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The RTQ6749 is a programmable power management IC with an I2C interface, designed for automotive TFT-LCD panel applications. It integrates two synchronous boost converters for PAVDD and VGH, a synchronous NAVDD buck-boost converter, a VGL charge pump, a high-performance VCOM with 8-bit calibration, and a RESET voltage detector. The device is available in a compact WQFN-32L 5x5 package.The RTQ6749 operates from a 2.5V to 5.5V input voltage range. Its high switching frequency minimizes interference with the AM radio band. Comprehensive protection features include overcurrent protection for all internal-switch converters and output-fault shutdown, which protects all converters against output-fault and asserts a FAULT signal for communication with automotive systems. Programmable soft-start functions for all output voltages help limit input inrush current during startup. The recommended junction temperature is -40°C to 150°C, and the recommended ambient temperature is -40°C to 105°C.
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  • AEC-Q100 Grade 2 Qualified
  • 2.5V to 5.5V Input Supply Voltage
  • I2C Interface
  • Power-On and Power-Off Sequence Free
  • PAVDD Programmable Output Voltage 5V to 7.3V
  • PAVDD Output Current Capability up to 200mA
  • NAVDD Programmable Output Voltage -5V to -7.3V
  • NAVDD Output Current Capability up to 200mA
  • VGH Programmable Output Voltage 7V to 30V
  • VGH Output Current Capability Up to 60mA
  • VGH Output Voltage Temperature Compensation
  • VGL Programmable Output Voltage -6V to -18V
  • VGL Output Current Capability Up to 60mA
  • VCOM 8-bit Programmable Output Voltage
  • Outputs Power-Off Discharge Function
  • Programmable Voltage Detector
  • Built in UVLO, UVP, OVP, SCP and OTP Protection
  • Ambient Temperature Range: -40°C to 105°C
  • Junction Temperature Range: -40°C to 150°C
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Infotainment LCD Panels
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