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- Kim, Jingook
- Integrated Circuit and Electromagnetic Compatibility Lab.
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A Cost-Effective Structure for Secondary Discharge Control to Improve System-Level ESD Immunity of a Mobile Product
- Author(s)
- Park, Junsik, Lee, Jongsung, Jo, Cheolgu, Seol, Byongsu, Kim, Jingook
- Issued Date
- 2020-02
- Citation
- IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY, v.62, no.2, pp.285 - 290
- Abstract
- A structure embedded in a printed circuit board is proposed to control secondary discharge currents and improve the system-level electrostatic discharge (ESD) immunity for a mobile product with a metal frame. Noise voltages and discharge currents were measured and analyzed according to several secondary discharge paths, such as an air arc, a voltage suppressor device, and with the interlaced suppression device. ESD events that caused soft failures of a real commercial mobile product were tested while a high-definition video was playing. System-level ESD-induced noise and soft failures were cost effectively reduced by the interlaced suppression device.
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- ISSN
- 0018-9375
- Keyword (Author)
- Arc discharge, Voltage measurement, Electrostatic discharges, Discharges (electric), Metals, Current measurement, Resistors, Noise measurement, cost effective, electrostatic discharge (ESD), electromagnetic compatibility, immunity, interlaced pattern, secondary discharge, soft failure, system-level noise, voltage suppressor
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