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Parameter setting of multi-channel power supply XRP7714 and selection of peripheral devices

  • 2013-09-22
  • 318.72KB
  • Points it Requires : 1

The XRP7714 is a quad-output pulse width modulation (PWM) step-down DC-DC controller with built-in LDO for standby power. The device provides a complete power management solution for battery-powered products on a single IC, and is programmed and configured as a whole through the included I2C serial interface. The programming range of each output voltage of the XRP7714 device is 0.9V to 5.1V, and no external voltage divider is required within this range. The programmable DPWM switching frequency ranges from 300kHz to 1.5MHz, allowing users to achieve the best solution between efficiency and component size. In order to enable users to achieve the best solution in the designed multi-power XRP7714 system, the following will detail the parameter settings that affect the efficiency of the XRP7714 system and the selection of peripheral devices.

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