NPM2100-CAAA-R7

Battery Management Overview

The NPM2100-CAAA-R7 is a primary-cell Power Management IC designed for non-rechargeable battery applications. It integrates an ultra-efficient boost regulator with an output current of 150 mA and voltage range of 1.8 V to 3.3 V, alongside an LDO/load switch delivering 50 mA at 0.8 V to 3.0 V. The device supports input voltages from 700 mV to 3.4 V, accommodating alkaline AA/AAA/LRxx cells (up to two in series), 3 V LiMnO₂ coin cells, silver oxide, and zinc-air batteries. Key electrical parameters include a quiescent current of 150 nA for the boost converter, ship mode consumption of 35 nA, and hibernate mode consumption of 175 nA.

Battery Management Feature Summary

• Algorithm-based fuel gauge for precise state-of-charge estimation
• Ultra-efficient boost regulator with auto pass-through mode extending battery life
• Integrated system management features including hardware watchdog and failed-boot recovery

Battery Management Applications

• Personal health monitoring devices
• Wireless industrial sensors
• Low-power IoT endpoints using primary cells

Battery Management Procurement Notes

Verify the suffix 'R7' indicates reel packaging when sourcing components. Confirm compatibility with the specific host processor architecture, as software support via Nordic Semiconductor's nRF Connect SDK is optimized for nRF52, nRF53, and nRF54 series SoCs. Ensure design adherence to the WLCSP or QFN package thermal requirements specified in the official datasheet.

Battery Management Selection Notes

Select this component for designs requiring extended operational life from single-use batteries. The integrated fuel gauge reduces the need for external monitoring circuits. Consider the compact WLCSP or QFN footprint for space-constrained enclosures. Validate that the required output voltage steps align with the 50 mV resolution provided by the internal regulators.

Battery Management Part Context

Part of the nPM PowerUp series, the NPM2100 addresses power management needs for primary-cell powered products. It bridges the gap between basic voltage regulators and complex PMICs by offering high efficiency and system management in a small form factor. The device is engineered to maximize battery utilization through advanced power modes and accurate state-of-charge tracking.

Battery Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.

Battery Management FAQ

What is the minimum operating voltage for the NPM2100?

The device operates with an input voltage range of 700 mV to 3.4 V.

Does the NPM2100 support rechargeable batteries?

No, it is specifically engineered for primary-cell (non-rechargeable) battery applications such as alkaline, LiMnO₂, silver oxide, and zinc-air cells.