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GMT G2257Q51U channels PMIC

The G2257 provide a complete power supply solution  for handsets or data card.

  • Brand:

    GMT
  • Product Details

General Description 

The G2257 provide a complete power supply solution for handsets or data card. It contains four dc/dc converters, and one LDO to power each critical blocks of the system, and is optimized for maximum battery life, featuring a low ground current when in standby mode operation. All channels DC/DC converters operate at 1.5MHz to optimize size, cost, and efficiency. All Synchronous converters are enabled by individual EN pin control and operate at pulse skipping 

mode at light load. The G2257 is available in QFN4X4-24 package.


Features 


  • 2.7V ~ 5.5V Input Voltage Operation. 

  • 95% Efficient DC/DC Converter 

  • Independent Enable Control 

  • Built-in 4-ch synchronous buck converter, and 

  • 1-ch LDO 

  • Bucks can be set to lower quiescent current at 

  • low load. 

  • 180o Phase Shifted architecture 

  • Fixed 1.5MHz switching frequency 

  • Built-In Short Circuit Protection (SCP), Under 

  • Voltage Protection (UVP), and cycle-by cycle 

  • current limit for DC/DC Converters. 


Applications 


  • Smart Phone 

  • TV Dongle

  • OTT


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