PF1550 Datasheet PDF Download, NXP





(PDF) PF1550 Datasheet Download

Part Number PF1550
Description Power management integrated circuit
Manufacture NXP
Total Page 30 Pages
PDF Download Download PF1550 Datasheet PDF

Features: PF1550 Power management integrated circ uit (PMIC) for low power application p rocessors Rev. 5 — 10 June 2019 Pro duct data sheet 1 General description The PF1550 is a power management integr ated circuit (PMIC) designed specifical ly for use with i.MX processors on low- power portable, smart wearable and Inte rnet-of-Things (IoT) applications. It i s also capable of providing full power solution to i.MX 7ULP, i.MX 6SL, 6UL, 6 ULL, and 6SX processors. With three hig h-efficiency buck converter, three line ar regulators, RTC supply, and battery linear charger, the PF1550 can provide power for a complete battery-powered sy stem, including application processors, memory, and system peripherals. 1.1 Fe atures and benefits This section summar izes the PF1550 features: • Input vol tage range to PMIC VBUSIN pin via USB b us or AC adapter: 4.1 V to 6.0 V • Bu ck 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 ste.

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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 1000 mA)
Programmable charge termination current (5.0 mA to 50 mA)

                    
                    






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