802EVM List of Tables ................... Bill of Materials TCA9802EVM Trademarks All trademarks are the property of their respective owners. SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 2: Introduction
Footprints to test various capacitive loads and series inductance to emulate real-world parasitic affects EVM Hardware Block Diagram and Images The TCA9802EVM is an evaluation module for the Texas Instruments TCA9802 and TCA980x family of C buffers. It provides basic functionality evaluation for the device. -
Page 3: Tca9802Evm Schematic
EVM Hardware Block Diagram and Images www.ti.com Figure 1. TCA9802EVM Schematic SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 4: Hardware Description
OE1 for U1, OE2 for U2, SDA, and SCL data lines. U2 is by default loaded with TCA9802. Connect +V to the EVM using J1-6. SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... - Page 5 U3 and U4 (TMP102). JUMPER SCLA2 SCLA SCLB SCLA TMP102 SCLA1 SDAA SDAB SCLA SDAA2 SCLB SDAA TCA9802 TMP102 SDAA1 SDAA SDAB SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
- Page 6 TCA9517 at U2, calculate the appropriate pullup resistor and load them on to the desired pullup resistor location on the B side of the device. SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
- Page 7 This was designed to reduce the ground loop to minimize noise being picked up by the probe. This allows for capturing clean waveforms. SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
- Page 8 U3 and U4, have their supply on V , therefore not affecting V current measurements. Digital Multimeter: Current Measurement TMP102 SDAB2 SCLB2 TMP102 SDAB1 SCLB1 SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
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Page 9: Layout
Layout Figure 2 Figure 3 show the PCB layout images. Figure 2. TCA9802EVM Top Layout Figure 3. TCA9802EVM Bottom Layout SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 10: Setup
C master are connected as follows: SDAA = J1-1, SCLA = J1-2, GND = J1-3,4,5,7, or 8, and +V = J1-6. SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 11: Operation
C address of 0x49. Instructions on how to communicate with the TMP102 temperature sensor are found in the TMP102 data sheet (SBOS397). SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... -
Page 12: Bill Of Materials (Bom)
V Input, with High-Bandwidth PSRR, 5-pin SC70 (DCK) FID1, FID2, FID3 Fiducial mark. There is nothing to buy or mount. Fiducial SLVUB32 – March 2017 TCA9802 I C Buffer Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated... - Page 13 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
- Page 14 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
- Page 15 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/ /www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 3.4 European Union 3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive): This is a class A product intended for use in environments other than domestic environments that are connected to a low-voltage power-supply network that supplies buildings used for domestic purposes.
- Page 16 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2017, Texas Instruments Incorporated...
- Page 17 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products;...
- Page 18 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TCA9802EVM...
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