nPM1100 Product Specification

This Product Specification contains functional descriptions, register tables, and electrical specifications, and is organized into chapters based on the modules that are available in this device.

Note: The HTML rendition of the Product Specification corresponds to the latest version only.
Features:
  • 400 mA linear battery charger
    • Linear charger for lithium-ion/lithium-polymer batteries
    • Adjustable charge current from 20 mA to 400 mA
    • Selectable termination voltage of 4.1 V or 4.2 V
    • Automatic trickle, constant current, and constant voltage charging
    • Battery thermal protection
    • Discharge current limitation
    • JEITA compliant
  • Li-ion/Li-polymer USB battery charger with a high efficiency buck regulator
  • 800 nA - Typical quiescent current
  • 460 nA - Shipping mode quiescent current
  • Thermal protection
  • Input regulator
    • USB compatible current limit of 100 mA and 500 mA
    • 4.1 V to 6.7 V input voltage range for normal operation
    • 20 V overvoltage protection
    • Reverse current protection
    • 3.0 V to 5.5 V system voltage output
    • USB port detection supporting the following types:
      • SDP
      • CDP/DCP
  • 1.8 V to 3.0 V, 150 mA step-down buck regulator
    • Step-down buck regulator with up to 92% efficiency
    • Automatic transition between hysteretic and pulse width modulation (PWM) modes
    • Forced PWM mode for clean power operation
    • Pin-selectable output voltage (1.8 V, 2.1 V, 2.7 V, 3.0 V)
    • Soft start-up
  • LED drivers for charger state indication
    • 5 mA low side LED driver for charging indication
    • 5 mA low side LED driver for error indication
  • 2.3 V to 4.35 V battery operating input range
  • 2.1x2.1 mm WLCSP package
    • Suitable for two layer PCB design
Applications:
  • Advanced wearables
    • Health/fitness sensor and monitor devices
  • Advanced computer peripherals and I/O devices
    • Mouse
    • Keyboard
    • Multi-touch trackpad
  • Interactive entertainment devices
    • Remote controls
    • Gaming controllers