GreenChip SMPS Primary Side Control IC with Fixed Frequency Operation




TEA1936X Block Diagram

TEA1936X Block Diagram


General features

  • SMPS controller IC supporting smart-charging applications and multiple-output-voltage applications
  • Wide output range (5 V to 20 V in CV mode, 3 V to 20 V in CC mode, and 3 V to 6 V in direct charging mode)
  • Fixed-frequency operation suited for mobile charger applications that require low CMN distortion and high spectral purity
  • Housed in a small SO10 package
  • Adaptive dual supply for highest efficiency over the entire output voltage range
  • Integrated high-voltage start-up
  • Continuous VCC regulation during start-up and protection via the HV pin, allowing a minimum VCC capacitor value
  • Reduced opto current enabling low no-load power (20 mW at 5 V output)
  • Fast transient response from 0 to full load
  • Minimal output voltage ripple in all operating modes
  • Integrated soft start

Green features

    Enables high-efficiency operation over a wide power range via:

  • Low supply current during normal operation (0.6 mA without load)
  • Low supply current during the non-switching state in burst mode (0.25 mA)
  • Demagnetization switching for minimum switching losses

Protection features

    All protections are safe-restart protections

  • Mains voltage compensated OverPower Protection (OPP)
  • OverTemperature Protection (OTP)
  • Integrated overpower time-out
  • Integrated restart timer for system fault conditions
  • Continuous mode protection using demagnetization detection
  • Accurate OverVoltage Protection (OVP)
  • General-purpose input for safe restart protection; for use with system OverTemperature Protection (OTP)
  • Driver maximum on-time protection
  • Brownin and brownout protection

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.

部品番号: TEA19362T.


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