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nPM1100 Power Management IC

Pin configurable and compact form-factor PMIC

The nPM1100 is a Power Management IC (PMIC) combining an integrated battery charger with a dual-mode configurable buck regulator. The nPM1100 simplifies power supply design while delivering high conversion efficiency and low quiescent current to maximize battery life in space-constrained wearable, medical, and IoT applications. It is 100 % pin configurable and does not require any software for configuration or control.

With a total solution footprint as low as 23 mm² including all passive components, the nPM1100 enables compact battery-powered designs that previously required multiple discrete components. PCB area is slightly larger for efficiency optimized designs.

nPM1100 Datasheet [ PDF | HTML ]

Battery management

Linear battery charger
- Supported battery types: Li-ion and Li-Po
- Charge current: 20–400 mA
- Selectable termination voltage
  - 4.1 V or 4.2 V on the standard V_TERM device
  - 4.25 V or 4.35 V on the high V_TERM device
- Battery input voltage: 2.3 - 4.35 V
- JEITA compliant
- Dynamic power-path
- NTC battery thermal protection
System regulator
- USB compatible with 100 mA and 500 mA current limit
- Input voltage: 4.1 – 6.7 V
- 20 V overvoltage protection
- Unregulated system rail
  - Output voltage: 3 – 5.5 V
  - Output current: up to 660mA

Voltage regulators

Buck regulator
- Output current: 150 mA
- Output voltage: 1.8 V, 2.1 V, 2.7 V, or 3.0 V (pin selectable)
- Automatic hysteretic and PWM mode switching, or forced PWM mode
- Power conversion efficiency up to 92%

System management

Ship mode: 460 nA

QFN244x4 mm

WLCSP2x2 mm

QFN244x4 mm
WLCSP2x2 mm

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Key features

Supported batteries: Li-ion and Li-Po
USB compatible charger
Overvoltage protection
One buck regulator
Ship mode
LED drivers for charge state indication
Pin configurable - no software required
Ultra-compact total solution footprint

Evaluation kits

nPM1100 EK

The nPM1100 Evaluation Kit (EK) is a tool for evaluating the nPM1100 PMIC and evaluate its features for your application. The kit features switches for all selectable settings, buttons to enter and exit ship mode and connectors for batteries, USB and headers for all pins on the PMIC.

Software & tools

Nordic’s PMIC software and tools are designed to simplify power management development across Nordic and non‑Nordic MCUs. With ready‑to‑use drivers for Zephyr and bare-metal environments, a production‑proven fuel‑gauge algorithm, and powerful evaluation tools like nPM PowerUP, developers can evaluate, configure, and integrate PMICs quickly — moving fast from first prototype to final product.

The Software & Tools landing page brings together all software, documentation, downloads, and development resources needed to support PMIC‑based designs.