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NXP — PCA9420/21 Power Management IC

NXP

NXP PCA9420/21 Power Management ICs

Ultra-compact, high-efficiency PMICs designed for wearables, hearables, and IoT devices

The PCA9420/21 Power Management ICs from NXP deliver exceptional battery life for low-power wearable, hearable, and IoT applications. With high light-load efficiency, ultra-low standby power, and two integrated high-efficiency buck regulators, these PMICs provide flexible programmability and a fast mode transition function for smooth operation across different MCU modes.

Their ultra-small footprint and support for multiple system rails make them ideal for compact, energy-sensitive designs powered by Li-ion batteries.

Features

  • Optimized for low-power applications
  • Typical 100 nA quiescent current in ship mode
  • Small total solution size for compact designs
  • Built-in “Mode” configuration enabling fast mode switching for different MCU operation modes
  • i.MX RT MCU supported
  • Load supply voltage: 2 V (Min) to 6.8 V (Max)
  • I²C interface and input control
  • Output current: 0.5 A

Applications

  • Wearable devices such as smartwatches and fitness trackers
  • Hearable devices including earbuds and hearing aids
  • Low-power IoT devices
  • Compact consumer electronics
  • Battery-powered sensor modules


NXP PCA9420/21 Power Management IC