• 제목/요약/키워드: driver electronics

검색결과 836건 처리시간 0.033초

Multi-level을 사용한 PDP 구동회로를 위한 Gate driver 의 Boot-strap chain 에 관한 연구 (A study on gate driver with Boot-strap chain to drive Multi-level PDP driver application)

  • 남원석;김준형;송석호;노정욱;홍성수;사공석진
    • 전력전자학회:학술대회논문집
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    • 전력전자학회 2005년도 전력전자학술대회 논문집
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    • pp.99-101
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    • 2005
  • A gate driver with Boot-strap chain is proposed to drive Multi-level PDP sustain switches. The proposed gate driver uses only one boot-strap capacitor and one diode per each MOSFETs switch without floating power supply. By adoption of this gate driver circuits, the size, weight and the cost of the drivel board can be reduced.

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Driver electronics for commercialization of emerging display technologies

  • Wai-Yan, Stephen
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2006년도 6th International Meeting on Information Display
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    • pp.298-302
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    • 2006
  • Driver electronics for emerging display technologies are presented for OLED's, microdisplays, electrophoretic displays & bi-stable LCD's. Key factors for commercialization of these technologies are derived from the experience of the LCD's, including driver IC designs, wafer and assembly processes & applications.

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운전자 맞춤형 첨단 운전자 보조 시스템 기술 동향 (Trends on Personalization in Advanced Driver Assistance Systems)

  • 김도현;장병태;신성웅
    • 전자통신동향분석
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    • 제33권4호
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    • pp.61-69
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    • 2018
  • Driver-specific technology in the automotive field has been commercialized for vehicle accessories, driver memory sheets, and side mirrors. In recent years, the demand for customized technology has expanded to include the user interface of an infotainment system (Infotainment System) and advanced driver support system (Advanced Driver Assistance System), and customized technologies for drivers have been studied. Therefore, this article describes the driver-tailored technology trends being studied in these fields, and examines the major research issues related to future driver-tailored technologies in the automotive field.

Cost-effective single board PDP sustaining driver with dual resonant method

  • Lim, Hyun-Muk;Eom, Cheol-Hwan;Lee, Jun-Young
    • 전력전자학회:학술대회논문집
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    • 전력전자학회 2008년도 하계학술대회 논문집
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    • pp.446-448
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    • 2008
  • A new plasma display panel sustaining driver using single side sustaining technique with the dual resonant method is proposed. Since this circuit enables to reduce switches in energy recovery circuit with keeping voltage stress like that of prior circuit, it can be low cost circuit comparing with a conventional driver. To integrate sustain function into one side with single power source in the driver, a charge pump method is adopted to make negative sustaining voltage and achieve dual resonant energy recovery on sustaining modes.

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Pre-Emphasis 기능을 갖는 10Gbps 드라이버의 설계 (10Gbps Driver Design with Pre-Emphasis Functionality)

  • 이우관;임우진;김수원
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2005년도 추계종합학술대회
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    • pp.691-694
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    • 2005
  • This paper proposed 10Gbps driver with pre-emphasis for high speed transmitter. the proposed driver increase bandwidth using Ft doubler method and design driver block and pre-emphasis block in together. Pre-emphasis functionality confirmed to control VDS of current source o driver, not to control slew rate of termination resistor. The proposed driver is designed in a 1.5V/0.13um 1-poly, 5-metal CMOS mixed-signal process.

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Design of Integrated a-Si:H Gate Driver Circuit with Low Noise for Mobile TFT-LCD

  • Lee, Yong-Hui;Park, Yong-Ju;Kwag, Jin-Oh;Kim, Hyung-Guel;Yi, Jun-Sin
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2007년도 7th International Meeting on Information Display 제7권1호
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    • pp.822-824
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    • 2007
  • This paper investigated a gate driver circuit with amorphous silicon for mobile TFT-LCD. In the conventional circuit, the fluctuation of the off-state voltage causes the fluctuation of gate line voltages in the panel and then image quality becomes worse. Newly designed gate driver circuit with dynamic switching inverter and carry out signal reduce the fluctuation of the off-state voltage because dynamic switching inverter is holding the off-state voltage and the delay of carry signal is reduced. The simulation results show that the proposed a-Si:H gate driver has low noise and high stability compared with the conventional one.

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Multi-level PDP 구동회로를 위한 Gate driver의 Boot-strap chain에 관한 연구 (A Study on Gate driver with Boot-strap chain to Drive Multi-level PDP Driver Application)

  • 남원석;홍성수;사공석진;노정욱
    • 전력전자학회논문지
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    • 제11권2호
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    • pp.120-126
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    • 2006
  • 본 논문에서는 Multi-level PDP 구동회로의 Sustain 스위치를 구동하기 위해 Boot-strap chain 방식의 Gate driver를 제안한다. 제안된 Gate driver는 한 개의 High-side N-MOSFETS를 구동하기 위해 별도의 Floating power supply 가 필요치 않고 한 쌍의 다이오드와 캐패시터만을 사용한다. 제안 Gate driver 회로를 적용함으로서, Multi-level PDP driver의 가격과 무게 및 부피를 줄일 수 있다.

A MOSFET's Driver Applied to High-frequency Switching with Wide Range of Duty Cycles

  • Zhang, Zhao;Xie, Shaojun
    • Journal of Power Electronics
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    • 제15권5호
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    • pp.1402-1408
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    • 2015
  • A MOSFET's gate driver based on magnetic coupling is investigated. The gate driver can meet the demands in applications for wide range of duty cycles and high frequency. Fully galvanic isolation can be realized, and no auxiliary supply is needed. The driver is insensitive to the leakage inductor of the isolated transformer. No gate resistor is needed to damp the oscillation, and thus the peak output current of the gate driver can be improved. Design of the driving transformer can also be made more flexible, which helps to improve the isolation voltage between the power stage and the control electronics, and aids to enhance the electromagnetic compatibility. The driver's operation principle is analyzed, and the design method for its key parameters is presented. The performance analysis is validated via experiment. The disadvantages of the traditional magnetic coupling and optical coupling have been conquered through the investigated circuit.

NMOSFET으로 구성된 AC PDP 스캔 구동 집적회로의 동작 (Operation of NMOSFET-only Scan Driver IC for AC PDP)

  • 김석일;정주영
    • 대한전자공학회논문지SD
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    • 제40권7호
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    • pp.474-480
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    • 2003
  • We designed and tested a new scan driver output stage. Compared to conventional CMOS structured scan driver IC′s, the new NMOSFET-only scan driver circuit can reduce the chip area and therefore, the chip cost considerably. We confirmed the circuit operation with open drain power NMOSFET IC′s by driving 2"PDP test panel. We defined critical device parameters and their optimization methods lot the best circuit performance.

Cost-effective Single Board PDP Sustaining Driver with Dual Resonant Method

  • Lee, Jun-Young
    • Journal of Power Electronics
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    • 제9권1호
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    • pp.93-99
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    • 2009
  • A new plasma display panel sustaining driver using single side sustaining technique with a dual resonant method is proposed in this paper. Since this circuit enables to keep device voltage stress same as the prior circuit, it can be a low cost circuit compared to a conventional driver. To integrate the sustaining function into one side with a single power source in the driver, a charge pump method is adopted to make negative sustaining voltage and to achieve dual resonant energy recovery on the sustaining modes.