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MP4247 - Buck-Boost Converter

General Description

The MP4247 is a buck-boost converter with two integrated low-side power switches.

The device can deliver up to 100W of peak output power at certain input supplies with excellent efficiency.

The MP4247 is well-suited for USB power delivery (USB PD) applications.

Key Features

  • UL and IEC62368-1 Certified, Efile #322138.
  • 100W Buck-Boost Converter with Integrated Low-Side MOSFETs (LS-FETs).
  • Integrated Gate Driver for High-Side Power MOSFETs (HS-FETs).
  • 3.6V to 36V Start-Up Input Voltage (VIN) Range.
  • Supports 2.8V Falling VIN when the Output Voltage (VOUT) > 3.5V.
  • 1V to 24V (1) VOUT Range with 1% Accuracy.
  • Up to 5A Output Current (IOUT).
  • Up to 98% Peak Efficiency.
  • Configurable Reference Volt.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DESCRIPTION The MP4247 is a buck-boost converter with two integrated low-side power switches. The device can deliver up to 100W of peak output power at certain input supplies with excellent efficiency. The MP4247 is well-suited for USB power delivery (USB PD) applications. The device can work with an external USB PD controller via the I2C interface. The I2C interface and one-time programmable (OTP) memory provide flexible and configurable parameters. Fault condition protection includes constant current (CC) current limiting, output over-voltage protection (OVP), and thermal shutdown (TSD). The MP4247 requires a minimal number of readily available, standard external components, and is available in a QFN-20 (3mmx5mm) package.