TEA1999Tk USB BC1.2 Synchronous Rectifier Controller for Flyback

TEA1999DB1504

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The TEA1999TK add-on board is designed for incorporation into existing flyback power supplies, by replacing the secondary rectifier diode. The add-on board consists of the TEA1999TK SR controller IC and a low-ohmic MOSFET.

It can be used in all power supplies that require a high efficiency, like:
  • Chargers
  • Adapters
  • Flyback power supplies with very low and/or variable output voltage

Product Details

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Supported Devices

Power Management

Secondary Side Controllers

  • TEA1999TK: GreenChip Synchronous Rectifier Controller

Features

Efficiency features

  • Adaptive gate drive for maximum efficiency at any load
  • Typical supply current in no-load operation below 250 μA

Application features

  • Operates in an output voltage range between 26 V and 0 V
  • Drain sense pin capable of handling input voltages up to 120 V
  • Self-supplying for operation with low output voltage
  • Self-supplying for high-side rectification without the use of an auxiliary winding
  • Operates with standard and logic level SR MOSFETs
  • Supports USB BC, Quick Charge, and smart charging applications
  • HVSON8 package

Control features

  • Adaptive gate drive for fast turn-off at the end of conduction
  • UnderVoltage LockOut (UVLO) with active gate pull-down
  • Blanking input for low and high switching frequency
  • Enable input for CCM operation and for disabling at start-up or shorted output

Buy Options

  • TEA1999DB1504

  • TEA1999Tk USB BC1.2 Synchronous Rectifier Controller for Flyback.

    • TEA1999DB1504 Demo board
    • Quick start guide
    • Availability: In stock
    • Inventory: 30
    • Shipping: Normally ships 1-2 business days
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Design Resources

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