PFC Controller

TEA19162T

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The TEA19162T and TEA19161T are a combined controller (combo) ICs for resonant topologies including PFC. They provide high efficiency at all power levels. Together with the TEA1995T dual LLC resonant SR controller, a cost-effective resonant power supply can be built. This power supply meets the efficiency regulations of Energy Star, the Department of Energy (DoE), the Eco-design Directive of the European Union, the European Code of Conduct, and other guidelines.

The TEA19162T is a power factor correction (PFC) controller. The IC communicates with theTEA19161T on start-up sequence and protections. It also enables a fast latch reset mechanism. To maximize the overall system efficiency, the TEA19161T allows setting the TEA19162T PFC to burst mode at a low output power level.

The TEA19162HT/2 is recommended for applications that require high-power factor performance, like energy star 80+ gold, platinum or titanium.

Product Details

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Block Diagram

TEA19162 Block diagram

TEA19162 Block diagram
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Features

Distinctive Features

  • Complete functionality as TEA19161T/TEA19162T combo
  • Integrated X-capacitor discharge without additional external components
  • Universal mains supply operation (70 V (AC) to 276 V (AC))
  • Integrated soft start and soft stop
  • Accurate boost voltage regulation

Green Features

  • Valley/zero voltage switching for minimum switching losses
  • Frequency limitation to reduce switching losses
  • Reduced supply current (200 μA) when in burst mode

Protection Features

  • Safe restart mode for system fault conditions
  • Continuous mode protection with demagnetization detection
  • Accurate OverVoltage Protection (OVP)
  • Open-Loop Protection (OLP)
  • Short-Circuit Protection (SCP)
  • Internal and external IC OverTemperature Protection (OTP)
  • Low and adjustable OverCurrent Protection (OCP) trip level
  • Adjustable brownin/brownout protection
  • Supply Undervoltage Protection (UVP)

Key Parametrics

Maximum PFC switching frequency Fsw(PFC)max, typ
TEA19162T 134 kHz
TEA19162HT/2 365 kHz

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