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Challenging the world with advanced material products

A dvanced M aterial O n TECH nology. Come with AMOTECH for the Future based on past and present!. Challenging the world with advanced material products. EMI-ESD Solution of AMOTECH. Sep. 2004 AMOTECH Co. www.amotech.co.kr. AMOTECH Co. AMOS Div. AMECS Div. AMOTRON Div. Amorphous Core.

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Challenging the world with advanced material products

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  1. AdvancedMaterialOnTECHnology Come with AMOTECH for the Future based on past and present! Challenging the world with advanced material products

  2. EMI-ESD Solution of AMOTECH Sep. 2004 AMOTECH Co. www.amotech.co.kr

  3. AMOTECH Co. AMOS Div. AMECS Div. AMOTRON Div. Amorphous Core BLDC Motor Ceramic Component (Chip Varistor, RF Comp.) AMOTECH Biz. Division AMOTECH is… AMOTECH is built on advanced materials, the cornerstone of future industries, AMOTECH (Advanced Materials On TECHnology) designs, develops, manufactures and markets a broad range of high quality components and materials to serve the telecommunications and energy conversion industries worldwide.

  4. Major Customers – Mobile Phone AMOTECH in the Market Worldwide Market Share – Mobile Devices Company ‘M’ 3% Etc. 9 % Company ‘T’ 17 % Note) Calculating Market Share for only Hand-Held Electronics Devices Company ‘A’ 18 % Company ‘E’ 25 % AMOTECH 28 %

  5. Single type : 0402size • Array type : 2-Array, 0405 (2 of 0402) 4-Array, 0508 (4 of 0402) • 0405 (4 of 0201) • 8-Array, 0508 (8 of 0201) • Low Capacitance Series(3 pF ~ 100 pF) • Ultra low Capacitance( Typ. 0.8 pF ) Effectiveness in ESD/ EMI Protection For effective design For high data trans. rate For EMI sensitive ICs For sensitive signal intensity • ESD Filter Series with EMI filter effect. • Feed-thru type EMI • Ignorable attenuation value in ULCV Competitiveness - Product & Value Product Line-up AMOTECH’S products line-up of varistors & Filters, ranging from ultra low cap single to array which has EMI filter effect with various capacitance value, can offer total solutions for ESD/ EMI protection in mobile phone.

  6. AMOTECH ESD/EMI Components AMOTECH in the Market 0402 0405 0508 0405 0508 ULCV(0.8 pF) New New New 0508 0508 New New

  7. Dimension of Array Type I Spec. of new products 1. Dimension – AVSC 04F Series ① 0405 = 4 elements of 0201 size

  8. Dimension of Array Type II Spec. of new products 1. Dimension –AVSC 05E, AVFC, AVRC 05Q Series ② 0508 = 8 elements of 0201 size

  9. Compact Array Varistor Spec. of new products 2. Recommended Land Pattern ① 0405 = 4 elements of 0201 size ② 0508 = 8 elements of 0201 size

  10. Compact Array Varistor Spec. of new products 1. Equivalent Circuit ① 0405 = 4 elements of 0201 size ③ Connection Method ② 0508 = 8 elements of 0201 size

  11. 330 Ω 50~100MΩ 150pF DC HV TEST SAMPLE I/O Impedance 50 Ω Frequency Range DC-4GHz 1GHz,5GS/s 60dB ATTENUATOR (1000:1 probe) OSCILLOSCOPE ESD SIMULATOR Conditions of ESD Test Spec. of new products Test Method : IEC61000-4-2 , Level 4, 8kV Contact Discharge 150pF,330 Ω(Human Body Model)

  12. 1600 500 400 1200 300 200 800 Voltage [V] Voltage [V] 100 400 0 -100 0 -200 0 20 40 60 80 100 0 20 40 60 80 100 Time [ns] Time [ns] Compact Array Spec. of new products 2. ESD Protection Effect – AVSC 5S 05E 025 Without Compact Array With Compact Array

  13. ① ⑧ ② ⑦ ⑥ ③ ⑤ ④ Compact Array Spec. of new products 3. Cross Talk Between 1- 8

  14. Specifications of Compact Array Spec. of new products 4. Electrical Properties of New Varistor

  15. Feed-thru Type EMI-ESD Filter Spec. of new products 1. Equivalent Circuit of single component of 4-elements array

  16. Feed-thru Type EMI-ESD Filter Spec. of new products 1-1. Equivalent Circuit Comparison Single Chip Varistor of single component of F-T Filter What is changed in circuit? Ls Ls • LP : (Ls + Ls) = 100 : 70 • Fast Response Time • Increased ESD Protection LP RV RP LP’ LP: Parasitic Inductance LP’: 30% of LP Ls: Series Inductance RV: Varistor Resistance RP: ZnO Resistance

  17. 500 1600 400 1200 300 200 800 Voltage [V] Voltage [V] 100 400 0 -100 0 -200 0 20 40 60 80 100 0 20 40 60 80 100 Time [ns] Time [ns] Feed-thru Type EMI-ESD Filter Spec. of new products 2. ESD Protection Effect – AVFC 5S 05Q 050 Without Feed-thru Type Filter With Feed-thru Type Filter

  18. Feed-thru Type EMI-ESD Filter Spec. of new products 3. EMI Filtering Effect 0 -10 -20 IL(dB) AVFC 18S05Q015 -30 AVFC 14S05Q030 15pF AVFC 5S05Q050 30pF 50pF -40 AVFC 5S05Q100 100pF -50 10 100 1000 5000 Frequency (MHz)

  19. R-C Type EMI-ESD Filter Spec. of new products 1. Equivalent Circuit of single component of 4-elements array

  20. 500 1600 400 1200 300 200 800 Voltage [V] Voltage [V] 100 400 0 -100 0 -200 0 20 40 60 80 100 0 20 40 60 80 100 Time [ns] Time [ns] R-C Type EMI-ESD Filter Spec. of new products 2. ESD Protection Effect Without R-C Type Filter With R-C Type Filter

  21. (1) 1600 1200 500 (2) (1) Voltage [V] 400 800 300 400 (2) 200 Voltage [V] 100 0 0 40 60 80 100 Time [ns] -100 -200 0 20 40 60 80 100 0 20 Time [ns] Simulation of ESD Protection

  22. 0 -10 -20 IL(dB) AVRC 18S05Q015100R -30 AVRC 14S05Q030100R 15pF AVRC 5S05Q050100R 30pF 50pF -40 AVRC 5S05Q100100R 100pF -50 10 100 1000 3000 Frequency (MHz) R-C Type EMI-ESD Filter Spec. of new products 3. EMI Filtering Effect

  23. 0 -10 -20 IL(dB) -30 -40 -50 10 100 1000 3000 Frequency (MHz) EMI- Filtering

  24. Specification of New EMI-ESD Filter Spec. of new products 4. Electrical Properties of New Varistor

  25. EMI-ESD Filter Spec. of new products 4. Cross Talk ( Between channel 1- 2) AVRC 5S 05Q 050 100R AVFC 5S 05Q 050 ① ② ③ ④

  26. ESD Current IC PCB How to use chip varistor MLV Application BAD BAD Placed Chip varistor at the edge of the PCB, ground directly using wide tracks and multiple vias. Route tracks through the ESD suppressor. GOOD

  27. 1000 USB 1.1 USB 2.0 Capacitance (pF) 100 ~35 pF 10 ~4 pF 1 4 5 6 7 8 9 10 10 10 10 10 10 Capacitance vs. Transmission Rate MLV Application Transmission Rate (bps)

  28. LCD Driver IC R-Array R-Array AVSC Connector AVSC LCD Module AVRC AVFC Main Chip AVFC • LCD Part ESD filter Application • 1. Main Chip of Cell Phone can generate the • EMI noise. • 2. LCD Driver IC has to be protected from ESD • and EMI noise. • 3. Multi function Protection is needed in both • side • 4. Compact array with R-arrays or EMI-ESD • filters are highly recommended for this • complex problems. • 5. Recommended Model • AVRC, AVFC, AVSC with R-Array • R value for Array are 50, 100 Ω ► Cp value depends on data transmission rate.

  29. Applications in Camera Module single Varistors Compact Array Number of Soldering :1 time Occupied Area: 0805 x 1 = 0805 Number of Soldering :7 times Occupied Area: 0402 x 7 = 2814

  30. Real Application 1. Selecting LCD module which has higher ESD protection level.  Before LCD module is selected, must request module designer to use a ESD suppressor for protection. Fig. 1 Reference model of speaker & receiver in LCD Module.

  31. Real Application Fig. 2 Reference model of junction & control line in LCD Module.

  32. Real Application in LCD

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