Flat panel display (FPD) shorting bar pattern generator

Products and reference designs

Flat panel display (FPD) shorting bar pattern generator

Block diagram

Overview

Our integrated circuits and reference designs help you create high-density, high-performance, multi-channel flat panel display (FPD) test equipment that minimizes channel-to-channel variations due to reference voltage loading, clocking and power.

Design requirements

New generation flat panel display (FPD) test equipment often requires:

  • Simultaneous high-precision, high-voltage, multi-channel measurement capabilities.
  • Minimum channel-to-channel variation during measurement.
  • High-current drive precision voltage generation for the shorting bar test.
  • Highly-integrated, efficient and low external machine interface (EMI) power architectures.

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Block diagram

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Flat panel display (FPD) test

LCM test LCM test LCD panel LCD panel Shorting bar test Shorting bar test Panel power supply Panel power supply LDO LDO Voltage supervisor Voltagesupervisor Voltage sequencer Voltagesequencer Power MUX Power MUX DC/DC DC/DC Hot Swap Controller Hot SwapController LCD/LED bias LCD/LEDbias Voltage pattern force Voltage pattern force PA PA Amp Amp MOSFET MOSFET DAC DAC Sense voltage/current Sense voltage/current Current sensing Currentsensing Amp Amp PGA PGA Precision ADC PrecisionADC MUX MUX Voltage reference Voltagereference Analog SW AnalogSW Master clocking Master clocking PLL synthesizer PLLsynthesizer Clock generator Clockgenerator Clock oscillator Clockoscillator Clock jitter cleaner Clock jitter cleaner Clock buffer Clock buffer Wired interface Wired interface RS-232 RS-232 Voltage translator Voltagetranslator USB USB RS-422 RS-485 RS-422RS-485 Digital isolator Digitalisolator I2C: GPIO, SWes Buffer, Hub, MUX I2C: GPIO, SWesBuffer, Hub, MUX Ethernet Ethernet SERDES SERDES System power supply System power supply PFC controller PFC controller Gate driver Gate driver HV MOSFET HV MOSFET Isolated DC/DC buck IsolatedDC/DC buck LV MOSFET LVMOSFET Shunt reference Shunt reference EMI Filter and Rectifier EMI Filter and Rectifier Digital processing/pattern generation Digital processing/pattern generation Microcontroller - or - Processor Microcontroller- or - Processor Logic Logic Flip-flop Flip-flop Memory Memory DDR power DDR power DDR SDRAM DDR SDRAM

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