NXP Semiconductors TEA173x / TEA175x GreenChip SMPS IC

NXP Semiconductors TEA173x和TEA175xGreenChip开关模式电源(SMPS)控制器IC 能够提供高效而可靠的电源。NXP TEA175x是GreenChip III第三代SMPS控制器IC，配有功率因数校正(PFC)控制器和反激式控制器。特殊的内置绿色功能在各种功率等级时均发挥高效率。TEA175x SMPS控制器IC设计用于满足高达250W的功率要求。NXP Semiconductors TEA173x GreenChip SMPS控制器IC设计用于反激式拓扑结构并以峰值电流和频率控制模式运行。TEA173x IC包括过功率保护(OPP)。这使得控制器能够在过功率情况下限制运行时间。TEA173x设计用于满足高达75W的功率要求。

Features

  • SMPS controller IC enabling low-cost applications
  • Large input voltage range (12V to 30V)
  • Integrated OverVoltage Protection on pin VCC
  • Very low supply current during start-up and restart (10μA typical)
  • Low start-up voltage (13.2V typical)
  • Low supply current during normal operation (0.55mA typical no load)
  • Overpower or high/low line compensation
  • Adjustable overpower time-out
  • Adjustable overpower restart timer
  • Fixed switching frequency with frequency jitter to reduce EMI
  • Frequency reduction at medium power operation to maintain high efficiency
  • Frequency reduction with fixed minimum peak current at low power operation to maintain high efficiency at low output power levels
  • Frequency increase at peak power operation
  • Slope compensation for CCM operation
  • Low and adjustable OverCurrent Protection (OCP) trip level
  • Adjustable soft start
  • Two protection inputs (e.g. for input UVP and OTP)
  • IC overtemperature protection

应用

  • Other Applications requiring efficient and cost-effective power supply solutions
  • Notebook Adapters

视频

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Block Diagram

Block Diagram - NXP Semiconductors TEA173x / TEA175x GreenChip SMPS IC