Digital LLC+PFC Combo Controller for Resonant Power Supply

TEA2016 Active

The TEA2016AAT is a digital, configurable LLC and PFC combo controller for high-efficiency resonant power supplies. Our product includes both the LLC controller functionality and PFC controller, which operates in DCM and QR mode.

The TEA2016AAT comes in a low profile and narrow body-width SO16 package. Our sleek design enables consumers to build a complete resonant power supply with few components, simplifying the design process.

Combining the TEA2016AAT with our TEA1995T gives consumers an easy-to-design, highly efficient, and reliable power supply that provides 90 W to 500 W with minimal external components. The system provides low, no-load input power (< 75 mW; total system including the TEA2016AAT/TEA1995T combination) and high efficiency from minimum to maximum load.

This power supply meets the efficiency regulations of Energy Star, the Department of Energy, the Eco-design directive of the European Union, the European Code of Conduct, and other energy regulations. Because the TEA2016AAT is so efficient, there is no need for any auxiliary low-power supply.

Block Diagram

TEA2016AAT Block diagram

TEA2016AAT Block diagram

Features

Key Features

  • Complete functionality of LLC and PFC controller in single small-size SO16 package
  • Integrated high-voltage start-up
  • Integrated drivers and high-voltage level shifter (LS)
  • High-side driver directly supplied from the low-side driver output
  • Accurate boost voltage regulation
  • Integrated X-capacitor discharge without additional external components
  • Power good function
  • Several parameters can easily be configured, like:
    • Operating frequencies to be outside the audible area at all operating modes
    • Soft start and soft stop in burst mode, reducing the audible noise
    • Accurate transition levels between operation modes (high-power mode/low-power mode/burst mode)

Green Features

  • Valley/zero voltage switching for minimum switching losses
  • High efficiency from low load to high load
  • Compliant with the latest energy-saving standards and directives (Energy Star, EuP)
  • Excellent no-load input power (< 75 mW for TEA2016AAT/TEA1995T combination)

Protection Features

  • Independently configurable levels and timers
  • All protections can independently be set to latch, safe restart, or latch after several attempts to restart
  • Supply undervoltage protection (UVP)
  • Overpower protection (OPP)
  • Internal and external overtemperature protection (OTP)
  • Capacitive mode regulation (CMR)
  • Accurate overvoltage protection (OVP)
  • Overcurrent protection (OCP)
  • Inrush current protection (ICP)
  • Brownin/brownout protection
  • Disable input

NXP GreenChip

  • This product is part of the NXP GreenChip portfolio, this program optimizes for energy efficiency in mobile and computing applications, specializing in high-power density, safety and reliability.

Improvements of TEA2016AAT/2 vs. TEA2016AAT/1

Product Process Used for the High Voltage Die Features Supporting Information
TEA2016AAT/1 EZHV (Silicon On Insulator) Reference Behavior Comparison
TEA2016AAT/2 ABCD3HV+ (Silicon On Insulator)
  • Better noise immunity for high dv/dt
  • The /2 operation is much more robust to high half bridge dv/dt events

Buy/Parametrics

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