Texas Instruments UCD3138 Series User Manual
Practical design guideline
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- Technical reference manual (532 pages) ,
- User manual (64 pages)
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Summary of Contents for Texas Instruments UCD3138 Series
- Page 1 UCD3138 Family - Practical Design Guideline User's Guide Literature Number: SLUA779 August 2016...
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Page 2: Table Of Contents
............2.12 Layout Example for UCD3138128A by Using a Single Ground ....................2.13 DPWMS Synchronization ......................2.14 External Clock ....................EMI/EMC Mitigation Guideline ......................Special Consideration Contents SLUA779 – August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 3: List Of Figures
2-16. Layout Example for UCD3138128A on Internal Ground Layer ..................3-1. Optional Ground Layer Assignment ..............4-1. Single Ground Plane for a Power Module Design SLUA779 – August 2016 List of Figures Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 4: Introduction
SGND. This document covers UCD3138 family including non-A version UCD family, for example, UCD3138, UCD3138064, and UCD3138128; and A version-UCD family, for example, UCD3138A, UCD3138064A, and UCD3138128A. Introduction SLUA779 – August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 5: Ucd3138 Pin Connection Recommendation
For example, the sampling frequency is 10k, the cut off frequency of LPF is 1k. With 1k equivalent resistor, the cap should be selected as 0.15 µF. SLUA779 – August 2016 UCD3138 Pin Connection Recommendation Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 6: Eap And Ean Pins
When the pins are not used, tie them to a single ground plane SGND or DGND if there are two separate ground planes. UCD3138 Pin Connection Recommendation SLUA779 – August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 7: Dpwm Pins
A local resistor close to the signal receiver (like LED) is used to terminate the coupled noise. If the big voltage swings, clamping diodes are needed for GPIO inputs, as shown in Figure 2-6. SLUA779 – August 2016 UCD3138 Pin Connection Recommendation Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 8: Bias Supply And Grounding
Bias Supply and Grounding www.ti.com Figure 2-6. Clamping Diodes for GPIO Bias Supply and Grounding Figure 2-7. 3.3-V and Ground Connection Diagram for UCD3138A (64-Pin) UCD3138 Pin Connection Recommendation SLUA779 – August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 9: V And Ground Connection Diagram For Ucd3138 (64-Pin)
Bias Supply and Grounding www.ti.com Figure 2-8. 3.3-V and Ground Connection Diagram for UCD3138 (64-Pin) Figure 2-9. 3.3-V and Ground Connection Diagram for UCD3138A (40-Pin) SLUA779 – August 2016 UCD3138 Pin Connection Recommendation Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 10: Bp18
Figure 2-11 Figure 2-16 are layout examples of device supplies and ground for UCD3138 families. In these examples, a single ground (SGND) is used. UCD3138 Pin Connection Recommendation SLUA779 – August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 11: Layout Example For Ucd3138Argc On Top Layer
Note: V33D and V33DIO are connected to the same net Figure 2-11. Layout Example for UCD3138ARGC on Top Layer Figure 2-12. Layout Example for UCD3138ARGC on Internal Ground Layer SLUA779 – August 2016 UCD3138 Pin Connection Recommendation Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 12: Layout Example For Ucd3138Argc By Using A Single Ground
2.11 Layout Example for UCD3138ARGC by Using a Single Ground Figure 2-13. Layout Example for UCD3138A (40-Pin) on Top Layer Figure 2-14. Layout Example for UCD3138A (40-Pin) on Internal Ground Layer UCD3138 Pin Connection Recommendation SLUA779 – August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 13: Layout Example For Ucd3138128A By Using A Single Ground
2.12 Layout Example for UCD3138128A by Using a Single Ground Figure 2-15. Layout Example for UCD3138128A on Top Layer Figure 2-16. Layout Example for UCD3138128A on Internal Ground Layer SLUA779 – August 2016 UCD3138 Pin Connection Recommendation Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 14: Dpwms Synchronization
In the devices UCD3138128A, if the XTAL_IN (Pin 61) and XTAL_OUT (Pin 62) are not used for external clock, tie them to 1.8 V (Pin BP18) through a 1-kΩ resistor respectively. UCD3138 Pin Connection Recommendation SLUA779 – August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 15: Emi/Emc Mitigation Guideline
By shielding the primary side windings, the EMI can be effectively reduced so that the surrounding circuit can have quieter working environment. SLUA779 – August 2016 EMI/EMC Mitigation Guideline Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 16: Special Consideration
Make sure there is no current flow from power train into the signal ground plane. Figure 4-1. Single Ground Plane for a Power Module Design Special Consideration SLUA779 – August 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 17 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions.
- Page 18 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 19 【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 SPACER EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
- Page 20 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 © 2015, Texas Instruments Incorporated...
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Page 21: Important Notice
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
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