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PF1550 Key Features

  • Input voltage range to PMIC VBUSIN pin via USB bus or AC adapter: 4.1 V to 6.0 V
  • Buck converters
  • SW1, 1.0 A; 0.6 V to 1.3875 V in 12.5 mV steps, or 1.1 V to 3.3 V in variable steps
  • SW2, 1.0 A; 0.6 V to 1.3875 V in 12.5 mV steps, or 1.1 V to 3.3 V in variable steps
  • SW3, 1.0 A; 1.8 V to 3.3 V in 100 mV steps
  • Soft start
  • Quiescent current 1.0 μA in ULP mode with light load
  • Peak efficiency > 90 %
  • Dynamic voltage scaling on SW1 and SW2
  • Modes: forced PWM quasi-fixed frequency mode, adaptive variable-frequency mode

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PF1510 Power management integrated circuit - PMIC

PF1550 Description

The PF1550 is a power management integrated circuit (PMIC) designed specifically for use with i.MX processors on low-power portable, smart wearable and Internet-of-Things (IoT) applications. It is also capable of providing full power solution to i.MX 7ULP, i.MX 6SL, 6UL, 6ULL, and 6SX processors. With three high-efficiency buck converter, three linear regulators, RTC supply, and battery linear charger, the PF1550...

PF1550 Applications

  • Input voltage range to PMIC VBUSIN pin via USB bus or AC adapter: 4.1 V to 6.0 V