PMIC with 1A Li+ Linear Battery Charger for Low Power Processor Systems

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Block Diagram

PF1550: PMIC with 1A Li+ Linear Battery Charger

PF1550 Block Diagram


General Features

  • Input voltage VIN from 5 V bus, USB or AC adapter (4.1 V to 6.0 V) withstands up to 22 V transient
  • Linear 1A Li+ Battery Charger
  • Buck converters:
    • SW1, 1.0 A; 0.6 V to 1.3875 V
    • SW2, 1.0 A; 0.6 V to 1.3875 V
    • SW3, 1.0 A; 1.8 V to 3.3 V
  • LDO regulators:
    • LDO1, 0.75 to 1.5 V / 1.8 to 3.3 V, 300 mA with load switch mode
    • LDO2, 1.8 to 3.3 V, 400 mA
    • LDO3, 0.75 to 1.5 V / 1.8 to 3.3 V, 300 mA with load switch mode
  • LDO/switch supply
  • RTC supply VSNVS 3.0 V, 2.0 mA
  • Coin Cell Charger
  • DDR memory reference voltage, VREFDDR, 0.5 to 0.9 V, 10 mA
  • I2C interface and input control
  • User programmable Standby, Sleep/Low-power, and Off (REGS_DISABLE) modes
  • Ambient temperature range −40 °C to 105 °C
  • Output current 1 A
  • i.MX6UL, i.MX6ULL, i.MX6ULL w/DDR3, i.MX6ULL w/DDR3L, i.MX6ULL w/LPDDR2, i.MX6UL w/DDR3, i.MX6UL w/DDR3L, i.MX6UL w/LPDDR2, i.MX7ULP, i.MX7ULP w/LPDDR3 and i.MX RT1050 MCU supported

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The PF1550 is included in the 10-year program

Part numbers include: MC32PF1550A0EP, MC32PF1550A1EP, MC32PF1550A2EP, MC32PF1550A3EP, MC32PF1550A4EP, MC32PF1550A5EP, MC32PF1550A6EP, MC32PF1550A7EP, MC32PF1550A8EP, MC32PF1550A9EP, MC34PF1550A0EP, MC34PF1550A1EP, MC34PF1550A2EP, MC34PF1550A3EP, MC34PF1550A4EP, MC34PF1550A5EP, MC34PF1550A6EP, MC34PF1550A7EP, MC34PF1550A8EP, MC34PF1550A9EP.


Quick reference to our documentation types.

5 documents


3 hardware offerings


2 software files

Note: For better experience, software downloads are recommended on desktop.

Engineering Services

2 engineering services

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