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Evaluation Kit for the nPM1100 PMIC (Power Management IC)

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 Product Description

Evaluation Kit for the nPM1100 PMIC (Power Management IC)

The nPM1100 Evaluation Kit (EK) is a tool for evaluating the nPM1100 PMIC and its features in your application, without the need to create custom test hardware.

The kit features DIP-switches for all selectable settings, with buttons to enter and exit ship mode. The on-board battery connectors allow for easy connection to a battery and the included USB connector enables the use of USB for power input and charging a connected battery. Headers for all pins of the nPM1100 PMIC are also available on the kit, with all functions available. The board layout and BOM is optimized for performance.

The nPM1100 EK requires no software to operate and is compatible with all components that operate within the output voltages and power the PMIC can deliver, while charging lithium ion and lithium polymer batteries. The EK operates from either USB or other DC power, or from a connected battery.

The nPM1100 EK could be used to power any nRF52® or nRF53® Series Development Kit, allowing for the use of a rechargeable battery to power the DK without the need to disconnect it for charging. By using the Power Profiler Kit 2 (PPK2) the power drawn by the system could easily be assessed through an intuitive user interface in the nRF Connect for Desktop Power Profiler app. This allows for complete control over the entire systems power consumption.
The nPM1100s highly efficient step-down buck regulator can deliver up to 150 mA of current at a selectable output voltage of 1.8, 2.1, 2.7 or 3.0 V. It features soft startup and automatic transition between hysteretic and PWM modes. It also allows for forced PWM mode to ensure clean power operation, enabled by the on-board switch or pin control.

The integrated battery charger is designed to charge lithium ion and lithium polymer batteries to a termination voltage selectable to 4.1 or 4.2 V supporting cell chemistries with a nominal voltage of 3.6 and 3.7 V, respectively. It includes battery thermal protection and automatic selection of three charging modes: automatic trickle, constant current and constant voltage. The maximum charge current is selectable from 20 mA up to 400 mA by selecting one of the built-in charge current resistors via switches. The charger also features a discharge current limitation and is JEITA compliant.

The nPM1100 PMIC features a USB compatible system regulator that features USB port detection for SDP, CDP and DCP USB host-type ports supporting USB current limits of 100 mA and 500 mA, and a USB supply voltage ranging from 4.1 to 6.6 V. The system regulator features a 20 V overvoltage protection that allows for transient voltage peaks of up to 20 V. The regulator allows a system voltage output ranging from 3.0 to 5.5 V. The quiescent current of the PMIC is only 470 nA in ship mode, which disables power output and removes the need for external power switch.



  • nPM1100 PMIC
    • 400 mA battery charger
    • Highly efficient 150 mA buck regulator
    • USB compatible input regulator
  • All PMICs features enabled and available
  • Board layout optimized for best performance
  • USB and battery connectors
  • Switches for all selectable voltages, current limits, and modes
  • Headers for all pins on the nPM1100 PMIC
  • Charge and error indicator LEDs
  • Buttons to enter and exit ship mode
  • Requires no software to operate



  • Wearables
  • Computer peripherals
  • Personal medical devices
  • Remote controls and gaming controllers



icon-pdf2.gif nPM1100EK Website

icon-pdf2.gif nPM1100EK Product Brief

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