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PF1550

NXP
Part Number PF1550
Manufacturer NXP
Description Power management integrated circuit - PMIC
Published Aug 29, 2019
Detailed Description PF1550 Power management integrated circuit (PMIC) for low power application processors Rev. 5 — 10 June 2019 Product...
Datasheet PDF File PF1550 PDF File

PF1550
PF1550

Overview
PF1550 Power management integrated circuit (PMIC) for low power application processors Rev.
5 — 10 June 2019 Product data sheet 1 General 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 can provide power for a complete battery-powered system, including application processors, memory, and system peripherals.
1.
1 Features and benefits This section summarizes the PF1550 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 – Programmable output voltage, current limit, and soft start • LDO regulators – LDO1, 0.
75 V to 1.
5 V/1.
8 to 3.
3 V, 300 mA with load switch mode – LDO2, 1.
8 V to 3.
3 V, 400 mA – LDO3, 0.
75 V to 1.
5 V/1.
8 V to 3.
3 V, 300 mA with load switch mode – Quiescent current < 1.
5 μA in Low-power mode – Programmable output voltage – Soft start and ramp – Current limit protection • Battery charger – Supports single-cell Lithium Ion/Lithium Polymer batteries – Linear charging (10 mA to 1500 mA input limit) – Up to 6.
5 V input operating range – VSYS regulator can withstand transient and DC inputs from 0 V up to +22 V – Programmable charge voltage (3.
5 V to 4.
44 V) – Programmable charge current (100 mA to ...


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