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NOVATEK Microelectronics Corporation

Win with. NOVATEK Microelectronics Corporation. Power Management IC Design for Display Systems. 聯詠科技 類比 IC 設計經理 顏志仁 博士. http://www.novatek.com.tw. In NO VA tion  Quality  Service. Outline. Introduction Linear Regulator Charge Pump

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NOVATEK Microelectronics Corporation

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  1. Win with NOVATEK Microelectronics Corporation Power Management IC Design for Display Systems 聯詠科技 類比IC設計經理 顏志仁 博士 http://www.novatek.com.tw InNOVAtion  Quality  Service

  2. Outline • Introduction • Linear Regulator • Charge Pump • DC-DC Converter • Conclusion

  3. Main References • Dr. Philip Mok, “Design of Power Management IC – Voltage Reference, Low-Dropout Regulator and Switching Regulator”, 2005 混合訊號式積體電路設計專題研討會, June 16 –17, 2005. • 陳科宏 教授, “Power Management IC Design”, 聯詠科技教育訓練教材, Jan. 23 – Mar. 20, 2007. • N. Mohan, T. M. Undeland and W. P. Robbins, “Power Electronics: Converters, Applications and Design”, John Wiley & Sons, Inc., 2003.

  4. Outline • Introduction • Linear Regulator • Charge Pump • DC-DC Converter • Conclusion

  5. Introduction Power Blocks in LCD TV System Power-Management IC Design for Display Systems C.–J. Yen 1

  6. Introduction Power Management for LCD TV System LCD Module LCD Control Board ASIC (T-CON, RSDS/TTL transmitter) Data driver RSDS/ TTL Gamma correction g PCB with data bus OSD Display area cable Analog Signals ADC/PLL VGA& Scaler TTL/ LVDS/ TMDS DVI/Video Decoder Digital Signals MCU Power Management Inverter Back light unit Scan driver Power-Management IC Design for Display Systems C.–J. Yen 2

  7. Introduction Power Supplies for TV Display Panel Power-Management IC Design for Display Systems C.–J. Yen 3

  8. Introduction Panel 3.3V Optical Cont. Current 20mA 1.8/2.5V 1.8V Current voer 200mA 15/-7.5v 5V Interface Audio 1.8/2.5/3.3V 1.8V 5/3.3V Li-ion Charger Power Blocks in DSC System Power-Management IC Design for Display Systems C.–J. Yen 4

  9. Introduction LCD Module • LCD Control Board Gamma Correction Timing Controller Data Driver TTL/ Analog RGB PLL g PCB with data bus Composite/YUV Signals LCD Panel MCU Analog/Digital Video Decoder Backlight Module Power Management Inverter Scan Driver Power Management for DSC System Power-Management IC Design for Display Systems C.–J. Yen 5

  10. Introduction Block Diagram of Power Supplies in DSC Display Panel Power-Management IC Design for Display Systems C.–J. Yen 6

  11. Outline • Introduction • Linear Regulator • Charge Pump • DC-DC Converter • Conclusion

  12. Linear Regulator IC Design Considerations of Voltage Regulators Power-Management IC Design for Display Systems C.–J. Yen 7

  13. Linear Regulator Concept of Linear Regulator Power-Management IC Design for Display Systems C.–J. Yen 8

  14. Linear Regulator Working Principle and Power Efficiency Power-Management IC Design for Display Systems C.–J. Yen 9

  15. Linear Regulator Load Transient Response Power-Management IC Design for Display Systems C.–J. Yen 10

  16. Linear Regulator Load Transient Response (cont’d) Power-Management IC Design for Display Systems C.–J. Yen 11

  17. Linear Regulator Power-Supply Rejection Ratio Power-Management IC Design for Display Systems C.–J. Yen 12

  18. Linear Regulator Stability and Compensation Power-Management IC Design for Display Systems C.–J. Yen 13

  19. Linear Regulator Circuit Implementation Power-Management IC Design for Display Systems C.–J. Yen 14

  20. Linear Regulator A Four-Stage Single-Ended Amplifier Power-Management IC Design for Display Systems C.–J. Yen 15

  21. Linear Regulator AC Compensation Power-Management IC Design for Display Systems C.–J. Yen 16

  22. Linear Regulator AC Compensation (cont’d) Power-Management IC Design for Display Systems C.–J. Yen 17

  23. Linear Regulator Dynamic Bias Power-Management IC Design for Display Systems C.–J. Yen 18

  24. Linear Regulator Second Stage Power-Management IC Design for Display Systems C.–J. Yen 19

  25. Linear Regulator Third Stage Power-Management IC Design for Display Systems C.–J. Yen 20

  26. Linear Regulator Fourth Stage Power-Management IC Design for Display Systems C.–J. Yen 21

  27. Linear Regulator Measured Performance Power-Management IC Design for Display Systems C.–J. Yen 22

  28. Linear Regulator Current-Mode Low Dropout Regulator Power-Management IC Design for Display Systems C.–J. Yen 23

  29. Linear Regulator Dropout Tracking Circuit Power-Management IC Design for Display Systems C.–J. Yen 24

  30. Linear Regulator Dropout Tracking Circuit (cont’d) Power-Management IC Design for Display Systems C.–J. Yen 25

  31. Linear Regulator AC Analysis Power-Management IC Design for Display Systems C.–J. Yen 26

  32. Linear Regulator AC Analysis (cont’d) Power-Management IC Design for Display Systems C.–J. Yen 27

  33. Linear Regulator Measured Dropout vs. ILOAD Power-Management IC Design for Display Systems C.–J. Yen 28

  34. Linear Regulator Output Voltage Ripple Power-Management IC Design for Display Systems C.–J. Yen 29

  35. Linear Regulator Efficiency Power-Management IC Design for Display Systems C.–J. Yen 30

  36. Linear Regulator Load Transient Power-Management IC Design for Display Systems C.–J. Yen 31

  37. Outline • Introduction • Linear Regulator • Charge Pump • DC-DC Converter • Conclusion

  38. Charge Pump Operating Principle of Voltage Doubler Power-Management IC Design for Display Systems C.–J. Yen 32

  39. Charge Pump Operating Principle of Negative Charge Pump (X-1) Power-Management IC Design for Display Systems C.–J. Yen 33

  40. Charge Pump Charge Pump for Generating Arbitrary Voltages Power-Management IC Design for Display Systems C.–J. Yen 34

  41. Charge Pump Charge Pump for Generating Arbitrary Voltages (cont’d) Power-Management IC Design for Display Systems C.–J. Yen 35

  42. Charge Pump Charge Pump for Generating Arbitrary Voltages (cont’d) Power-Management IC Design for Display Systems C.–J. Yen 36

  43. Charge Pump Multi-Output Charge Pump Power-Management IC Design for Display Systems C.–J. Yen 37

  44. Charge Pump Multi-Output Charge Pump (cont’d) Power-Management IC Design for Display Systems C.–J. Yen 38

  45. Charge Pump PN-Junction Forward Bias in Charge Pump Power-Management IC Design for Display Systems C.–J. Yen 39

  46. Charge Pump Switched-Body Technique Power-Management IC Design for Display Systems C.–J. Yen 40

  47. Charge Pump Switching Frequency vs. Output Voltage Ripple Power-Management IC Design for Display Systems C.–J. Yen 41

  48. Charge Pump Switching-Frequency Selector for Charge Pump Power-Management IC Design for Display Systems C.–J. Yen 42

  49. Charge Pump Load Detector Power-Management IC Design for Display Systems C.–J. Yen 43

  50. Charge Pump Load Current Detecting Power-Management IC Design for Display Systems C.–J. Yen 44

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